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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,
International Voice Messaging Systems is a North Salt Lake, UT-based company in the Energy and Utilities sector.
Retif Oil & Fuel is a Harvey, LA-based company in the Energy and Utilities sector.
Berry Petroleum Company, LLC is an independent privately-held energy Company engaged in the acquisition, exploration, development and production of domestic oil and natural gas reserves primarily located in the San Joaquin Basin in California, the Uinta Basin in Utah, the Piceance Basin in Colorado, and the East Texas Basin in Texas.
Stoneham Drilling Trust is a Calgary, AB-based company in the Energy & Utilities sector.