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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.
Export Drilling International is a Whittier, CA-based company in the Energy and Utilities sector.
Mattie Administrative Manageme is a Shreveport, LA-based company in the Energy and Utilities sector.
DDX Corp is a Englewood, CO-based company in the Energy and Utilities sector.