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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,
Innova Exploration Ltd. is a Calgary, AB-based company in the Energy & Utilities sector.
Heavy Co is a Lincoln, NE-based company in the Energy and Utilities sector.
General Petroleum is a Fort Wayne, IN-based company in the Energy & Utilities sector.
Mudlogging Co is a Houston, TX-based company in the Energy & Utilities sector.