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The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. API supports its more than 600 members through public policy advocacy, research, certification programs, and education.

 
Service and Supply Companies
A.R. Watson, Incorporated was founded to trade as a mechanical engineering construction business, supplying services to the petroleum, petrochemical and gas industries. The company handles large projects and develops innovative, cost effective solutions to engineering problems.


 
Service and Supply Companies

ABB is a multinational corporation specializing in automation and power technologies. The corporation is based in Zurich, Switzerland, and operates in around 100 countries. ABB’s North American operations are headquartered in Cary, North Carolina, and employ about 30,000 people in multiple manufacturing, service and other major facilities.

 
Service and Supply Companies
Above Security is a global IT Security Service Provider that builds and delivers customized security services for monitoring and protecting infrastructures most critical IT assets.


 
Service and Supply Companies
Above Security is a global IT Security Service Provider that builds and delivers customized security services for monitoring and protecting infrastructures most critical IT assets.


 
Service and Supply Companies

One of the world's largest ship classification societies, American Bureau of Shipping (ABS) offers inspection and analysis services to verify that vessels are mechanically and structurally fit.


 
Service and Supply Companies

The American Bureau of Shipping is responsible for verifying that marine vessels and offshore structures comply with the rules that the classification society has established for design, construction, and periodic survey. Additionally, ABS is dedicated to developing new technologies intended to improve the safety standards for the marine and offshore industries.

 
Service and Supply Companies
Absolute NDE offers innovative inspection solutions, specializing in welds inspection of pipelines, pipping and structures for the Oil and Gas upstream and midstream markets.


 
Manufacturing Companies, Service and Supply Companies

Accurate Measurement Controls provides the oil and gas industry with measurement equipment. All projects are designed, fabricated, and assembled in Accurate Measurement Control's Broussard, Louisiana facility.

 
Manufacturing Companies, Service and Supply Companies
ACI provides engineered compressor products and services to a worldwide market. ACI specializes in custom compressor cylinders and unloaders and interactive performance software.


 
Service and Supply Companies

Acuren provides non-destructive testing and inspection services to industrial firms including petroleum refinery, pipeline, power generation, pulp & paper, pharmaceutical, aerospace and automotive.

Acuren services over 80 locations in North America and offers extended services throughout the world, both directly, and through a series of global partnerships.

 
Service and Supply Companies
Advance Tank is a fully integrated industrial construction company that specializes in the design, fabrication and erection of above ground storage, welded steel tanks & other plate structures.


 
Manufacturing Companies

Advance Valves has been manufacturing industrial valves for over 25 years. Regularly supplying their products to the oil and gas industry, refineries and petrochemical, water, steel, and HVAC sectors, Advance Valves are used widely in both the national and the international marketplace.

 
Advanced Corrosion Technologies & Training (ACTT) exists to detect corrosion before it becomes an issue. ACTT has developed NDT inspection programs, document management systems, and has considerable expertise in process safety management critical information evaluation, as well as inspection program implementation. Its expertise also includes the ability to analyze refinery and chemical plant processes in regards to equipment reliability, environmental hazards and corrosion detection.


 
Service and Supply Companies

AECOM (Architecture, Engineering, Consulting, Operations, and Maintenance) is a global provider of professional technical and management support services to a broad range of markets, including transportation, facilities, environmental, energy, water and government.

 
Manufacturing Companies
Agar Corporation is a leading pioneer of non-nuclear, versatile, multi-phase flow meters used to optimize oil well testing and production. Agar provides innovative solutions for applications such as: heavy oil well testing, waste water treatment, automatic tank dewatering, desalters and gas liquid foam control.


 
Manufacturing Companies

Alcoa Oil and Gas is a division of Alcoa, a company specializing in lightweight metals engineering and manufacturing. Alcoa Oil and Gas designs and manufactures strong, lightweight aluminum alloy drilling pipe, and offers customized solutions specific to the oil and gas industry.

 
Service and Supply Companies

All Tech Inspection (ATI) is a full-service inspection company, prepared to satisfy inspection needs for process safety management, maintenance outages, refractory inspection and testing, and specialty non-destructive testing services.

 
Service and Supply Companies

Allerion Oilfield Services provides companies in the oil and petrochemical industries with solutions to storage tank maintenance challenges. Based in Canada, Allerion Inc is one of the foremost Aboveground Storage Tank (AST) experts.

 
Alloy Bellows & Precision Welding designs and manufactures specialty bellows
and bellows assemblies for the aerospace, heavy equipment, medical, nuclear, petrochemical, power generation (gas turbine) and semiconductor sectors.


 
Service and Supply Companies

All-Pro Fasteners (APF) is a full-line, full-service distributor of fasteners for industry. All-Pro Fasteners and All-Pro Threaded, APF's child company, manufacture and distribute a wide variety of specialty fasteners that are used throughout the steel fabrication, pipe, OEM, industrial construction and utility industries.

 
Service and Supply Companies

Alstom Grid Incorporated develops new technologies to meet the rising demand for energy and alleviate urban congestion.  Alstom provides support in the form of products and services to the US energy and rail transportation systems. 

 
Service and Supply Companies

Alyeska Pipeline strives to provide safe, environmentally responsible, reliable and cost-effective oil transportation from the North Slope of Alaska.

 
Service and Supply Companies

Amerapex Corporation offers technical expertise and global leverage in Engineering, Procurement, and Construction Management Services (EPCM), Seismic Services, and Non-Destructive Testing (NDT) involving corrosion detection.

Amerapex is based in Houston, Texas, but conducts operations globally with a focus on the United States, Iraq, Libya, Brazil, Mexico and Indonesia, among others.

 

The American Association of Drilling Engineers (AADE) is a non-profit volunteer organization made up of an affiliation of independent chapters licensed and governed by a national board. The AADE offers a forum for the exchange of information between members and guests specifically on drill related topics.

 

The American Association of Petroleum Engineers (AAPG) is headquartered in Tulsa, Oklahoma, and is one of the largest professional geological societies in the world. AAPG works to advance the science of geology, specifically as it relates to petroleum, natural gas, other subsurface fluids, and mineral resources, to promote the technology of exploring for, finding, and producing these materials, and to advance the professional well-being of its members.

 

The American Chemical Society is a congressionally chartered society that supports scientific inquiry into the field of chemistry, and represents professionals at all degree levels and in all fields of chemistry and science that involves chemistry.

 

The American Chemistry Council (ACC) is an industry trade association for American chemical companies. The ACC works to deliver business value through political engagement, communications and scientific research

 
Manufacturing Companies, Service and Supply Companies

American Crane and Equipment Corporation (ACEC) manufactures cranes, hoists and other material handling equipment, as well as components and parts for standard, custom and nuclear applications. Headquartered in Douglassville, PA, ACEC can provide services such as load testing, product support, outage support, retrofit and upgrades, OSHA and other inspections, spare parts and custom fabrications.

 

An American trade organization, the American Gas Association (AGA) represents natural gas supply companies, advocates the interests of its members and their customers, and provides information and services promoting efficient demand and supply growth and operational excellence, in the safe, reliable and efficient delivery of natural gas.

 
Service and Supply Companies

American Innovations (AI) is based in Austin, TX, with three more locations in the US. AI provides a number of professional services to oil and gas companies, including cathodic protection (CP), CP system design and installation, integrity management and remote monitoring for oil & gas pipelines, remote asset management, and regulatory compliance consulting.

 

American Inspection Services (AIS) provides experienced personnel and inspection services to the industrial and commercial markets. AIS offers a variety of quality control inspections, project management and coatings inspections, procedure qualification records, and non-destructive testing, among others.

 

The American Iron and Steel Institute's members represent over 75% of North American steel industry. AISI works to influence public policy, educate and shape public opinion in support of a strong, sustainable U.S. and North American steel industry. AISI is also known for taking part in the development and application of new steels and steelmaking technology.

 
Service and Supply Companies

American Marine Corporation (AMC) provides specialty marine contracting, commercial diving, and vessel support services to clients in both the public and private sectors

 
Service and Supply Companies
American Midstream is a growth-oriented master limited partnership engaged in gathering, treating, processing, fractionating, and transporting natural gas, oil, and condensate in order to link producers and suppliers to diverse natural gas, NGL, and oil markets.


 

American Petroleum Tankers (APT) is engaged in the marine transportation of crude oil, condensate and refined products in the United States domestic trade. APT’s vessels are operated by Crowley Maritime Corporation.

 
Service and Supply Companies
American Railcar Leasing LLC leases and sales railroad tank and covered hopper railcars. The company has over 40,000 tank and covered hopper cars that serve the petroleum, chemical, food, agriculture, fertilizer and plastic pellet markets.


 
American Shale Oil, LLC is one of four companies holding leases granted by the federal Bureau of Land Management to research, develop and demonstrate shale oil extraction processes on federal lands.


 

The American Society for Mechanical Engineers (ASME) is a not-for-profit membership organization. ASME supports college students and early-career engineers as well as corporate executives, academic and research leaders through the promotion of collaboration, knowledge sharing, career enrichment, and skills development across all engineering disciplines.

 

The American Welding Society (AWS) offers numerous educational seminars, conferences, certifications programs and services for the welding professional.

 

America's Natural Gas Alliance (ANGA) represents North America's independent natural gas exploration and production companies. ANGA works with industry, government and customer stakeholders to promote increased demand for our nation’s abundant natural gas resource for a cleaner and more secure energy future and to ensure its continued availability

 
Service and Supply Companies

Ameridrives Couplings is headquartered in Erie, PA with an additional manufacturing facility in San Marcos, Texas. Having been in business since 1928, Ameridrives offers couplings in a wide range of styles and sizes suited for many applications.

 
Service and Supply Companies

AmSpec Services LLC provides professional inspections and testing analyses on a multitude of products including biofuel, petroleum, petrochemical and agricultural commodities.

 
Manufacturing Companies, Service and Supply Companies

Amyris is working to develop a wide range of renewable specialty chemicals and fuels as an alternative to petroleum based products. The renewable specialty chemicals and fuels products they deliver support a wide range of consumer and industry segments, such as diesel and jet fuels, lubricants, polymers and plastic additives, flavors and fragrances, home and personal care, and cosmetics ingredients.

 

Andarko is a North American oil and natural gas exploration and production company. Headquartered in The Woodlands, TX, Andarko has offices in Colorado, The UK, Algeria, Brazil and China.

 
Service and Supply Companies

Antea Group is an international engineering and environmental consulting firm. Headquartered in Belgium, Antea Group's US office is located in St Paul, MN.

 
Service and Supply Companies

AOI International is an industry leading independent oil and gas rig inspection company that provides value-added third party inspection services to many of the largest exploration companies in the world. AOI specializes in overseeing, documenting, and reviewing rig commissioning, transport, upgrades, and mid-life refurbishments for land, barge, jackup, platform, deepwater, shelf, and inland water rigs. They also provide well control assessments, shear calculations, systems integrated testing, factory acceptance testing, regulatory compliance auditing, and full condition surveys.


 

Apache Corporation is an American Independent oil and gas exploration and production company. Apache is headquartered in Houston, TX with operations in Tulsa, Oklahoma, Midlands, Texas, the Gulf of Mexico Regions, and Anchorage, Alaska.

 

Apache Corporation is an American Independent oil and gas exploration and production company. Apache is headquartered in Houston, TX with operations in Tulsa, Oklahoma, Midlands, Texas, the Gulf of Mexico Regions, and Anchorage, Alaska.

 
Service and Supply Companies

Apave International is a risk assessment company, helping managers assess and manage technical risk. Services in the oil and gas industry include Non-destructive testing, various inspection services and an airline safety assessment.

 
Manufacturing Companies

Apollo Valves was initially known as Conbraco Industries, Incorporated, and manufactured brass valves and fittings. In recent years, however, the company re-branded itself and has expanded the line of a specialized ball valve, resulting in new materials, new sizes and new applications for the classic Apollo ball valve.

 
Service and Supply Companies

Applied Technical Services provides consulting engineering, testing, and inspection services.

 
Service and Supply Companies

Applus RTD is a global energy service provider, capable of providing non-destructive testing, inspection, and certification to the capital-intensive, high-risk energy, utility and infrastructure industries in every region of the world.

 
Service and Supply Companies

Applus Velosi provides asset integrity consultancy, vendor surveillance, third-party inspection, testing, certification, and recruitment services for the oil and gas, mining, and energy industries.

 
Manufacturing Companies, Service and Supply Companies

Arcelor Mittal is a global supplier of steel products, involved in all aspects of the industry including mining and research and development. Arcelor Mittal has a presence all over North America, and the US corporate office is located in Chicago, IL.

 
Service and Supply Companies
Arctic Energy Services provides equipment and services for the oil and gas industry, including controlled flow back of wells under pressure, measurement and separation of water, separation of oil/gas and solids from the stream before sales down line, equipment rentals and services, Hydro-Vac Excavation, and trucking.


 
Service and Supply Companies

Argus Consulting is a consulting firm specializing in programming/planning, engineering design, construction follow-up and management services for complex aviation, oil and gas, railroad and environmental projects.

 
Manufacturing Companies

Ariel Corporation designs and manufactures separable reciprocating gas compressors utilized by the global energy industry to extract, process, transport, store, and distribute natural gas from the wellhead to the end-user.

 
Manufacturing Companies
Array Holdings is a leading manufacturer and distributor of upstream production and midstream flow control equipment. Its product portfolio includes API 6A wellhead, valves and actuation, chokes, pig valves, and threaded check and ball valves.


 
Service and Supply Companies

Arseal Technologies is a minority-owned small business based in Alpharetta, GA.  A full service engineering and design firm, Arseal has experience in the transportation, power, manufacturing, and communications industries.

 
Service and Supply Companies

Ashford is a technology development company specializing in developing unique engineering and business solutions through innovative technology. Professional services include real-time data acquisition, equipment monitoring, systems integration, data analysis and software development.


 
Manufacturing Companies, Service and Supply Companies

Ashland Incorporated is a specialty chemical company headquartered in Covington, Kentucky. Ahsland distributes chemicals and plastics, and manufactures chemical specialty and performance products.

