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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.
rinehart oil inc is a Ukiah, CA-based company in the Energy and Utilities sector.
Strata Directional Technology Inc is a Houston, TX-based company in the Energy and Utilities sector.
Hollberg Co is a Englewood, CO-based company in the Energy and Utilities sector.
Galen E. Wilson Petroleum Company is a Saginaw, MI-based company in the Energy and Utilities sector.