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Devon Energy Corporation is a leading independent oil and natural gas exploration and production company. Devons operations are focused onshore in the United States and Canada. The companys portfolio of oil and gas properties provides stable, envi...
Diversified Drilling is a Missoula, MT-based company in the Energy and Utilities sector.
Marathon Oil Corporation (NYSE: MRO) is an integrated international energy company engaged in exploration and production, oil sands mining, integrated gas, and refining, marketing and transportation.