 

The Association of Energy Engineers (AEE), with over 16,000 members, has chapters throughout the US and holds regular meetings to discuss issues of regional importance.  AEE is a source for information and networking in the fields of energy engineering, management, renewables, power generation, energy and sustainability services, etc.

 

The Association of Energy Services Professionals provides professional development programs, a network of energy practitioners, and promotes the transfer of knowledge and experience.

 
Service and Supply Companies
AST Construction, Inc. is a "turnkey source, single responsibility contractor" organized as a full-service company while maintaining an emphasis on innovation, safety and professionalism. AST services provide professional engineering, design, inspections, foundations, dike walls, new construction, modifications, repairs, terminal dismantling, floating roofs and seals on all types of ASTs.


 
Service and Supply Companies

ATCO Emissions Management is a division of ATCO Structure & Logistics, and provides power generation, oil and gas, petrochemical and other industrial sites with noise and air emissions control systems, as well as waste heat recovery systems. ATCO operates all over both Canada and the United States.

 
Service and Supply Companies

Athens Group provides technology assurance services to customers designing, constructing and operating rigs and platforms. Athens offers engineering and testing, and validate compliance with the highest standards for performance, reliability and safety.

 
Service and Supply Companies
Athlon Solutions provides water, process treatment and finished fuel additives to the Refining, Petrochemical, Fertilizer and Power industries.


 
Service and Supply Companies

Atkins Group is a design, engineering, and project management consultancy. Atkins has a number of locations in the United States.

 
Audie Price Inspection is a third-party inspection company focusing on natural gas pipelines, compressor stations, and processing plants.


 
Audie Price Inspection is a third-party inspection company focusing on natural gas pipelines, compressor stations, and processing plants.


 
Service and Supply Companies

Avondale is an American shipbuilding and manufacturing company. Avondale Industries is located in Avondale, LA. 

 
Manufacturing Companies, Service and Supply Companies

AW Chesterton Company manufactures and distributes mechanical seals, packing, and gasketing, hydraulic and pneumatic sealing devices. AW Chesterton Company is based in Woburn, Massachusetts with service and sales locations in over 100 countries.

 
Drilling Companies, Manufacturing Companies, Service and Supply Companies

Axon Energy Products is a global oilfield services company based in Houston, TX and specializing in pressure products, well intervention products, drilling products, rig concepts and design, downhole products and tubular products.

 
Service and Supply Companies
WSI is a worldwide leader in developing and delivering design repairs, component upgrades and specialty maintenance services for all energy intensive industries. Process fatigue including process related corrosion and erosion damage to mechanical components and systems is a daily challenge to the reliability of facility operations. WSI is in the business of analyzing these reliability challenges, developing and customizing solutions to meet the values of the customer and then implementing repairs, upgrades or modifications to systems and components, anywhere in the world.


 

Baker Engineering and Risk Consultants specialize in risk assessments for the energy and chemical processing industry, and works to help predict, prevent, and mitigate hazards from explosions, fires, and toxic releases. Baker Risk provides engineering services, R&D, investigation, and field testing services to industries and government agencies handling volatile materials.

 
Drilling Companies, Service and Supply Companies

Baker Hughes is an oilfield services company, providing engineering and technology services, research and development to help oil and gas operators get more value from their reservoirs.

 
Service and Supply Companies

Baltic Control is a global inspection, verification, testing and certification company. Headquartered in Denmark, the Baltic Control operations center in North America is located in Miami, FL.

 
Bar Source International, LLC (BSI) markets carbon and alloy steel bars. The company offers thermally treated steel grades, carbon steel grades, and micro alloyed steel products. BSI serves the energy, automotive, and capital equipment goods sectors.


 
Service and Supply Companies

Base Line Data (BLD) is an inspection services corporation with locations in Portland and Pasadena, Texas as well as Baton Rouge, Louisiana.

 
Service and Supply Companies

Bassler Energy Services serves the oil and gas industry with specialized oilfield transportation and crane services throughout the continental U.S., field crew services for equipment corrosion control, and tank and vessel services. Bassler Energy Services has three locations in Texas.

 
Service and Supply Companies

Bayer Technology Services is headquartered in Germany with a US office in Baytown, TX. Bayer supports the oil and gas industry through technology development, project management and engineering, and operation support and safety.

 
Service and Supply Companies

Bechtel Corporation is an engineering, construction, and project management company based in San Francisco, CA.

 
Oil Companies, Service and Supply Companies

Belle Fourche Pipeline is a liquids pipeline operator that gathers and transports crude oil in the Williston Basin of western North Dakota and the Powder River Basin of Wyoming.

 
Manufacturing Companies, Service and Supply Companies
Belzona is a global designer and manufacturer of repair composite materials and industrial protective coatings.


 
Oil Companies, Service and Supply Companies

BHP Billiton is a global resource company, producing aluminium, coal, copper, iron ore, manganese, nickel, silver and uranium, and has substantial interests in oil and gas.

 
Service and Supply Companies
Bighorn Inspection primarily operates in the Petrochemical and Refining industries, utilizing and teaching advanced ultrasonic methods and technologies, including ShearWave, Phased Array methods and Time-of-Flight Diffraction techniques.


 
Service and Supply Companies
Bighorn Inspection primarily operates in the Petrochemical and Refining industries, utilizing and teaching advanced ultrasonic methods and technologies, including ShearWave, Phased Array methods and Time-of-Flight Diffraction techniques.


 
Service and Supply Companies

Bilfinger North America is the North American branch, based in Houston, TX, of an international engineering and services group for industrial facilities, power plants, real estate and infrastructure.

 
Service and Supply Companies

Unit Birwelco is an international engineering and construction contractor and thermal equipment manufacturer providing a comprehensive range of quality services to the energy, chemical and petrochemical, refinery and utility industries. Birwelco USA Inc., is headquartered in Houston, TX, and focuses on the North American refining, petrochemical and energy markets.

 
Service and Supply Companies

Blueknight Energy Partners serves the oil  and gas industry by supplying crude oil gathering, storage and transportation services, and asphalt storage and processing services.

 
Service and Supply Companies

Bouchard Transportation Company, Incorporated is a full service oil barging company, located in Melville, NY.

 
Service and Supply Companies

Boustead International Heaters (BIH) designs, constructs and supplies fired heaters and waste heat recovery units to serve the oil and gas, petrochemical and energy industries. The North American office is located in Calgary, Alberta, Canada.

 
Oil Companies, Service and Supply Companies

BP America is the American branch of an international oil and gas company. BP works to find, extract and move oil and gas, to make fuels and products, and to sell fuels and products.

 
Service and Supply Companies

Breakwater Energy Services LLC provides the oil and gas industry with oilfield water transfer services and water management services. The company is headquartered in Friendswood, TX.

 
Service and Supply Companies

Bright Automation is an industry leader in the electronic monitoring and control products and systems for the energy and industrial markets, offering a broad range of advanced electronics, including VFDs, SCRs, and remote monitor and control systems. Bright products and systems enhance processes and add efficiencies to a wide range of applications, from oil and gas drilling and production to mining operations.

 
Manufacturing Companies
Bri-Steel is a manufacturer, wholesale distributor, and trader of large diameter seamless carbon and alloy steel pipes used in the resource, industrial, mechanical and construction industries across Canada and internationally.


 
Manufacturing Companies
Bri-Steel is a manufacturer, wholesale distributor, and trader of large diameter seamless carbon and alloy steel pipes used in the resource, industrial, mechanical and construction industries across Canada and internationally.


 
Manufacturing Companies, Service and Supply Companies

Brodie International produces and distributes high precision liquid flow meters and valves used in the custody transfer of petroleum products.

 
Service and Supply Companies

Buckeye Pipilines, LP owns and operates an independent petroleum products common carrier pipeline that transports refined products in the Northeastern and Northern Midwest United States. Buckeye Pipelines also operates and maintains pipelines it does not own in the Gulf Coast Region, in addition to providing terminalling, storage and refined product distribution services.

 
Manufacturing Companies, Service and Supply Companies

Burckhardt Compression manufactures reciprocating compressors, offers valve service for all brands of compressors, and condition monitoring systems for the oil and gas industry.

 
Service and Supply Companies

Bureau Veritas is an inspection services company, providing the oil and gas industry with a full range of services from Inspection & Audit to Testing & Analysis and Certification.

 
Service and Supply Companies
C&N Petroleum Equipment supplies, installs and services bulk liquid transfer equipment for depots, pipelines, harbours, exploration sites, subsea production and many other venues. C&N also manufactures related fuel equipment.


 
Cabot Oil & Gas Corporation is an independent natural gas and oil producer with its entire resource base located in the continental United States. The company’s focused operations are centered around developing its natural gas resources in Pennsylvania and West Virginia; and exploiting its oil, liquids and to a lesser extent, natural gas reserves in Texas.


 
Cabot Oil & Gas Corporation is an independent natural gas and oil producer with its entire resource base located in the continental United States. The company’s focused operations are centered around developing its natural gas resources in Pennsylvania and West Virginia; and exploiting its oil, liquids and to a lesser extent, natural gas reserves in Texas.


 
Manufacturing Companies

Caldwell Tanks, located in Louisville, Kentucky, designs, constructs, and maintains water tanks, industrial storage tanks, and prestressed concrete tanks.

 
Service and Supply Companies

Cameron International provides flow equipment products, systems and services to worldwide oil, gas and process industries.

 
Service and Supply Companies

Camin Cargo Control is an international supplier of inspection and laboratory services.

 
Service and Supply Companies

Can USA Incorporated provides engineering, inspection and maintenance solutions to the energy industry, relying on their specialized rope access methods.

 

The Canadian Energy Pipeline Association (CEPA) represents Canada's transmission pipeline companies, who operate pipelines both in Canada and in the United States.

 

The Canadian Gas Association (CGA) represents Canada's natural gas distribution industry. CGA's members are distribution companies, transmission companies, equipment manufacturers and other service providers.

 
Service and Supply Companies

Cape Incorporated is a construction firm located in Norcross, Georgia. Cape Inc undertakes construction projects, environmental remediation projects, and industrial services projects.

 
Service and Supply Companies

Capitol Ultrasonics, LLC provides non-destructive examination services. Capitol Ultrasonics is a locally owned and operated business in Baton Rouge, Louisiana.

 
Manufacturing Companies, Service and Supply Companies

Carpenter Technology Corporation works to develop, manufacture and distribute cast/wrought and powder metal stainless steels and specialty alloys. Carpenter's metals-related services include contract manufacturing, conversion, distribution, and supply.

 
Manufacturing Companies

Cashco manufactures a proprietary line of self-contained regulators and control valves, as well as manufacturing and warehousing fuel burning parts for the Riley Stoker Corporation. Cashco is headquartered in Ellsworth, Kansas, with a branch location in Houston, TX.

 
Service and Supply Companies

CATSI Incorporated is a technical services company. CATSI's services include turnaround inspection services; mechanical integrity; structural inspection; new construction; pre-outage support and turnaround project management.

 
Service and Supply Companies

CB & I is an energy infrastructure company offering a range of services to the oil and gas industry, including design, engineering, construction, fabrication, maintenance and environmental services.

 
Service and Supply Companies

CBCL Limited is a multidiscipline engineering firm of approximately 300 technical staff serving various sectors including oil and gas ranging from refineries, gas processing facilities, storage tanks, distribution terminals, pipelines and metering stations. The company provides project management, design and specification, construction supervision, inspection and commissioning to varying degrees within all sectors.


 
Service and Supply Companies

CEMEX is a global building materials company that provides high quality products and reliable service to customers and communities throughout the Americas, Europe, Africa, the Middle East, and Asia. CEMEX’s U.S. network includes 13 cement plants, 46 strategically located distribution terminals, more than 100 aggregate quarries and more than 450 ready-mix concrete plants.

 

The Center for Liquefied Natural Gas (CLNG) is a trade association of LNG producers, shippers, terminal operators and developers, and energy trade associations. CLNG serves as an information network to enhance public understanding of liquefied natural gas.

 
Service and Supply Companies
Certified Calibrations is a premier liquid measurement company. Its services can involve waterdraws, instrumental certification, round-the-clock professional consulting services, meter prover flow skid fabrication and inspection, test measure and prover tank fabrication and refurbishment, and mobile service equipment. Certified Calibrations is also a distributor for quality instrumentation products, including prover spheres, detector switches, 4-way valves, positive displacement meters, turbine meters and much more.


 
Service and Supply Companies

Cetek is a ceramic technologies company with locations in Ohio and Texas. Cetek provides a range of ceramic coating and maintenance services.

 
Service and Supply Companies

Charter Brokerage is a trade services company, providing customs, import, export, drawback and related services.

 
Manufacturing Companies, Service and Supply Companies

Chattanooga Boiler and Tank (CB&T) designs and constructs tanks, stacks, silos and pressure vessels from stainless steel, carbon steel, aluminum and exotic alloys. CB&T erects tanks and vessels on-site throughout the continental United States and ships pre-fabricated units around the world.

 
Service and Supply Companies

Check-6 is a performance assurance company, offering multiple training programs for workers in the oil and gas industry.

 
Cheniere Energy is an energy company primarily engaged in Liquefied natural gas (LNG) businesses. The company operates through two segments: LNG terminal business, and LNG and natural gas marketing business.


 
Oil Companies, Service and Supply Companies

Chesapeake Energy is headquartered in Oklahoma City, and a North American producer of natural gas and natural gas liquids. The company also owns substantial marketing, compression and oilfield services businesses.​

 
Oil Companies, Service and Supply Companies

Chevron's companies are involved in oil and natural gas exploration and production, manufacturing and transportation, as well as chemical production and mining to energy research and nanoscience.

 
Cimarex is an exploration and production company with operations in Texas, Oklahoma and New Mexico. Most of the company’s drilling takes place in the Bone Spring sands and Wolfcamp shale in the Permian Basin and in the Woodford shale in western Oklahoma.


