Aztec Engineering is a versatile drilling contractor based in Thailand, offering services in water wells, mineral exploration, geotechnical investigations, seismic surveys, geophysical logging, aquifer testing, pump installation, well maintenance, and packer testing.
Diamond Offshore Drilling, Inc. is a leading deepwater drilling contractor operating one of the largest fleets of offshore drilling units worldwide, including semisubmersibles, jack-ups, and a dynamically positioned drillship.
ENSCO International Incorporated is a leading offshore oil and gas drilling contractor operating a large fleet of premium jackup rigs, servicing domestic and international markets from its base in Dallas, Texas.
Helmerich & Payne, Inc. is a leading global contract drilling contractor specializing in land and offshore platform drilling for oil and gas exploration and production companies.
The International Association of Drilling Contractors (IADC) is a non-profit trade association and global leader in advancing the drilling industry, recognized worldwide for its accreditation programs and industry training.
The International Association of Drilling Contractors (IADC) is a global non-profit trade association advancing the oil and gas drilling industry through knowledge sharing, accreditation, and training programs.
Ocean Rig UDW Inc. is an international offshore drilling contractor specializing in ultra-deepwater and harsh-environment offshore drilling, owning and operating ultra deepwater semisubmersible rigs and drillships.
Pride International, Inc., headquartered in Houston, Texas, is one of the world's largest drilling contractors providing contract drilling and related services to oil and gas companies worldwide.
East Tullos, Aberdeen, United KingdomUpdated Jul 2006
Stena Drilling is an independent offshore drilling contractor specializing in ultra-deepwater drillships and semisubmersibles, focusing on safety, innovation, and operational excellence.
East Tullos, Aberdeen, United KingdomUpdated Jul 2005
Stena Drilling Ltd is a leading independent offshore drilling contractor specializing in ultra-deepwater drillships and managed pressure drilling operations with a focus on safety, innovation, and sustainability.