Parker Drilling Company (Parker) is a provider of contract drilling and drilling-related services.
Baker Hughes is an energy technology company providing solutions for energy and industrial customers.
Cabot Oil & Gas Corporation is an independent North American natural gas producer.
McDermott is a provider of engineering, procurement, construction and installation and technology solutions to the energy industry.
Noble Energy is an independent oil and natural gas exploration and production company.
Apache Corporation is an independent energy company that explores, develops and produces natural gas, crude oil and natural gas liquids.
Kinder Morgan is the largest energy infrastructure company in North America.
ConocoPhillips is an independent exploration and production company focused on proven reserves and production of liquid and natural gas.
Carbo Ceramics provides products and services to the oil and gas, and industrial markets.
Plains All American Pipeline is engaged in the transportation, storage, terminalling and marketing of crude oil.
Advanced gasification technology company creating value through the efficient and economical conversion of low quality, low cost feedstocks.
Archrock is the provider of natural gas contract compression services to customers throughout the United States.