 
Cimarex is an exploration and production company with operations in Texas, Oklahoma and New Mexico. Most of the company’s drilling takes place in the Bone Spring sands and Wolfcamp shale in the Permian Basin and in the Woodford shale in western Oklahoma.


 
Manufacturing Companies

CIRCOR Energy is a global provider of highly engineered valves and pipeline products and services.

 
Service and Supply Companies

CJ Winters Machine Technologies is a Rochester, NY based manufacturer of cold-displacement, cylindrical dies and attachments. CJ Winters' products and services are sold worldwide.

 
Service and Supply Companies

Cleveland Integrity, Inc offers pipeline, oil and gas, refinery and plant construction services. The company is located in Cleveland, Oklahoma.

 
Service and Supply Companies

C-MAR Group is a global marine and energy services company, providing marine, manpower, engineering and support services to the marine and offshore sectors.

 
Service and Supply Companies

The Coastal Flow Companies are a family of companies headquartered in Houston, Texas. Coastal Flow offers gas and liquid measurement and analytics services to oil and gas producers, gatherers, processors, pipelines, refineries, and petrochemical companies.

 
Drilling Companies, Oil Companies

Cobalt is an international energy company engaged in global oil exploration and oil development and production.

 
Service and Supply Companies

Collins Engineers Incorporated is headquartered in Chicago, Illinois. Collins provides design and analysis services coupled with field experience to the transportation, marine, construction, and land development industries.

 
Oil Companies, Service and Supply Companies

Colonial Pipeline Company transports refined petroleum products such as gasoline, diesel fuel, etc. through an owned and operated pipeline that begins in Houston, Texas and ends in Linden, New Jersey.

 

Colorado Engineering Experiment Station Incorporated (CEESI) provides NVLAP accredited calibrations focused on air, water, and natural gas calibrations. CEESI also offers calibration-related engineering services, valve testing, and a wide range of flow measurement training services.

 

The Colorado Oil and Gas Association (COGA) promotes the expansion of Rocky Mountain natural gas markets, supply, and transportation infrastructure, in addition to acting as a source of information on Colorado's oil and natural gas industry.

 
Manufacturing Companies

Columbia Industries designs, fabricates, and installs a range of products used by the oil and natural gas industries, such as rig walking systems, wheeled moving systems, tippers, handlers and hydraulics, and KB axles. 

 

Columbus McKinnon, headquartered in Amherst, NY, manufactures hoists, rigging, and crane components. Columbus McKinnon also offers training courses in inspection and operations.

 

ConocoPhillips is an international oil company, exploring for, producing, transporting, and marketing crude oil, natural gas, natural gas liquids, and bitumen.

 

Consolidated Fabrications and Constructions, Inc is a mechanical contractor servicing pipeline terminals, refineries, chemical manufacturers and power utilities. Consolidated's capabilities include multi-craft industrial maintenance, from process piping, heat exchangers and pressure vessels to aboveground storage tank inspection, repair and new construction

 
Manufacturing Companies
Cooper is a well-respected and approved USA manufacturer that specializes in exotic alloy valves, serving the downstream and mid-stream chemical, petrochemical, oil and gas, water, and refining industries for over 75 years. Cooper’s success is derived from its dedication to quality, highly engineered and complex application solutions, experienced personnel, US based manufacturing, and a wide level of end-user approvals.


 
Service and Supply Companies

CRC-Evans Pipeline International provides services and equipment for onshore and offshore pipeline construction. Headquarters are located in Houston, TX, but operations are carried out worldwide.

 
Service and Supply Companies

Cryostar delivers pumps, turbines, compressors, heat exchangers, automatic filling stations, natural gas liquefication/regasification plants and power plants for industrial gas, LNG, Clean Energy, and Hydrocarbon applications.

 
Service and Supply Companies

CSD Engineers LLC has an office in Houston, TX, but offers engineering and project management consulting services to businesses worldwide.

 
Manufacturing Companies, Service and Supply Companies

CST Covers manufactures factory-coated metal storage tanks, aluminum domes and specialty covers and reclaimer systems. The headquarters is in Lenexa, Kansas, and international offices are located in Brazil, United Kingdom, India, Singapore, Vietnam and Dubai.

 
Service and Supply Companies
Cyient is an engineering, network and operations solutions company that delivers services and develops solutions for product development and life-cycle support, process and network engineering, plus data transformation and analytics.


 
Manufacturing Companies
The Dale Company is a manufacturer of custom u-bolts, anchor bolts, J-bolts, eye-bolts, square bolts, hex head cap screws, socket pipe plugs, stud bolts and other fastener products for a variety of industries.


 
Service and Supply Companies
Deepwater Subsea specializes in subsea operational support and competency development training. Its primary support is to both the operators and drilling contractors for technical support and engineering services. While training is a part of the business, Deepwater Subsea’s support is based around the rules and regulations that govern operations for Well control equipment.


 

The U.S. Department of Energy's Office of Fossil Energy plays a key role in helping the United States meet its continually growing need for secure, reasonably priced and environmentally sound fossil energy supplies. The primary mission is to ensure the nation can continue to rely on traditional resources for clean, secure and affordable energy while enhancing environmental protection. The organization also includes the National Energy Technology Laboratory.

 

Det Norske Veritas (DNV) is a ship and offshore classification society as well as a technical adviser to companies in the global oil and gas industry. DNT provides classification, technical assurance and software, as well as certification services to customers in the oil and gas, and energy industries.

 

Devon Energy is an independent oil and natural gas exploration and production company. Devon's operations are focused in the United States and Canada.

 
Drilling Companies, Service and Supply Companies

Diamond Offshore provides contract drilling services to the energy industry worldwide and is capable of ultra-deep water operations.

 
Service and Supply Companies

DJA Inspection Services, based in Reno, Pennsylvania, performs above ground storage tank inspections and provides management services.

 
Service and Supply Companies
Dominion NDT Services, Inc. is a SWaM owned independent Non-Destructive Testing company based out of Richmond, VA.


 
Manufacturing Companies

DOX-Steel is the product of 20 years of research in both the laboratory and in the field with PEMEX. Its proprietary technology products have been tested in the most corrosive environments in the world, in some of the harshest conditions imaginable.


 
Manufacturing Companies
Dril-Quip, Inc. designs, manufactures and sells drilling and production hardware and a wide variety of capital rig equipment for use by oil and gas companies. Dril-Quip's extensive product offering is well suited for use in deepwater, harsh environments and severe service applications. Dril-Quip also provides installation and reconditioning services.


 
Service and Supply Companies

Duoline Technologies, a member of the Robroy Industries Group, designs, installs, and operates saltwater gathering and disposal systems.

Headquartered in Gilmer, Texas, Duoline Technologies have joined with four international partners who each provide Duoline services and non-corrosive products in their respective territories, the North Sea and Europe, the Middle East, Brazil, and Canada.

 
Service and Supply Companies

Dupre Logistics is a logistics and supply chain provider, with capabilities in total logistics management, energy distribution, exploration and production, midstream, and downstream among others. The headquarters is in Lafayette, Louisiana.

 
Manufacturing Companies

Dura-Bar is the only manufacturer of continuous cast iron bar stock in North America. Since 1961, Dura-Bar has evolved into the world's largest producer of continuous cast iron bars, headquartered in Woodstock, Illinois.

 
Service and Supply Companies
Duron Systems is an oil and gas fabrication facility that offers turnkey project management solutions to meet customer demands.


 
Manufacturing Companies, Service and Supply Companies

DYCE Global, or Dong Yang Corrosion Engineering, provides services and products to the oil and gas industry to prevent corrosion of onshore and offshore pipelines, subsea equipment, terminals, onshore and offshore production and processing facilities, etc.

 
Manufacturing Companies

Dynamic Flow Computers designs and manufactures flow computers meant to operate in various fields such as petrochemical and refining, wellhead, and pipeline storing and gathering.

 
Service and Supply Companies

Eagle Research Corporation develops and provides products for remote data acquisition and process control.  The Eagle Research Corporation is located in Hurricane, West Virginia.

 
Manufacturing Companies, Service and Supply Companies
Elecsys is a leading provider of innovative M2M (machine-to-machine) technology solutions and custom electronics for critical industrial applications. Elecsys systems enable customers to gain visibility and control of field assets to increase efficiency, enhance safety, and maximize productivity.


 
Manufacturing Companies, Service and Supply Companies

Electric Machinery Company designs, manufactures, and services large custom-engineered electrical motors and generators.  The US headquarters is in Minneapolis, MN.

 
Manufacturing Companies, Service and Supply Companies

Electrolab manufactures oil-field instrumentation in San Antonio, Texas.  As the manufacturer of the Siemens Digital Level Sensor, Electrolab engineering has been present in North American production tanks, midstream collection tanks, and many other applications for over 20 years.

 
Manufacturing Companies, Service and Supply Companies

Elementis Specialties is a chemical producer and supply company based in the United States. Types of products produces include architectural and industrial coatings, personal care, and oilfield drilling. Elementis offers such products as defoamers, colorants, waxes, adhesion promoters, and rheology modifiers for aqueous and solvent systems, among others.

Elementis has its corporate headquarters in East Windsor, New Jersey.

 
Service and Supply Companies

Elliot Services Incorporated is a contracted inspection company specializing in chemical, refining, and energy industries' quality assurance. 

 
Service and Supply Companies

EMATS Incorporated is an energy management company, offering services in the design, engineering, construction, and operation of natural gas and utility infrastructure. EMATS' corporate office is located in Bluff Hill, VA.

 
Manufacturing Companies, Service and Supply Companies

Emerson Process Management is a global manufacturing and technology company.  Emerson consists of  Process Management, Industrial Automation, Network Power, Climate Technologies, and Commercial & Residential Solutions businesses.

 
Service and Supply Companies

Enbridge Energy Partners LP owns and operates a natural gas distribution company in Canada, in addition to having a large presence in the US natural gas transmission system, onshore in Texas and Oklahoma, and offshore in the Gulf of Mexico.  Enbridge Incorporated has a headquarters in Calgary, Alberta, and Enbridge Energy Partner's, LP is headquartered in Houston, TX.

 
Manufacturing Companies, Service and Supply Companies

Endress-Hauser Flowtec AG is a supplier of industrial measurement and automation equipment.  Endress-Hauser has locations worldwide, including six in the United States.

 
Oil Companies

Enefit is an oil shale to energy company located in Utah with operations in Jordan and Estonia.  Enefit is engaged in oil shale mining, production, electricity distribution, and sales of electricity and other products. 

 
Service and Supply Companies

Energi Insurance Services Incorporated provides specialized insurance and risk management consulting targeted to specific segments of the oil and gas industry.

 
Manufacturing Companies, Service and Supply Companies

Energy and Technology Corporation is the leader of a group of companies which provides technologies and essential commodities, including equipment and services to the oil and gas industry.

 
Manufacturing Companies

Energy Exchanger Company designs, engineers and fabricates shell and tube heat exchangers.  The company is based in Tulsa, Oklahoma.

 
Service and Supply Companies
Energy Training Solutions (ETS) provides training for the oil and gas industry from Upstream to Downstream. In addition, many companies in the industry use ETS liquid and gas flow lab to calibrate their equipment.
 
Oil Companies

Energy XXI develops oil and gas fields, geographically focused in the shallow waters of the Gulf of Mexico.

 
Service and Supply Companies
EnerSys Corporation specializes in the implementation of PHMSA-compliant control rooms for oil and gas operations. Leveraging in-depth knowledge of pipeline operations, control room procedures, alarm rationalization, SCADA and the latest PHMSA 49 CFR regulations, EnerSys has created the ideal solution for small and medium-size operators with limited resources.


 
Oil Companies

EnerVest is a buyer of conventional North American oil and gas properties.  The corporate headquarters is located in Houston, Texas, with an eastern headquarters in Charleston, WV.

 
Service and Supply Companies

Engineering and Inspection Services (EIS) is based in Metairie, Louisiana, and offers a range of engineering, design, and inspection services. EIS offers project/design engineering and plant and reliability support  in addition to expertise on equipment upgrades and replacements.

 
Service and Supply Companies

Enovation Controls manufactures and engineers engine control systems. Enovation Controls has engineering and manufacturing locations all over the world, and the headquarters is in Tulsa, Oklahoma.

 
Manufacturing Companies, Service and Supply Companies

Enpro Industries designs and manufactures mechanical fluid systems to be exported from the manufacturing base in Pune, India. 

 
Drilling Companies

Ensco PLC is a global provider of offshore drilling services. The headquarters is in London, and the North and South America regional business unit is based in Houston.

 
Oil Companies, Service and Supply Companies

Enterprise Products Partners is a publicly traded energy partnership and North American supplier of midstream energy services.

 
Manufacturing Companies
Enthone is a global supplier of high performance specialty chemicals and coatings. Its products serve the automotive; building hardware; electronics; heavy equipment, energy and chemicals; aerospace and defense; jewelry, fashion and decorative finishes; and industrial finishes industries.


 
Manufacturing Companies
Enthone is a global supplier of high performance specialty chemicals and coatings. Its products serve the automotive; building hardware; electronics; heavy equipment, energy and chemicals; aerospace and defense; jewelry, fashion and decorative finishes; and industrial finishes industries.


 
Service and Supply Companies

Environmental Resource Management (ERM) is a global provider of environmental, health, safety, risk, and social consulting services, as well as sustainability related services. ERM has offices in 40 states, as well as multiple international locations.

 
Service and Supply Companies

Environmental Standards, Inc, is an environmental consulting firm, specializing in environmental chemistry, geosciences, quality assurance oversight, environmental data management, and emergency response/health and safety support. Environmental Standards Inc has offices in Tennessee, Virginia and Texas, with a headquarters in Pennsylvania.

 
EOG Resources, Inc. is an independent (non-integrated) company that explores for, develops, produces and markets crude oil and natural gas primarily in major producing basins in the United States, Canada, Trinidad and Tobago, the United Kingdom and China.


