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Diversified Energy Company plc, formerly Diversified Gas & Oil plc, is a gas and oil production company operating in the Appalachian Basin in the United States.
Fairway Minerals Co is a Tulsa, OK-based company in the Energy and Utilities sector.
Pro Drill Oilfiled Services Ltd. is a Edmonton, AB-based company in the Energy and Utilities sector.
Tripower Resources Inc is a Ardmore, OK-based company in the Energy and Utilities sector.
MFA Oil is an energy cooperative started in 1929 by the Missouri Farmers Association. It produces fuel and lubrication products and manages bulk petroleum and propane plants in the Central US.