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GS Drilling is a Bakersfield, CA-based company in the Energy and Utilities sector.
Navitas Petroleum is a publicly traded partnership with a strong focus on exploring and producing oil and natural gas throughout the Gulf of Mexico and North America.
Innospec Inc., formerly known as Octel Corporation and Associated Octel Company, Ltd.,
Oil Optimization Inc is a Canadian listed international oil and gas company focused on discovering hydrocarbons on its petroleum concession onshore Thailand.
Patterson-UTI Energy, Inc. is a provider of contract drilling business. It operates primarily in Texas, New Mexico, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, Colorado, Arizona, Utah, Wyoming, Montana, North Dakota, South Dakota, Pennsylvania,