 
EOG Resources, Inc. is an independent (non-integrated) company that explores for, develops, produces and markets crude oil and natural gas primarily in major producing basins in the United States, Canada, Trinidad and Tobago, the United Kingdom and China.


 
Service and Supply Companies

Environmental and Occupational Risk Management (EORM) Incorporated is an environmental, health, safety, and sustainability consulting firm. The headquarters is in San Jose, CA, with regional offices spanning the West Coast and Texas.

 
EPC Energy Services is a multidiscipline engineering services company supporting Upstream and Midstream oil and gas clients with design, construction support and commissioning and startup services.


 
ERI distributes and supplies exploration drilling and production-related equipment for both offshore and onshore application, encompassing all electrical, power generation, hydraulic, pneumatic and safety-related equipment necessary to support drilling and production markets.


 
ERI distributes and supplies exploration drilling and production-related equipment for both offshore and onshore application, encompassing all electrical, power generation, hydraulic, pneumatic and safety-related equipment necessary to support drilling and production markets.


 
Service and Supply Companies

The Equity Engineering Group develops equipment technologies for oil refining and petrochemical plants. Equity Engineering focuses on aging infrastructure, and provides software tools and consulting strategies that help to manage risk and control inspection costs.

 
Service and Supply Companies
Esteem is a leading supplier and contractor for Fired Heaters (Heaters, Cracking Furnaces, Reformers, Waste Heat recovery Units, Process Furnaces) and related equipment to the Hydrocarbon and Chemical industries spanning Oil & Gas, Petrochemical, Refining, Fertilizer and related sectors.


 
Oil Companies, Service and Supply Companies

Explorer Pipeline transports gasoline, diesel, fuel oil and jet fuel from the Gulf Coast to the Midwest. The pipeline runs through 16 states, with a headquarters in Tulsa, Oklahoma.

 
Service and Supply Companies

Express Energy is an oilfield services company that offers drilling services and completion and production services as well as offshore well intervention services. Express Energy's area of operations includes the Permian Basin, South Texas, Barnett Shale, East Texas, Haynesville Shale, Bakken Shale, Marcellus and Utica Shales, Oklahoma and the Gulf of Mexico.

 
Drilling Companies, Oil Companies

Exxon Mobil, a publicly traded international oil and gas company, has a large inventory of oil and gas resources, which they refine and market as petroleum products, as well as operating a chemical company.

 
Service and Supply Companies

Fastenal Company provides tools and parts as well as inventory services to companies in the oil and gas industry.

 
Manufacturing Companies

FBV Incorporated engineers, manufactures and distributes specialized valves for industrial use.

 
Service and Supply Companies

Fisher Tank Company designs above ground welded steel tanks and installs them on-site. Fisher Tank has a headquarters in Pennsylvania, and offices in South Carolina and Alabama.

 
Manufacturing Companies, Service and Supply Companies

Flex TM is a worldwide distributor of metal stampings, fabrications, weldments, machining and tooling. Flex TM is located in Wahpeton, North Dakota.

 
Manufacturing Companies
The Flexitallic Group is the international market leader in the manufacture and supply of high quality, high value industrial static sealing products. Based on sales and geographic reach, The Flexitallic Group has become a global supplier of industrial gaskets.


 
Manufacturing Companies, Service and Supply Companies

Flexsteel Pipeline Technologies manufactures and installs highly corrosion resistant pipes for use in the oil and gas industry. Flexsteel headquarters is in Houston, TX and manufacturing facilities are located in Texas and Florida.

 
Manufacturing Companies, Service and Supply Companies

Flow Management Devices is an engineering company with manufacturing capabilities located in Phoenix, AZ.

 
Service and Supply Companies

Fluor Corporation provides a range of industries, including the oil and gas industry, with engineering, procurement, construction, maintenance and project management services.

 
Fluor Federal Petroleum Operations is a special-purpose company formed for the sole purpose of managing and operating the Strategic Petroleum Reserve.


 
Service and Supply Companies

FMC Technologies designs, manufactures, and services technologically sophisticated systems, such as subsea production and processing systems, surface wellhead systems, high pressure fluid control equipment, measurement solutions, and marine loading systems for the oil and gas industry.

 
Manufacturing Companies

Forum Energy Technologies is a global oilfield products company, serving the subsea, drilling, completion, production and infrastructure sectors of the oil and natural gas industry.

 
Service and Supply Companies

Foss Maritime Company supports upstream oilfield development projects with full project management services and marine logistics support. Its corporate headquarters is in Seattle, Washington.

 
Service and Supply Companies

Foster Wheeler is an international engineering, construction and project management contractor and equipment supplier. Foster Wheeler has 10 locations throughout the US.

 
Service and Supply Companies

Freeport-McMoRan Inc. (FCX) is an international natural resources company with headquarters in Phoenix, Arizona. FCX operates large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold, molybdenum, cobalt, oil and natural gas. 

 
Service and Supply Companies

Fugro acquires and interprets Earth and engineering data to support the design, construction, installation, repair and maintenance of infrastructure. Fugro works predominantly in energy and infrastructure markets offshore and onshore, employing approximately 12,500 employees in over sixty countries.

 
Service and Supply Companies
Fujisan Survey is a metrological and testing services company with extensive experience in the industrial market, Petroleum, Petrochemical, Chemical, Mineral and Seed Laboratory. Fujisan Survey is committed to the development and improvement of processes and procedures for measurements of equipment within the framework of legal metrology.


 
Service and Supply Companies
Fujisan Survey is a metrological and testing services company with extensive experience in the industrial market, Petroleum, Petrochemical, Chemical, Mineral and Seed Laboratory. Fujisan Survey is committed to the development and improvement of processes and procedures for measurements of equipment within the framework of legal metrology.


 
Service and Supply Companies

Furmanite engages in on-site industrial plant turnaround maintenance and on-line contractor engineered services.

 
Manufacturing Companies

FZV Americas is a subsidiary of Fangzheng Valve Group, a valves and flow control components manufacturer. The company provides API 6D and API 6A valve and fitting, as well as pipe and fittings.


 
Manufacturing Companies

Garlock Sealing Technologies is now a part of Enpro Industries, and continues to manufacture sealing technologies as a part of Enpro, a manufacturer of proprietary engineered products operating manufacturing facilities in North and South America, Europe and Asia. 

 

The Gas Processors Association (GPA) is a non-profit trade association that represents the midstream energy industry.  Besides offering information services in the regional chapters, GPA provides many educational opportunities for current members as well as those wishing to become members. 

 
Service and Supply Companies

GATX Corporation, which serves targeted markets in the global transportation industry, consists of Rail North America, Rail International, American Steamship Company (“ASC”) and Portfolio Management. GATX is headquartered in Chicago, IL.

 
Service and Supply Companies

Located in Alaska, GBR provides oilfield casing services, casing tools, and welding services, in addition to providing the North Slope with a full service tire shop.

 
Manufacturing Companies, Service and Supply Companies

GE develops and provides advanced technology equipment and services for all segments of the oil and gas industry, from exploration to production and downstream.

 
Oil Companies, Service and Supply Companies

Genesis Energy is a midstream limited partnership with a portfolio of customers, operations, and assets which include refinery-related plants, pipelines, storage terminals, and trucking operations.  Genesis' headquarters is in Houston, TX.

 
Manufacturing Companies

Gevo is a renewable chemicals and biofuels company.  Gevo develops bio-based alternatives to petroleum-based products. 

 
Service and Supply Companies

Gilbarco Veeder-Root is a technology company that develops and distributes high-tech gas station equipment, including fuel dispensing technologies.

 
Service and Supply Companies
Global Energy Inspections is a leading provider of inspection services, integrated project safety and asset management solutions to clients working in the general industry, fabrication, oil, gas & petrochemical industries, drilling & well services refineries, power generation both traditional and alternative, plants, retail and wholesale, recreational and theme parks.


 
Service and Supply Companies
Global Tooling Specialties, Inc. is a service oriented company catering to various OEMs throughout the world. Global Tooling Specialties specializes in cost savings for cutting and power tools, safety equipment, heavy machinery, precision measurement equipment among others, acting as a right arm to customer operations with the ability to consolidate sales, logistics and technical support.


 
Manufacturing Companies, Service and Supply Companies

Grace Instrument is a designer and manufacturer of viscometers, rheometers, core flood testers and other analytical instruments for the petroleum, chemical, pharmaceutical and food industries worldwide. Grace Instrument is headquartered in Houston, TX.

 
Service and Supply Companies

Gulf serves the worldwide pipeline industry, providing management, engineering and design, GIS, procurement and construction management services for hydrocarbon transportation systems. The corporate headquarters is in Houston, TX.

 
Service and Supply Companies

Haley and Aldrich Incorporated is a project management firm, offering consultation on development, environmental, and construction management issues.

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Drilling Companies, Oil Companies, Service and Supply Companies

Halliburton provides products and services to the energy industry in two divisions: Drilling and Evaluation and Completion and Production. The Consulting and Project Management product service line works across both divisions. The Halliburton US headquarters is in Houston, TX.

 
Manufacturing Companies

Hamon Deltak engineers and manufactures combustion turbine heat recovery steam generators and waste heat boilers for process applications. Hamon Deltak is located in Somerville, NJ.

 
Service and Supply Companies
Hatch Mott MacDonald is a full service consulting engineering firm offering public and private clients multidisciplinary expertise and comprehensive capabilities in planning, project development, studies and analysis, design, procurement, construction engineering and inspection, project, program and construction management, and facility maintenance and operations.


 
Manufacturing Companies
Hengli is a supplier of hydraulic and pneumatic components to oil and gas equipment manufacturers, including cylinders, valves, piston pumps, and full systems that include support facilities of ductile iron casting and cold drawn tubes.


 

Hess Corporation is an independent energy company, with operations in exploration and production of crude oil and natural gas.Hess has a headquarters in New York City and in Houston, TX,  6 regional offices throughout the United States in addition to a 12 international offices.

 
Manufacturing Companies, Service and Supply Companies

HMT Incorporated designs and manufactures improvement products for above ground storage tanks. The HMT headquarters is in The Woodlands, TX, and there are 12 regional offices throughout the United States.

 
Service and Supply Companies

Hoist and Crane Service Group provides hoist and crane inspections, preventative maintenance, and repairs. There are 17 Hoist and Crane Group locations in the US.

 
Manufacturing Companies
Holland 1916 Inc. manufactures quality identification products to convey branding, operating and safety information.


 
Service and Supply Companies

Holloway Houston offers a range of services to the oil and gas industry that includes testing, technical, weighing, fabrication, inspection & repair, and DNV certification services, as well as the supply of lifting products.

 
Service and Supply Companies

Hoover Container Services manufactures offshore tank containers, cargo carrying units, and ISO containers. The headquarters and manufacturing plant are located in Houston, TX.

 
Service and Supply Companies

HSI GROUP, INC. offers metallurgical engineering and condition assessment services.

 
Manufacturing Companies, Service and Supply Companies

Hudson Products Corporation designs and manufactures air-cooled heat exchanger equipment to serve the oil, gas, and petrochemical processing industries.

 
Service and Supply Companies

Hull and Associates, Inc is a project development, energy and engineering consulting firm specializing in alternative energy, shale and oil gas, environmental and waste management markets.Hull and Associates has seven offices in the Midwest United States and the Mid-Atlantic.

 

Hunt Oil Company is a privately held exploration and production company. The Hunt Oil Company US headquarters is in Dallas, TX.

 
Manufacturing Companies, Service and Supply Companies

Hunting Energy Services is an international energy services provider, manufacturing and distributing products that enable the extraction of oil and gas. Hunting's activities include well construction, completion, and intervention, as well as working with Gibson Shipbrokers to offer shipbrokers and charter consultants.

 
Manufacturing Companies, Service and Supply Companies

HYDAC distributes a wide range of products to increase the efficiency, and longevity of fluid power systems, for use by OEM's, manufacturers and end users of a variety of heavy duty mobile and industrial equipment.

 
Manufacturing Companies
Ian-Conrad Bergan designs and manufactures high quality marine instrumentation and equipment.


 
Service and Supply Companies

ICO AsiaPacific Group is a certified inspection company headquartered in Singapore and primarily serving the global oilfield and petroleum industries in the Asia/Pacific region.

 
Manufacturing Companies, Service and Supply Companies

Idemitsu Lubricants America Corporation is a manufacturer of finished lubricants for a variety of applications, including industrial. Idemitsu's headquarters and manufacturing facility are located in Jeffersonville, IN.

 
Service and Supply Companies

IDOM, Inc. provides professional engineering and consulting services throughout the United States and Canada. AEC serves clients in the industrial sectors of power, petrochemical, renewable energy, manufacturing, pulp and paper, and the food and beverage market sectors.

 
Service and Supply Companies

IDOM, Inc. provides professional engineering and consulting services throughout the United States and Canada. AEC serves clients in the industrial sectors of power, petrochemical, renewable energy, manufacturing, pulp and paper, and the food and beverage market sectors.

 
Service and Supply Companies

IESCO LLC offers non-destructive testing and inspection services as well as engineering and assessment services. The corporate headquarters is in Torrance, CA.

 

The Independent Oil and gas Association of NY represents members of the oil and gas industry to the citizens and lawmakers of New York. The Association is headquartered in Buffalo, NY.

 

The Independent Petroleum Association of America is the national association representing independent oil and gas producers across the United States. It also operates in close cooperation with unaffiliated national, state and regional associations. The Independent Petroleum Association of America is headquartered in Washington, DC.

 
Service and Supply Companies
Industrial Motor Power is a worldwide end-user and wholesale supplier of new, surplus, and used power generator sets, engines, power plants, and accessories.


 
Service and Supply Companies

Industronic is an international high-tech company providing industrial communications systems. Based in Wertheim, Germany, Industronic's US headquarters is in Bridgewater, NJ.

 
Manufacturing Companies, Service and Supply Companies

Infineum formulates, manufactures and markets petroleum additives for lubricants and fuels. Infineum's American regional office is located in Linden, NJ.

