Drilling companies
Drilling companies include NOV, Seadrill, Oil Search, Boart Longyear, Helmerich & Payne and 1424 other companies.
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Company Size
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Locations
Type of Company
NOV
HQHouston, TX, USEmployees33,676↑ 5% increaseNOV (formerly known as National Oilwell Varco) is a company specializing in the design, manufacture and sale of equipment and components used in oil and gas drilling.View companySeadrill
HQLondon, GBEmployees2,505↓ 3% decreaseSeadrill is a leading offshore deepwater drilling company.View companyOil Search
HQPort Moresby, PGOil Search is an oil and gas exploration and development company.View companyBoart Longyear
HQWest Valley City, UT, USEmployees5,314↑ 3% increaseBoart Longyear is a provider of mineral exploration drilling services.View companyHelmerich & Payne
HQTulsa, OK, USEmployees8,493↓ 14% decreaseHelmerich & Payne, Inc. is a contract drilling company which engaged primarily in the drilling of oil and gas wells for exploration.View companySLB
HQHouston, TX, USEmployees110,000SLB (also known as Schlumberger) is a technology company that provides digital solutions and technologies for the energy industry.View companyBaker Hughes
HQHouston, TX, USEmployees57,000↓ 2% decreaseBaker Hughes is a company that designs and manufactures energy technology products.View companyNexTier Oilfield Solutions
HQHouston, TX, USEmployees4,302↑ 29% increaseNexTier Oilfield Solutions is a land oilfield focused service company.View companyNewpark
HQThe Woodlands, TX, USEmployees1,540↓ 2% decreaseNewpark Resources is a provider of drilling fluids systems and composite matting systems used in oilfield and other commercial markets.View companyPhoenix Global Resources
HQLondon, GBEmployees68↑ 8% increasePhoenix Global Resources (PGR) is a provider of oil and gas exploration and development services.View companyNational Energy Services Reunited
HQHouston, TX, USEmployees5,581National Energy Services Reunited (NESR) is a provider of oilfield services.View companyHalliburton
HQHouston, TX, USEmployees48,000Halliburton is a company that provides products and services to the energy industry.View company