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Top 20 Oil & Gas Exploration & Services Companies in US.

Schlumberger Limited

www.slb.com

Houston,  Texas,  United States 77056 (Map)

100,000 Employees

Schlumberger is the world's leading supplier of technology, integrated project management and information solutions to customers working in the oil and gas industry worldwide. Employing approximately 93,000 people representing over 140 nationalities and working in more tha... more

Halliburton Company

www.halliburton.com

Houston,  Texas,  United States 77032 (Map)

50,000 Employees

Founded in 1919, Halliburton is one of the world's largest providers of products and services to the energy industry. With approximately 50,000 employees, representing 140 nationalities and operations in approximately 70 countries, the company serves the upstream oil and g... more

National Oilwell Varco Inc

www.nov.com

Houston,  Texas,  United States 77036 (Map)

36,627 Employees

National Oilwell Varco (NYSE: NOV) is a leading provider of technology, equipment, and services to the global oil and gas industry. NOV has been pioneering innovations that improve the cost-effectiveness, efficiency, safety, and environmental impact of oil and gas operatio... more

Baker Hughes Inc.

www.bakerhughes.com

Houston,  Texas,  United States 77019 (Map)

33,000 Employees

Baker Hughes is a leading supplier of oilfield services, products, technology and systems to the worldwide oil and natural gas industry. The Company's 34,000 employees today work in more than 80 countries helping customers find, evaluate, drill, produce, transport and proc... more

Weatherford International Ltd

www.weatherford.com

Houston,  Texas,  United States 77027 (Map)

30,000 Employees

Weatherford is one of the largest multinational oilfield service companies providing innovative solutions, technology and services to the oil and gas industry. The Company operates in over 100 countries and has a network of approximately 1,000 locations, including manufact... more

Quanta Services , Inc.

www.quantaservices.com

Houston,  Texas,  United States 77056 (Map)

28,100 Employees

Quanta Services is a leading specialized contracting services company, delivering infrastructure solutions for the electric power, oil and gas and communications industries. Quanta's comprehensive services include designing, installing, repairing and maintaining energy and... more

Cameron

www.c-a-m.com

Houston,  Texas,  United States 77027 (Map)

23,000 Employees

Cameron is a leading provider of flow equipment products, systems and services to worldwide oil, gas and process industries. Leveraging its global manufacturing, engineering and sales and service network, Cameron works with drilling contractors, oil & gas producers, pi... more

Brand Energy & Infrastructure Services Inc

www.beis.com

Kennesaw,  Georgia,  United States 30152 (Map)

15,000 Employees

Brand Energy and Infrastructure Services is a premier provider of integrated specialty services to the global energy, industrial and infrastructure markets. Its extensive portfolio of specialized industrial service offerings includes cathodic protection, work access, coat... more

Nabors Industries Ltd

www.nabors.com

Houston,  Texas,  United States 77067 (Map)

13,000 Employees

Nabors Industries (NYSE: NBR) owns and operates the world's largest land-based drilling rig fleet and is a leading provider of offshore platform rigs in the United States and numerous international markets. Nabors also provides directional drilling services, performance to... more

McDermott International , Inc.

www.mcdermott.com

Houston,  Texas,  United States 77079 (Map)

12,400 Employees

McDermott is a leading provider of integrated engineering, procurement, construction and installation (EPCI) services for upstream field developments worldwide. The Company delivers fixed and floating production facilities, pipelines and subsea systems from concept to com... more

Kinder Morgan , Inc.

www.kindermorgan.com

Houston,  Texas,  United States 77002 (Map)

11,121 Employees

Kinder Morgan, Inc. (NYSE: KMI) is one of the largest energy infrastructure companies in North America. It owns an interest in or operates approximately 84,000 miles of pipelines and 155 terminals. The company's pipelines transport natural gas, gasoline, crude oil, CO2 and... more

Oceaneering International Inc

www.oceaneering.com

Houston,  Texas,  United States 77041 (Map)

11,000 Employees

Oceaneering is a global provider of engineered services and products, primarily to the offshore oil and gas industry, with a focus on deepwater applications. ¬†Through the use of its applied technology expertise, Oceaneering also serves the defense, entertainment, and aero... more

Pathfinder Energy Services

www.smith.com

Lafayette,  Louisiana,  United States 70508 (Map)

10,001 Employees

Talisman Energy USA Inc

www.talismanusa.com

Horseheads,  New York,  United States 14845 (Map)

10,001 Employees

Talisman Energy USA Inc. is an upstream oil and gas production company; an indirect, wholly owned subsidiary of Calgary, Alberta-based Talisman Energy, Inc. - and one of North America's largest independent producers of natural gas. Talisman and its subsidiaries are commi... more

John Chance Land Surveys Inc

www.jchance.com

Lafayette,  Louisiana,  United States 70506 (Map)

10,001 Employees

John Chance Land Surveys, Inc. was founded in 1957 as John E. Chance and Associates, a Lafayette-based survey firm supporting the oil and gas industry. In 1992, Chance sold the company to Fugro, a worldwide leader in survey, geotechnical, and geospatial services. Based in ... more

Nalco Champion

www.nalcochampion.com

Sugar Land,  Texas,  United States 77478 (Map)

10,001 Employees

Weatherford Laboratories

www.weatherfordlabs.com

Houston,  Texas,  United States 77086 (Map)

10,001 Employees

At Weatherford Laboratories, we are committed to Higher Standards. Our accomplishments include 50 new technologies, 45 original products, 35 industry awards, and 13 registered patents. We count 3 Distinguished Lecturers among us and we can claim some 982 technical papers o... more

BOURBON SA

www.bourbon-online.com

Houston,  Texas,  United States 77002 (Map)

10,001 Employees

BJ Services Company

www.bjservices.com

Tomball,  Texas,  United States 77375 (Map)

10,001 Employees

BJ Services is a leading North American provider of pressure pumping services and is headquartered in Tomball, TX. For more information about BJ Services, visit: www.bjservices.com. ... more

Smith International Inc

www.smith.com

Houston,  Texas,  United States 77205 (Map)

10,001 Employees

Smith International, Inc. is a leading worldwide supplier of premium products and services to the oil and gas exploration and production industry, the petrochemical industry and other industrial markets operating through four business units, M-I SWACO, Smith Technologies, ... more

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