 
Service and Supply Companies

Inquest is an independent provider of offshore support and asset management services, such as survey, inspection, asset integrity, repair and preventative maintenance management for the international energy industry. Inquest is headquartered in Houston, TX.

 
Service and Supply Companies
Inspectest is an integrated service provider of inspection, testing and certification services, catering to the needs of major local and foreign companies in Pakistan.


 
Service and Supply Companies

Intech Process Automation is an international control systems engineering and systems integration company. The US headquarters is in Houston, TX, and international office locations are Angola, Nigeria, and the United Arab Emirates.

 
Service and Supply Companies
Integrity Inspection Services LLC provides "third party inspectors" to clients, oil and gas pipeline and facilities owners/operators. Its inspectors represent clients on-site when work is being performed by contractors, and ensures that work is performed per specifications, in a safe manner, and always looking out for the interest of the client.


 

International Association of Geophysical Contractors (IAGC) is an international trade association representing the industry that provides geophysical services, such as geophysical data acquisition, processing and interpretation, etc, to the oil and gas industry. The IAGC headquarters is in Houston, TX.

 
Service and Supply Companies

Intertek provides testing, inspection, and certification services to the industrial, manufacturing, minerals, chemical, and energy sectors. Services offered include auditing, evaluation, inspection, certification, quality assurance, risk management, and training. Intertek has offices in over 30 states in the US, as well as a strong international presence.

 
Service and Supply Companies

ioMosaic provides safety and risk management consulting services and training. The ioMosaic headquarters is in Salem, NH, and there are two additional US locations in Houston, TX and Minneapolis, MN.

 
Service and Supply Companies

IRED Thermal Group provides furnace integrity management for clients specializing in high temperature applications, such as the oil and gas, refining and petrochemical industries. IRED offers thermography and combustion analysis as well as turnaround inspection services. IRED is located in Edmonton, AB.

 
Service and Supply Companies
IRIIS offers a broad range of inspection-based services, including limited and full condition inspections of land and offshore drilling and production facilities, commissioning programs tailored to your project, final acceptance trials, and a full range of dropped object hazard assessments (DOH), including dynamic DOH evaluations. IRIIS utilizes a combination of plan review and on-site inspection to ensure that electrical, mechanical and well-control installations and equipment are designed, built and maintained in the most effective manner to promote the safety of the asset, environment and personnel required for its operation and maintenance.


 
Service and Supply Companies

IRISNDT Matrix Corporation offers nondestructive testing and inspection services, engineering and heat treating services, in addition to IRISNDT Systems (software and IT services). There are over 15 locations in the US and international offices in Canada and the UK.

 
Service and Supply Companies
Irwin Industries, Inc. is a full-service construction, maintenance, outage, turnaround and fabrication company serving the energy and industrial infrastructure markets in the United States.


 
Service and Supply Companies

Istanbul Ship Supply is a multi-functional operation in International Sea Trade, a "one-stop service station" not only at ports and shipyards of Istanbul but also serving widespread at all Turkish ports, straits and shipyards. Its mission is to ensure a consistent triangle of service excellence, professional personnel and high quality products whilst stepping forward in maximizing customer satisfaction and the effect of which maintains sustainability of its business relations with vessel owners, managers and on board managements at tomorrow's world.


 
Manufacturing Companies, Service and Supply Companies

ITT engineers and manufactures critical components and customized technology systems for the energy, transportation, and industrial markets. ITT is headquartered in White Plains, NY and operates in 35 countries.

 
Service and Supply Companies

Jacobs provides industrial maintenance, fabrication, construction and maintenance management technology to several markets including the oil and gas industry. Jacobs employs 70,000 employees in 28 countries and is headquartered in Pasadena, California.

 
Service and Supply Companies

J.J. White Incorporated is a family run construction company with operations primarily in the Mid-Atlantic region. J.J. White services the oil and gas industry in general construction, mechanical construction, construction management, and HVAC.

 
Service and Supply Companies
Joe Knows Energy performs road maintenance, pad repairs, slip repairs and other maintenance and repair services related to oil and gas projects in the Utica and Marcellus Shale region. It partners with energy companies to safely design, develop and construct energy infrastructure throughout the region.


 
Manufacturing Companies, Service and Supply Companies

John Crane Incorporated provides engineered technology to the oil and gas industry, and offers a wide range of services designed to help improve equipment reliability. John Crane Incorporated is headquartered in Chicago, IL.

 
Service and Supply Companies

John L Lowery and Associates, Inc., provides comprehensive engineering and technology services designed to help clients maintain quality assurance, quality control, construction schedules, and as a result, increase productivity. John L. Lowery and Associates is headquartered in Baton Rouge, LA.

 
Manufacturing Companies

JSW Steel is based in India, but the US branch is located in Baytown, TX. Using quality plate steel from JSW India, the Baytown location produces DSAW pipe to service energy and petrochemical markets.

 
Drilling Companies, Oil Companies, Service and Supply Companies

Justiss Oil Company is a privately owned, family operated exploration, drilling and production company headquartered in Jena, Louisiana, and operating primarily in the Southern United States.

 
Manufacturing Companies

Kam Controls is a research and development based producer of measurement solutions for producers and pipeline operators in the petroleum industry. Kam Controls is a global industry, with a US headquarters in Houston, TX.

 

The Kansas Independent Oil & Gas Association (KIOGA) is a nonprofit member organization representing independent oil and natural gas producers in Kansas, as well as allied service and supply companies.

 
Manufacturing Companies

KBK Industries manufactures fiberglass above-ground storage and processing tanks. The KBK headquarters is located in Rush Center, KS.

 
Service and Supply Companies

Kenan Advantage Group (KAG) is a tank truck hauler and logistics provider, transporting petroleum products and renewable fuels, chemicals and food-grade products. With operations in 42 states, KAG has the ability to deliver within all 48 states of the continental United States and Canada.

 
Manufacturing Companies, Service and Supply Companies

Kimray Incorporated is an Oklahoma City-based company, manufacturing and distributing control equipment for use in the upstream oil and gas industry.

 
Oil Companies, Service and Supply Companies

Kinder Morgan owns and operates miles of natural gas and products pipelines. Kinder Morgan also stores and handles materials such as gasoline, ethanol, jet fuel, etc at its terminals across the Untied States. Major oil companies, energy producers and shippers, local distribution companies and businesses across many industries, are among the customers that utilize Kinder Morgan's pipeline system.

 
Service and Supply Companies

Kirby Inland Marine operates a fleet of inland tank barges and towing vessels, transporting petrochemicals, refined products, black oil products, and pressurized products from producers to intermediaries to end users. The headquarters is in Channelview, TX.

 
Manufacturing Companies, Service and Supply Companies

Krohne manufactures and supplies industrial process instrumentation systems. Products include flow measurement and level measurement instruments, temperature and pressure measurement tools, gas and steam measurement instruments, analytical devices, and leak detection systems for pipes.

Krohne is headquartered in Germany, with a United States office in Peabody, Massachusetts.

 
Manufacturing Companies

L&J Technologies manufactures and supplies level gauging instruments and systems, industrial tank equipment, biogas safety and disposal equipment, molten metal level measurement tools, strip guiding systems, solid and liquid level measurement devices, and mechanical level controls.

L&J Technologies has offices in Texas, Illinois, and Singapore.

 
Manufacturing Companies
Ladish Valves is a manufacturer of stainless steel and high nickel alloy gate, globe, and check valves used worldwide in the refining, petrochemical, chemical, pulp & paper, and power industries.


 
Manufacturing Companies
LafargeHolcim provides innovative cement, aggregates, ready-mix concrete, concrete, and asphalt products as well as associated services and solutions to the onshore and offshore well construction business.


 
Manufacturing Companies, Service and Supply Companies

Larsen and Toubro is a technology, engineering, manufacturing, and construction company headquartered in Mumbai, India. Among the comprehensive services and products offered are shipbuilding, machinery, and equipment for the production of petrochemicals.

 
Service and Supply Companies

Leidos is a science and technology solutions provider that helps clients evaluate, plan, design, build, maintain, and remediate facilities for the upstream, midstream, and downstream industry. Leidos is headquartered in Reston, VA.

 
Service and Supply Companies

Lightning Master® Corporation is a full service, full spectrum static solutions and lightning and transient protection company, serving the oil and gas and chemical industries since 1984. Lightning Master® provides customer support across the continent, from Canada’s Oil Sands to the Eagle Ford in Texas, as well as worldwide service in Asia, Africa, Middle East, and Europe. 

 

Lloyd's Register Energy division provides a variety of services to the energy sector in the United States and worldwide. Energy services include compliance and inspection, drilling consulting and training, asset integrity services, consulting (risk management and analysis), and technology and innovation information/resources.

In the United States, Lloyd's Register is located in Houston, Texas.

 
Oil Companies, Service and Supply Companies

LOOP LLC (the Louisiana Offshore Oil Port) offloads both foreign and domestically produced crude oil and provides storage services for oil companies distributing products in the United States. LOOP is located in Covington, Louisiana.

 
Service and Supply Companies

LORD is a diversified technology company with a history of developing breakthrough adhesive, coating and motion management technologies that improve the performance of their customers' products. Operating from world headquarters in Cary, N.C., LORD has 16 manufacturing facilities, 7 R&D centers and 90 strategically located sales and support centers worldwide.

 
Manufacturing Companies, Service and Supply Companies

Lubrizol is a producer of industrial chemicals for the oil and gas industry. Areas of expertise include coatings, CPVC piping systems and materials, oilfield and refinery chemicals, engineered polymers, and lubricants and fuel additives. Lubrizol is headquartered in Wickliffe, Ohio, with offices in Belgium and Hong Kong.

 
Manufacturing Companies

Lufkin Industries is owned by GE Oil and Gas and manufactures products for the oilfield and power transmission industries. Oilfield industry products include artificial lift equipment and optimization software, as well as integrated lifting systems. Power transmission products include gearboxes (both speed increasing and speed reducing), specialized bearings, and couplings. 

Lufkin Industries is headquartered in Lufkin, Texas, with a second office in Houston.

 
Drilling Companies

Maersk Drilling provides drilling services to the oil and gas industries around the world. Maersk maintains a 26-rig fleet that operates both in the Gulf of Mexico and worldwide. Maersk is a Danish company with a United States office in Houston, Texas.

 
Oil Companies

Maersk Oil is an oil producing company headquartered in Denmark. Maersk extracts oil from a variety of geological sources, including chalk and shelf carbonates, fluviodeltaic and deepwater clastics, and presalt. In the United States, Maersk has an office in Houston, Texas and is involved in exploration and extraction projects in the Gulf of Mexico.

 
Oil Companies, Service and Supply Companies

Magellan Midstream Partners is a refining, pipeline, and storage company located in Tulsa, Oklahoma. Magellan refines, stores, and transports petroleum products such as diesel fuel, gasoline, and crude oil.

 
Manufacturing Companies

Magnaflux manufactures liquid penetrant and magnetic particle materials, equipment, and accessories. Magnaflux also produces process compensated resonant quality inspection systems, aqueous cleaners, and ultrasonic couplants.

Magnaflux is headquartered in Glenview, Illinois and has offices in Brazil, China, India, Mexico, Russia, and the UK.

 
Service and Supply Companies

Magnetic Analysis Corporation (MAC) provides non-destructive testing services as well as eddy current, electromagnetic, flux leakage, and ultrasonic inspection systems for metals testing. MAC is able to provide both individual instruments and complete testing systems. The corporation operates out of its headquarters in Elmsford, New York. MAC has offices in Italy, France, Spain, the UK, Sweden, and Australia.

 
Service and Supply Companies

Mangan is an engineering and automation services company that serves the oil and gas industry. Areas of expertise include refining, pipeline, chemical, renewable energy, biopharm, software, and proving and instrumentation.

Mangan is headquartered in Long Beach, California and has offices in Georgia, Colorado, North Carolina, New Hampshire, and Texas.

 

Based in Houston, Texas, the Company has activity in North America, Europe and Africa. Marathon Oil Corporation creates value by responsibly producing oil and natural gas vital to meeting the world’s growing energy needs. In doing so, we act responsibly toward our shareholders and busi­ness partners, support those who work for us, and improve the communities in which we operate.

 
Oil Companies, Service and Supply Companies

Marathon Petroleum Corporation refines, markets and transports petroleum products throughout the United States. Concentrating on the Gulf Coast, Midwest, and South, Marathon is headquartered in Findlay, Ohio.

 
Associations, Service and Supply Companies

The Marine Spill Response Corp (MSRC) is an oil spill removal organization specializing in open ocean and near shore mechanical recovery expertise as well as its damage control capabilities. The MSRC is headquartered in Herndon, Virginia.

 
Service and Supply Companies
MarkWest Energy Partners, L.P. is engaged in the gathering, processing and transportation of natural gas; the transportation, fractionation, storage and marketing of NGLs; and the gathering and transportation of crude oil.


 

Materials Evaluation and Technology Corporation (METCO) provides testing, engineering, inspection, and consulting services to the aerospace, construction, manufacturing, oil and gas, mining, marine/offshore, power, rail, and pulp and paper industries. Services offered include non-destructive testing, inspection, project management and consulting, metals testing, weld testing, metallography, and metallurgical engineering.

METCO has offices in Houston and Beaumont, Texas.

 
Service and Supply Companies

Mathena, Inc. supplies mud-gas pressure solution systems to the oilfield industry. Types of products include separators, tanks, deigniters, degassers, and hydraulic drilling chokes. Mathena is located in El Reno, Oklahoma.

 
Service and Supply Companies

McCrometer designs, manufactures, and tests flow metering solutions for industrial liquid, steam, and gas measurement. Headquartered in Hemet, California, McCrometer has two branch offices in Aurora, Nebraska and Porterville, California.

 
Service and Supply Companies

Meadows Analysis & Design, LLC, is a Fort Worth- based mechanical engineering firm providing solutions for clients in various industries, including oil and gas, airline, food, construction, and manufacturing. Mechanical engineering services include design, drafting, forensic engineering, project management and more.

 
Manufacturing Companies, Service and Supply Companies

Merichem Company manufactures chemicals for refineries and offers a range of industry-related services to the oil and gas industry. Services offered include engineering for hydrocarbon treating systems, fabrication of modularized process systems, technical services for licensees, project management, and use of the research center for laboratory testing. Merichem Compnay is headquartered in Houston, Texas, with locations in Illinois, Alabama, Japan, and China.

 
Service and Supply Companies

Meridium Inc. provides asset performance management software and services to a variety of industries across the United States. Services offered include consulting, planning, and training. Headquartered in Roanoke, Virginia, Meridium also has offices in Texas, India, UAE, Singapore, Australia, South Africa, and Brazil.

 
Service and Supply Companies

MesoCoat Inc. specializes in metal protection and repair using surface engineering technologies of its own design. Areas of expertise include materials science, nano engineering, and metallurgy. MesoCoat is located in Euclid, Ohio.

 
Manufacturing Companies, Service and Supply Companies

Micro Motion, Inc. is part of Emerson Process Management. The division manufactures coriolis flow and density measurement tools for a variety of industries, including the oil, gas, and power sectors. Micro Motion is located in Boulder, Colorado.

 
Service and Supply Companies

MidCentral Energy Services offers full service blow-out prevention installation and pressure testing services throughout the Mid-Continent Region.


 
Manufacturing Companies

Midland Manufacturing produces valves and level measurement tools for railroad tank cars, marine barges, and ISO containers used to transport both general and pressurized hazardous chemicals. Midland Manufacturing is located in Skokie, Illinois.

 
Service and Supply Companies

Midwestern Services provides industrial tank cleaning services for crude oil tank farms, refineries, terminals, power plants, and industrial facilities. Midwestern Services is headquartered in Houston, Texas.

 
Manufacturing Companies, Service and Supply Companies

Milwaukee Valve Company manufactures a wide range of valves, from small plumbing valves to petrochemical valves. Based in New Berlin, Wisconsin, Milwaukee Valve Company also distributes and supplies its valves worldwide.

 
Service and Supply Companies

Mistras Group provides nondestructive testing services, integrity management, inspection, maintenance, data management, and infrastructure services to the energy and industrial sectors. Mistras Group has offices across the United States, Canada, Argentina, Brazil, and Mexico.

 
Mitsubishi Corporation (MC) is a global integrated business enterprise that develops and operates businesses across virtually every industry including industrial finance, energy, metals, machinery, chemicals, living essentials, and environmental business. MC's current activities are expanding far beyond its traditional trading operations as its diverse business ranges from natural resources development to investment in retail business, infrastructure, financial products and manufacturing of industrial goods.
 
Service and Supply Companies

Mokveld Valves supplies high-quality axial flow valves to the oil and gas industry. These valves are used for safety and control systems both on land and in subsea situations. Mokveld also provides installation, maintenance, and parts replacement services. In the United States, Mokveld operates out of Houston, Texas.

 
Service and Supply Companies

Moran Towing Corporation provides marine towing, ship docking, marine transportation, and liquefied natural gas services to the maritime sector in the eastern United States. Moran Towing maintains a fleet of 95 tugboats and 30 barges and operates in 16 ports from Texas to New Hampshire.

 
Manufacturing Companies

MSP/Drilex, Inc. services to worldwide oil, gas and process industries. The company specializes in the manufacturing of API 6A Products and manufactures for drilling contractors, oil & gas producers, oilfield service companies and equipment distributors.


 
Service and Supply Companies
Multimarine Services, Ltd. supplies high-value engineering, welding and fabrication services to the Oil & Gas, and Marine Industries in Limassol, Cyprus.


 
Service and Supply Companies

Muse Stancil and Company provides consultative services to the energy sector both in the United States and abroad. Specialty areas include process engineering, economic planning and scheduling, refinery and gas plant operations, feasibility analysis, and project development. Muse Stancil is based in Dallas, Texas, with offices in London and Singapore.

 
Manufacturing Companies
NanoMech is a manufacturer of nanoengineeerd based advanced solutions used in machining and manufacturing; lubrication and energy; adaptive chemistries for advanced textile coatings, indestructible metal surface coatings, biomedical implant coatings; and strategic military applications.


 
Manufacturing Companies
NanoMech is a manufacturer of nanoengineeerd based advanced solutions used in machining and manufacturing; lubrication and energy; adaptive chemistries for advanced textile coatings, indestructible metal surface coatings, biomedical implant coatings; and strategic military applications.


 

The National Association of Convenience Stores (NACS) represents convenience and fuel retail and supply companies across the United States. The NACS provides information exchange and resources, industry networking, professional development, and lobbying services to convenience and fuel companies.

 

The National Association of Manufacturers (NAM) is a national lobbying, research and development, and professional organization representing manufacturers in every industrial sector. The NAM provides informational resources, regular chapter meetings, networking opportunities, and professional development programs for members.

 

The National Fluid Power Association (NFPA) promotes industry networking, technological innovations, information exchange, and workforce development for the fluid power industry. The NFPA hosts events, provides members with online resources and training, and works with schools to enhance their fluid power-related programs.

 
Manufacturing Companies, Service and Supply Companies

National Oilwell Varco manufactures oilfield products and provides services to oil and gas companies. Products include mechanical components for land and offshore drilling rigs, complete rig systems, internal tubular coatings, drill string equipment, and downhole drilling bits and motors. Services offered include equipment inspections, project management, and well services and completion services. Corporate headquarters are located in Houston, Texas.

 
Manufacturing Companies

National Pump Company designs, manufactures, and tests custom pump systems for commercial, industrial, mining, oil and gas, municipal, and power companies. In addition to custom manufacturing, National Pump Company has a complete line of vertical turbine and submersible pumps, and provides repair and maintenance services for its products.

National Pump Company has offices in California, Arizona, Texas, Mississippi, Georgia, and Florida.

 
Service and Supply Companies

National Steel Erection (NSE) is a mechanical services contractor for the heavy industrial sector. Services offered include power and process piping, gas and steam turbine installation, Heat Recovery Steam Generator (HRSG) assembly, and balance of plant equipment installation. NSE also provides custom fabrication and erection services, maintenance and repair services, and parts replacement for existing plant equipment. NSE is located in Owensboro, Kentucky.

 
Service and Supply Companies

Nationwide Boiler delivers dependable and high quality boiler solutions. With headquarters in Fremont, CA, Nationwide Boiler is involved in virtually every aspect of the boiler industry including boiler system sales, leasing, turnkey installations, operations and repair.

 

The Natural Gas and Energy Association of Oklahoma (NGEAO) promotes industry networking, information exchange, and social networking among members of the oil and gas industries. The Association provides job search services as well as conferences, monthly meetings, and events for members. The NGEAO is headquartered in Jenks, Oklahoma.

 
Navajo Nation is a federally incorporated oil and gas company that owns and operates oil and natural gas interests, primarily in the San Juan Basin in New Mexico and the Greater Aneth, Tohonadla and Desert Creek fields in southeast Utah.


 
Service and Supply Companies

Navarik provides physical operations software and data support services to the commodity trading sector. Navarik is headquartered in Vancouver, British Columbia, Canada.

 
Service and Supply Companies

Edif Group is a leading provider of technical, quality and safety solutions to owners and operators of industrial plants, infrastructure and critical assets.


 
Service and Supply Companies

NDT Systems and Services provides ultrasonic pipeline inspection and pipeline integrity management services. Services include cleaning assessments, crack inspections, mapping, and software development, among others. NDT Systems and Services is headquartered in Houston, Texas, with offices worldwide.

 
Oil Companies, Service and Supply Companies

Neste Oil is an oil refining and marketing company, with a production focus on premium-quality, lower-emission traffic fuels. The company produces a comprehensive range of major petroleum products and is the world's leading supplier of renewable diesel.

 
Manufacturing Companies

Neuman Esser is a German company with a location in Katy, Texas. Neuman Esser manufactures compression systems as well as grinding and classifying systems. Services include installation, maintenance, repair, and parts supply for the company's products.

 

The New Mexico Oil and Gas Association (NMOGA) promotes the development of the oil and gas industry in the state of New Mexico. Members have access to legislative and regulatory information, technology exchanges, and networking events. NMOGA also runs a job board and provides resources for education and professional development.

 

Newfield Exploration Company is an independent energy company headquartered in the Woodlands, Texas. Newfield is engaged in the exploration, development and production of crude oil, natural gas and natural gas liquids.

 
Service and Supply Companies

NewMarket is a parent company of several manufacturing and supply companies that serve the petroleum additives industry. Companies owned include Afton Chemical Corporation (petroleum additives), Ethyl Corporation (chemicals), NewMarket Services Corporation (operational support services), and NewMarket Development Corporation (real estate services). NewMarket is headquartered in Richmond, Virginia.

 
Service and Supply Companies

Newpark Resources provides drilling fluids and waste treatment services to the oil and gas industries. Drilling fluids and engineering services are tailored  for complex, technical subsurface needs. Matting and site construction services are available for well sites, utility companies, and pipeline companies. Finally, Newpark Resources manufactures and supplies barium sulfate and calcium carbonate chemical products.

Newpark is headquartered in The Woodlands, Texas.

 
Manufacturing Companies, Service and Supply Companies

Niagara Blower Heat Transfer Solutions manufactures industrial air conditioning and heating equipment as well as products for heat transfer solutions. The company is headquartered in Buffalo, New York.

 
Service and Supply Companies

NMC Global provides marine services to the maritime, petroleum, automotive, and environmental industries. Services offered include pre-shipment inspection, surveying, testing, and product and equipment inspection. NMC Global operates in the United State, Canada, China, India, Bangladesh, the Netherlands, Morocco, and Pakistan.

 
Drilling Companies

Noble Corporation is an offshore drilling contractor based in Sugar Land, Texas. Noble Corporation maintains a 77-ship fleet that operates worldwide, including such locations as the North Sea, West Africa, India, and the Arabian Gulf.

 
Noble Energy Inc. is an independent energy company engaged in worldwide crude oil, natural gas and natural gas liquids exploration and production. The company’s diverse resource base includes positions in four premier unconventional U.S. onshore plays – the DJ Basin, Marcellus Shale, Eagle Ford Shale and Permian Basin – and offshore in the U.S. Gulf of Mexico, Eastern Mediterranean and West Africa.


 
Noble Energy Inc. is an independent energy company engaged in worldwide crude oil, natural gas and natural gas liquids exploration and production. The company’s diverse resource base includes positions in four premier unconventional U.S. onshore plays – the DJ Basin, Marcellus Shale, Eagle Ford Shale and Permian Basin – and offshore in the U.S. Gulf of Mexico, Eastern Mediterranean and West Africa.


 
Northern States Fishing Tools provides fishing and rental tools, including milling tools, wash pipes, specialty tools, thru tubing, fishing jars, accelerators, internal and external engagement tools, internal and external cutting tools, as well as clean out packages for the Williston Basin.


 
Northern States Fishing Tools provides fishing and rental tools, including milling tools, wash pipes, specialty tools, thru tubing, fishing jars, accelerators, internal and external engagement tools, internal and external cutting tools, as well as clean out packages for the Williston Basin.


 
Oil Companies, Service and Supply Companies

Northern Tier Energy is a provider of downstream services to the crude oil industry. Services include refining, retail, and pipeline operations. Refined products include asphalt, gasoline, diesel, and jet fuel. Northern Tier Energy is located in St. Paul, Minnesota.

 

North West Redwater Partnership is a joint operation, split between North West Upgrading, Inc. and Canadian Natural Resources Limited. The Partnerhsip was created to plan, design, and build a bitumen refinery in Alberta, Canada. Refinery construction began in 2013 and is expected to continue until the end of 2016.

 
Service and Supply Companies

Northwest Technical Solutions is a team of top technical consultants dedicated to serving customers by engaging innovative solutions and thought leadership to solve offshore technical challenges as well as enhance safety and operational efficiency in today's high specification rig environment. Northwest Technical Solutions is located in Houston, TX.

 

Nustar Energy is a liquid storage and distribution company headquartered in San Antonio, Texas. Nustar operates pipelines and storage facilities for crude oil, refined products, and specialty liquids in the United States, Canada, Mexico, the Netherlands, Turkey, the UK, and St. Eustatius in the Caribbean.

 

Occidental Oil and Gas Corporation (Oxy) is an oil and gas exploration and production company based in Los Angeles, California. Oxy engages in the exploration, production, transportation, processing, storage, purchasing and marketing of oil, natural gas, carbonates, and other power sources.

Regional offices in the United States are located in Texas, New York, and Washington, D.C.

 
Service and Supply Companies

Oceaneering International supplies engineered products and services to the offshore oil and gas industry, specializing in deepwater usage. Services and products offered include remotely operated vehicles, custom subsea hardware, deepwater intervention services, manned diving services, non-destructive testing and inspection, and project management.

Oceaneering International is headquartered in Houston, Texas, with regional offices in Louisiana, Maryland, Brazil, UAE, Norway, Scotland, and Singapore.

 
Service and Supply Companies

OCS Group is dedicated to providing services in commissioning, inspections and technical training and to developing innovative solutions to solve complex issues within this realm of expertise. With offices in the USA, Australia, Brazil, China, India, Singapore and UAE, OCS Group is poised to provide a range of services to the international oil and gas industry as well as other industrial engineering markets.

 

The Ohio Oil and Gas Energy Education Program (OOGEEP) is a nonprofit public outreach program meant to promote the energy industry through various educational programs. The OOGEEP provides and facilitates teacher workshops, scholarships, science fairs, industry training, career and workforce development, research, guest speaker programs, and firefighter training programs throughout the state of Ohio.

 

Oil and Gas Job Search is a job database and professional development website for professionals in the oil and gas industries. Services include an open job board, candidate registration, industry-specific resources (for example, a salary guide), and resume advice.

 

Oil and Gas People is a job search site for potential candidates and recruiters in the oil and gas industries.

 
Service and Supply Companies

Oil and Gas Process Solutions provides engineering expertise and services to the oil and gas industries. Services offered include procurement, maintenance, engineering design and analysis, and project management. Oil and Gas Process Solutions is headquartered in Phoenix, Arizona.

 
Service and Supply Companies

Oil Inspections USA provides loss-control and measurement services to all sectors of the oil industry. Loss control services include custody transfer audits, demurrage claim reviews, and on-hire/off-hire surveys. Measurement services include bunker surveys, ship tank suitability assessments, and contamination investigations. Oil Inspections USA is based in Houston, Texas.

 

OilCareers is an employment and professional development site for oil and gas industry professionals. Through OilCareers, members can search for jobs and training courses, network with other oil and gas professionals, and get career advice. OilCareers also allows recruiters to view potential candidates.

 

OilGrads is a professional development and networking site for current students and recent graduates looking for careers in the oil and gas industries. Students can post profiles, apply for jobs, connect with potential employers, and begin to gather knowledge about the industry.

 

OilPro is a job board and networking site for oil and gas industry professionals. Members can use the site to network, to publish articles, to rate equipment, to gain and share industry knowledge, and to search for industry-specific jobs. 

 
Service and Supply Companies

Omni-Flow Computers creates computers for metering, valve and flow control, and communications systems. Omni-Flow also provides standard software and hardware for its computer systems. The company is headquartered in Sugar Land, Texas.

 
Oil Companies, Service and Supply Companies

Oneok  is a complete oil and natural gas production company based out of Tulsa, Oklahoma. Oneok is capable of gathering, processing, storing, transporting, and marketing natural gas, natural gas liquids across the United States.

 
Service and Supply Companies

On-Site Safety provides a comprehensive range of fire protection services to the oil and gas industry. Services offered include emergency response planning, emergency well control, H2S safety, medical services, fire shower combinations, and gas monitoring (both mobile and stationary). On-Site Safety has three offices in Texas and branches in North Dakota and Colorado.

 
Service and Supply Companies
OpAmp is a Houston-based consulting company providing information management services and software for capital projects in the process industry.


 
Service and Supply Companies

OptaSense delivers solutions worldwide through the deployment of ground-breaking technologies utilizing Distributed Acoustic Sensing. The business is an owned subsidiary of QinetiQ Group Plc, which provide advanced technology services to customers across the world derived from core activities in the USA, UK and Australia.

 
Service and Supply Companies
Orbital Engineering provides full-service engineering, risk mitigation, and project delivery expertise to clients within the mining and metals, energy, chemical and manufacturing, and infrastructure industries.


 
Drilling Companies, Manufacturing Companies, Service and Supply Companies

Located in Corpus Christi, Texas, Orion Drilling Company is a full-service drilling company with a manufacturing and fabrication facility on site, as well as a mechanics and maintenance shop. Orion Drilling constructs rigs with API certified structures, masts, and crowns.

 
Manufacturing Companies

Oseco manufactures pressure relief products and offers design, testing, and consultancy services to the energy industry. Products offered include rupture discs, explosion vents, and sensors. Oseco is headquartered in Broken Arrow, Oklahoma.

 

Pacific Drilling is an ultra-deepwater drilling contractor headquartered in Houston, Texas. In addition to operating a fleet of high-specification drillships in the United States, Pacific Drilling operates from offices in Brazil, Luxembourg, Nigeria, Singapore, and South Korea.

 
Service and Supply Companies

Pala-Interstate (part of PalaGroup) provides construction services to the oil and gas industry in the southern United States. Services offered include new construction, tank maintenance, storage tank and vessel design and fabrication. Pala-Interstate is headquartered in Baton Rouge, Louisiana.

 
Service and Supply Companies
Panton is an operating and information/data exchange platform enabling optimum execution of strategies. Panton effectively handles proprietary data and functions – transaction management, contract administration, physical nominations and scheduling, volume and value allocations, imbalance and inventory tracking, procurement management, supply chain management, settlement and invoicing, forecasting, and risk management.


 
Manufacturing Companies

Paragon Industries manufactures oil country tubular goods, line pipe products, structure pipe piling, and ASTM standard products. Paragon Industries also provides such services as trucking, grooving, bundling, and threading. The company is located in Sapulpa, Oklahoma.

 
Drilling Companies, Service and Supply Companies

Parker Drilling Corporation provides drilling services, rig design, project management, operations management, and tool rentals for the energy industry. With both land rigs and offshore rigs, and two fleets for both domestic and international projects, Parker Drilling serves a wide variety of energy companies and project sites.

Company headquarters are located in Houston, Texas.

 
Service and Supply Companies

Parker Hannifan Corporation manufactures motion and control technologies and systems for the industrial, mobile, and aerospace sectors. Operating in the United States as well as in over 45 countries worldwide, Parker Hannifan constructs such products as cylinders and actuators, gas generators, pumps, and refrigeration systems.

 
Service and Supply Companies

Patterson Tubular Services provides tube-related services to a variety of industries. Services include inventory management, equipment inspection, tubular handling, maintenance, barge-rail services, and a tubular rig return programs.

Patterson Tubular is headquartered in Houston, Texas and has an additional office in Morgan City, Louisiana.

 
Service and Supply Companies

PB Energy Storage Services engineers and constructs underground storage and related surface facilities. In addition to various types of subterranean storage, PB Energy also provides drilling and well management, acid gas injection, and surface facilities services. Headquartered in Houston, Texas, PB Energy also has offices in Calgary and South Dakota.

 
Service and Supply Companies

PCA Engineering provides inspection, compliance, and equipment protection services to the oil, gas, and electrical industries. Areas of expertise include corrosion control, cathodic protection, structural inspections (tanks, pipelines, marine structures, cooling water piping), and federal compliance checks. PCA Engineering operates on the Eastern Seaboard of the United States, in Florida, Delaware, Maryland, New Jersey, New York, Virginia, and Pennsylvania. 

 
Service and Supply Companies
Peaker Energy Group is a midstream project development and operations and marketing company focused exclusively on the transportation, handling, and marketing of liquid energy commodities.


 
Service and Supply Companies

Pegasus is a boutique non-destructive testing (NDT), inspection and engineering firm that specializes in developing quality control solutions.  Pegasus offers a range of services, including Ultrasonic Testing, Visual Inspection, Magnetic Particle Testing, and Penetrant Testing.

 

Pennsylvania General Energy is an oil- and gas-producing company based in Warren, Pennsylvania. Operating in the Appalachian Basin, PGE maintains oil and natural gas wells in both the Pennsylvania and New York areas.

 

The Pennsylvania Independent Oil and Gas Association (PIOGA) is a nonprofit trade association for members of the local oil and gas industries. PIOGA promotes the exchange of industry news and information, engages in local lobbying efforts, and provides a forum for industry networking. PIOGA is headquartered in Wexford, Pennsylvania.

 
Manufacturing Companies, Service and Supply Companies

Pentair Valves and Controls manufactures and markets valves, controls, and actuators for the oil, gas, mining, power, chemical, and construction industries. In addition to its manufacturing capabilities, Pentair also provides calibration, testing, diagnostic and repair, installation, and training services to its clients. Headquartered in Chicago, Illinois and Pasadena, Texas, Pentair has offices throughout the United States. 

 
Service and Supply Companies
Petrocare Marine Consultants, Inc. delivers a variety of specialized services including loss control-expediting services, operators and schedulers support, consultancy to oil companies, trading entities, ship owners/operators, and investment firms.


 
Petroleum Specialized Inspections is an independent specialized company providing professional consulting and inspection services, including ITP inspection; audit & commissioning; drops dropped object survey; environmental survey; predictive maintenance; thermographic survey; special survey; project services; and specialist service.


 
Service and Supply Companies

Petrospect is a Honolulu, Hawaii based inspection company serving the petroleum industry. Services offered include inspection, documentation and reconciliation of marine transfers of crude oils and petroleum products, as well as bunker deliveries, on-hire/off-hire surveys, pipeline transfers, cargo sampling, quality control, and loss control. 

 
Service and Supply Companies

Philadelphia Gear Corporation provides technical services to the energy, infrastructure, and defense industries. Focusing on gearing and power transmission systems, Philadelphia Gear Corporation offers such services as on-site technical support, inspections, repairs, upgrades, renewal parts, and new enclosed drives. Headquartered in King of Prussia, Pennsylvania, Philadelphia Gear Corporation has branches in Delaware, Alabama, Illinois, Texas, and California.

 
Manufacturing Companies, Service and Supply Companies

Philadelphia Mixing Solutions is a manufacturer of fluid mixing equipment located in Palmyra, Pennsylvania. In addition to manufacturing such equipment as aerators, agitators, and static mixers, Philadelphia Mixing Solutions provides training, inspection, and repair services.

 
Oil Companies, Service and Supply Companies

Phillips 66 is an integrated downstream services company, with expertise in midstream (transportation), chemicals, refining, and marketing. Phillips 66 is headquartered in Houston, Texas.

 
Service and Supply Companies

Phoenix Industrial provides construction-related services to the oil, gas, and petrochemical industries. Services offered include construction management, fabrication, modularization, and maintenance, among others. Phoenix Industrial serves western Canada, with offices in Edmonton, Niscu, and Whitecourt, Alberta.

 
Service and Supply Companies
Pilgrim Pipeline Holdings, LLC is currently developing an East Coast pipeline to carry refined petroleum products such as gasoline, diesel, heating oil, and jet and aviation fuel northbound from New York Harbor to Upstate New York. In addition, the pipeline will also carry crude oil from Albany, New York to refineries in PADD 1.


 
Service and Supply Companies

Pinnacle AIS provides asset integrity management systems for the oil and gas industries. Services include data management, circuitization, inspection planning and services, OSHA compliance, and engineering assessments, among others. Pinnacle is located in Pasadena, Texas.

 

Pioneer Natural Resources is an independent oil and gas company focused on helping meet the world’s energy needs through onshore exploration and production in the United States. Pioneer’s offices and operations are in Texas, Kansas, Colorado and Alaska.

 

Pipeline and Hazardous Materials Safety Administration (PHMSA) is an agency within the U.S. Department of Transportation. PHMSA's mission is to protect people and the environment from the risks inherent in transportation of hazardous materials by all modes of transportation.

 
Oil Companies, Service and Supply Companies

Plains All American Pipeline offers a complete range of pipeline services for crude oil and natural gas. For crude oil, services include transportation, storage, terminalling, and marketing. For liquid natural gas, services include processing, transportation, fractionation, storage, and marketing. Plains All American is headquartered in Houston, Texas.

 
Service and Supply Companies

Pond and Company is a provider of design and planning services for petroleum storage and distribution systems. Pond and Company is headquartered in Atlanta, Georgia, with offices across the United States.

 
Manufacturing Companies
POSCO is a supplier of alloys for use in fabrication of offshore structures, linepipe, OCTG, and pressure vessels.


 
Manufacturing Companies
POSCO is a supplier of alloys for use in fabrication of offshore structures, linepipe, OCTG, and pressure vessels.


 
Manufacturing Companies
Precise Energy Products, Inc. aims to offer high-quality equipment to the independent oilfield service companies. Precise manufacturers Cementing Units, Coiled Tubing Units, Injector Heads, Nitrogen Pumping Units, Truck Mounted Slickline Units and Truck Mounted Wireline Units. Precise can also provide other oilfield service equipment such as Frac Units, Twin Pumping Units, Blenders, Control Vans, and Transports.


 
Drilling Companies, Service and Supply Companies

Precision Drilling provides contract drilling, well servicing, and strategic support services to clients in the oil and gas industries. Precision Drilling is headquartered in Calgary, Alberta, Canada with worldwide operational capabilities.

 
Service and Supply Companies

Premiere, Inc., is an oilfield service company specializing in the safe and efficient delivery of casing and tubing services. Through the use of innovative equipment operated by qualified professionals, Premiere continues to set a high standard for the casing and tubular service industry. Premiere is headquartered in Houston, TX.

 
Manufacturing Companies, Service and Supply Companies

Primary Sourcing provides custom manufacturing services for clients in the oil, gas, aerospace, automotive, communications, and medical sectors. In the oil and gas sectors, Primary Sourcing specializes in turnkey downhole logging tools, electro/mechanical/hydraulic subassemblies, and custom printed circuit board assemblies. Services offered include equipment testing and repair as well as quality control. Primary Sourcing is located in Houston, Texas.

 
Service and Supply Companies

Prime Engineering, Inc. is a full-service consulting firm that offers fully integrated planning, surveying, engineering, architecture, and construction project approaches while concentrating on specific areas of expertise, such as municipal, site development, surveying, transportation, aviation, design-build, facilities, and industrial.


 
Service and Supply Companies
Prince Energy provides a comprehensive selection of high quality engineered materials and additives for the global energy market, from custom blends to lost circulation materials, engineered solutions for shale drilling to unconventional applications.


 
Service and Supply Companies

Project Consulting Services provides engineering, inspection, environmental, compliance, project management, and general consulting services to the energy industry. Headquartered in Metairie, Louisiana, Project Consulting Services has offices in Houston, Lafayette, Atlanta, Birmingham, North Hampton, and Batavia.

 
Service and Supply Companies

Proserv is a UK-based company that supplies technological systems and services to the energy sector. Specialties include drilling and production technology, subsea technology, test and calibration services, and infrastructure services, among others. Proserv's Americas division is headquartered in Houston, Texas.

 

Protec provides training and consulting services to professionals using information technology platforms in any industry. Operating out of office across the United States and Canada, Protec has a comprehensive range of training courses available to IT professionals. Protec is headquartered in Pittsburgh, Pennsylvania.

 
Service and Supply Companies

Provenance Consulting provides information management systems that can be used to track, monitor, and verify data pertaining to oil, gas, and chemical plant processes. Areas of expertise include process safety management, software implementation, and custom software development. Provenance Consulting is located in Borger, Texas.

 
Service and Supply Companies

Pruitt manufactures and distributes rotating control devices and other drilling tools for use in oilfield projects. With corporate headquarters in Fort Smith, Arkansas, Pruitt Tool and Supply Company also has operations in Wyoming, Texas, Louisiana, Oklahoma, Pennsylvania, and New York.

 
QEP Resources is an independent crude oil and natural gas exploration and production company with operations focused in two geographic regions: the Northern Region (primarily in Wyoming, North Dakota and Utah) and the Southern Region (primarily in Texas and Louisiana) of the United States.


 
QEP Resources is an independent crude oil and natural gas exploration and production company with operations focused in two geographic regions: the Northern Region (primarily in Wyoming, North Dakota and Utah) and the Southern Region (primarily in Texas and Louisiana) of the United States.


 
Service and Supply Companies

QualSpec is an industrial inspection firm headquartered in Houston with more than 1,000 employees across North America. QualSpec provides comprehensive inspection, nondestructive examination, rope access and advanced specialty services to industries ranging from petrochemical to manufacturing.

 
Service and Supply Companies

QuantityWare develops and supports quantity conversion solutions for liquid and gaseous bulk products, specifically for usage in ERP environments running with the SAP industry solution. QuantityWare has a presence in the US, Germany and Singapore.

 
Service and Supply Companies

Quest Integrity Group offers advanced inspection, engineering assessment, and consultative services to the oil and gas industries. Areas of expertise include refining, pipelines, and failure analysis, among other fields. Based in Seattle, Washington, Quest Integrity Group also has offices in Denver, Houston, Calgary, and other locations worldwide.

 
Manufacturing Companies, Service and Supply Companies

Quinn’s Energy Services is a full-service oilfield solutions provider offering pressure control equipment for purchase or rent. Quinn's Energy Services also offer equipment repair and maintenance, year round re-certifications and training.


 
Service and Supply Companies

Quorom Business Solutions offers software systems and services for administrative, operational, financial, and transactional functions within the oil and gas, natural resource, and renewable energy sectors. Headquartered in Houston, Texas, Quorom has offices in Calgary and Dallas.

 
Manufacturing Companies, Service and Supply Companies

R.T. Vanderbilt Company, Inc. manufactures and supplies over 60 types of chemicals to the rubber, plastics, and petroleum industries, among others. The company's chemical manufacturing plants are located in Connecticut and Kentucky, while its mining and mineral processing plants are located in New York, North Carolina, South Carolina, Nevada, Arizona, California and Kentucky. 

 
Service and Supply Companies

RCP, Inc. provides consultative services to the energy industry. Services offered include regulatory interpretation, compliance program development, integrity management, technical writing, and acquisition support. RCP is headquartered in Houston, Texas, with locations in Denver, Anchorage, Tulsa, Oklahoma City, Knoxville, Albuquerque, and Baton Rouge.

 
Manufacturing Companies

Rebellion Photonics sees and quantifies gas releases in real-time so that problems can be fixed before safety issues or environmental incidents occur.


 
Service and Supply Companies

Recon Engineering and Construction is a specialty construction company with expertise in refractory material installation and repair, lining designs, ASME Code welding for boilers and pressure vessels, crew supervision, and project management. Corporate headquarters are in Los Alamitos, California, with the construction shop located in Long Beach, California.

 
Service and Supply Companies

Redguard designs and constructs blast-resistant buildings for industrial use. Redguard has offices in Wichita, Kansas and in Calgary, Alberta, Canada.

 
Service and Supply Companies

Reinauer Transportation Companies specializes in the maritime transportation of petroleum and chemicals. Reinauer is active exclusively on the Atlantic coast of the United States, in the Gulf of Mexico, and in the Caribbean. Reinauer Transportation Companies has its headquarters in Staten Island, New York.

 
Oil Companies, Service and Supply Companies

Repsol is an international company that carries out upstream and downstream operations. Upstream activities include oil and natural gas exploration and extraction. Downstream activities include refining and marketing projects. Headquartered in Madrid, Spain, Repsol's United States branch is in The Woodlands, Texas. In North America, Repsol holds significant acreage in the Gulf of Mexico basin from which it currently produces and markets natural gas.

 

Riccardelli Consulting Services is a pipeline integrity contractor that provides quality assurance and process safety management services. This includes nondestructive examination (NDE) technical support for anomaly evaluation and in-line inspection (ILI) smart tool validation. Riccardelli Consulting Services operates out of Lehi, Utah.

 

Rigzone is an online job search, information, and professional development database for the professionals in the oil and gas industry. Rigzone has offices in Houston, London, Dubai, Singapore, Aberdeen, and Perth.

 
Service and Supply Companies

Rockford Corporation is a general contracting company specializing in industrial mechanical projects. This includes aboveground and underground pipe work for refineries, terminals and wastewater treatment plants. Rockford is headquartered in Anchorage, Alaska.

 
Service and Supply Companies

Rocky Mountain Fabricators is a general construction company located in Salt Lake City, Utah. The company specializes in plate steel structure design, engineering, fabrication, and field construction.

 
Service and Supply Companies

The Rosen Group is an inspection technologies, integrity management, production and research and development corporation. Rosen Group's products and services specific to the oil and gas industry include safe and reliable infrastructure operation services.

 
Drilling Companies, Service and Supply Companies

Rowan Companies provides contract drilling services to offshore project sites. Rowan Companies specializes in the ultra-deepwater and shallow water markets, with a fleet capable of operating worldwide. Headquartered in Houston, Texas, Rowan Companies also has offices in Scotland, the Kingdom of Saudi Arabia, and Malaysia. 

 
Manufacturing Companies, Service and Supply Companies

Roxtec, Inc. manufactures and markets sealing solutions for cables and pipes. Roxtec's USA headquarters are located in Tulsa, Oklahoma, with branches in Mexico and Brazil as well as throughout the world.

 
Manufacturing Companies
ROXUL Inc. is a subsidiary of ROCKWOOL International A/S, the world’s leading supplier of innovative products and systems based on stone wool. ROCKWOOL International A/S is a publicly held company, which trades on the NASDAQ OMX Nordic Exchange Copenhagen. ROXUL products provide superior thermal and acoustical value and are fire resistant, water repellent, non-corrosive, and resistant to mold.
 
Manufacturing Companies, Service and Supply Companies

Ruhrpumpen is a manufacturer and supplier of pumps to the oil, gas, water, power, chemical, and mining industries. Ruhrpumpen produces overhung, magnetic driven, between bearing, vertical, and fire pumps as well as a hydraulic decoking system. The company's United States headquarters are located in Tulsa, Oklahoma.

 
Manufacturing Companies
S&S Plating provides electroplated and coated parts, from small precision parts to large oil field equipment, to the oil field, power generation and automotive industries.


 
Service and Supply Companies

Safety-Kleen provides re-refining services and parts cleaning services to the oil and gas industries. The company offers a comprehensive range of environmental services, including hazardous and non-hazardous materials collection, processing, re-refining, recycling, and disposal. Headquartered in Dallas, Texas, Safety-Kleen operates from branches across the United States and Canada.

 
Service and Supply Companies

Saf-T Compliance International provides certified safety and compliance personnel to the drilling, production, pipeline, and industrial sectors. Saf-T employees inspect rigs, check for federal compliance and crew certifications, assist with project management and monitoring, and carry out training for client companies. Saf-T Compliance is located in McComb, Mississippi.

 
Service and Supply Companies

Saudi Refining, Inc. is located in Houston, Texas and owned by Aramco Services. Aramco provides upstream services (exploration and production), logistics and procurement (including contracting), industrial relations, and technical services to the oil industry.

 
Service and Supply Companies
Savant Measurement Corporation supplies high performance flow conditioners, acoustic filters, and consulting services to clients across the globe.


 
Service and Supply Companies

Saybolt, Inc., owned by Core Laboratories, provides laboratory analysis, field inspections, and monitoring and verification programs for oil companies. Core Laboratories is headquartered in Deer Park, Texas, with locations across the United States and abroad.

 
Manufacturing Companies
Scelerin Heaters LLC is a process fired heater engineering company that provides new API 560 and non API direct fired heaters as well as performance testing/studies, revamps to existing units, emergency response, WHRU’s, Infrared thermography and analysis, manufacturing and field installation.


 
Service and Supply Companies

Schlumberger, Ltd. is a service and supply company that caters exclusively to the oil and gas industries. Products and services range from directional drilling and well stimulation to information management and consulting. Corporate headquarters are located in Houston, Texas, Paris, France, and the Hague, the Netherlands. 

 
Service and Supply Companies

Schneider Electric specializes in energy efficient electrical systems and power generation. Specific areas of expertise include uninterrupted power supply, movement control, building automation, security, and smart grid infrastructure. Headquartered in France, Schneider Electric operates globally.

 
Service and Supply Companies

Schramm manufactures and supplies hydraulic drills, specifically, mobile, top-head hydraulic rotary drills, to the mining, energy, geothermal, and water industries. Schramm also provides maintenance, repair, and training services for its clients. Company headquarters are located in West Chester, Pennsylvania.

 
Drilling Companies, Service and Supply Companies

SDS Petroleum Consultants provides contract drilling and project completion services to clients in the oil industry. Services offered include project management, rig operations, drilling engineering, and location construction. SDS is based in Tyler, Texas.

 
Service and Supply Companies

Seabulk Tankers provides offshore marine services, inland river services, and shipping services to the oil and gas industry. Additionally, Seabulk provides marine transportation and logistics, petroleum storage and distribution, and shipping to the energy and agricultural industries. Seabulk Tankers is headquartered in Fort Lauderdale, Florida.

 
Seadrill Americas, Inc. operates as a deepwater drilling services contractor. Its products include drillships, semi- submersibles, jack ups, tender rigs, semi tenders, harsh environment units, and ultra deepwater units.


 
Oil Companies, Service and Supply Companies

SeaRiver Maritime is owned by ExxonMobile. SeaRiver provides maritime transportation services for crude oil in the Alaska-West Coast region.

 
Service and Supply Companies
Secure-NOK is a security specialist company focusing on the Oil & Gas market segment. The company provides products and solutions that detect and remove security attacks and events such as espionage, sabotage, malware and other harmful events in Oil & Gas installations, both onshore and offshore.


 
Service and Supply Companies
Secure-NOK is a security specialist company focusing on the Oil & Gas market segment. The company provides products and solutions that detect and remove security attacks and events such as espionage, sabotage, malware and other harmful events in Oil & Gas installations, both onshore and offshore.


 
Service and Supply Companies

SemGroup Corporation is a pipeline services company based in Tulsa, Oklahoma. SemGroup offers gathering, transportation, storage, processing, distribution, and marketing services to the midstream sector of the oil and natural gas industries. In addition to its headquarters, SemGroup has offices in Kansas, Alberta (Canada), Pembrokeshire (UK), and Tlaxcalancingo (Mexico).

 
Manufacturing Companies, Service and Supply Companies

Sentry Equipment Corp. manufactures and supplies sampling products (liquids, slurries, solids, powders/pellets), heat exchangers, water quality instrumentation and analyzers, odorant injection instrumentation (for natural gas extraction), and pipeline sampling products. As of 2010, Sentry Equipment Corp. expanded its products to focus on the natural gas industry. The company is headquartered in Oconomowoc, Wisconsin, with offices in Arizona, Colorado, Georgia, Kansas, Ohio, Texas, and West Virginia. 

 
Manufacturing Companies

Service King manufactures and supplies rigs and equipment for the oilfield industry. Located in Stroud, Oklahoma, Service King manufactures complete rigs as well as rig tools and individual parts.

 
Service and Supply Companies

SGS North America works with both the upstream and downstream sectors of the oil and gas industry to provide scientific services both in the laboratory and in the field. Upstream services include reservoir quality services, shale gas mineralogy, and XRD analysis. Downstream services include calibration services, facility audits, leaks detection, and maintenance. SGS North America is headquartered in Rutherford, New Jersey.

 
Service and Supply Companies
SGV International, LLC is a professional engineering and consulting firm providing integrated industrial IT, automation, and telecommunications solutions for the energy industry.


 

Shared Systems Technology provides contracting, engineering, maintenance, and repair services to the construction and power industries. Headquartered in Hanover, Maryland, Shared Systems Technology also has offices in Detroit, New York, Kansas City, Philadelphia, Pittsburgh, and San Francisco.

 
Oil Companies, Service and Supply Companies

Shell is an oil and gas producer, distributor, and marketer, as well as a producer of petrochemicals. In the United States, Shell has deepwater operations in the Gulf of Mexico and both upstream and downstream project sites throughout the country.

 
Service and Supply Companies

Sick manufactures sensors and creates sensor solutions for various industries. Headquartered in Germany, with locations in Houston, Texas and Minneapolis, Minnesota.

 

Siemens’ Operations Intelligence & Safety (OIS) business unit offers consulting services and solutions. Siemens’ portfolio includes conceptual design, process safety management, XHQ operations intelligence and engineering software solutions.

 
Service and Supply Companies

Siemens Water Solutions addresses water and wastewater needs of the oil and gas industry with a portfolio that includes physical and chemical separation, biological treatment, and complex hydrothermal technologies.

 
Service and Supply Companies

Sierra Services provides safety services to the oil and gas industry. Sierra’s main focus is H2S enriched areas, but the company also offers a wide array of safety services and products for the industry. Sierra Services is located in Jourdanton, TX.

 
Manufacturing Companies

Sivalls manufactures and provides field services for surface production equipment for the oil and gas industry. This equipment is used for both onshore and offshore project sites. Sivalls is headquartered in Odessa, Texas, with branches in Wyoming, New Mexico, Utah, and North Dakota.

 
Service and Supply Companies

Smith and Burgess is an engineering firm that specializes in Process Safety Management compliance for refinery and petrochemical facilities. The company is headquartered in Houston, Texas.

 

The Society for Exploration Geophysicists (SEG) is dedicated to the exchange of geophysics information and technology. The SEG provides members with access to conferences, training, education resources, professional development resources, and the latest in geophysics advancements.

 

The Society of Petroleum Engineers provides individual membership for professionals in the upstream oil and gas industry. Training, conferences, networking opportunities, and professional development activities are available to members.