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Perry Oil Co Inc is a Hazard, KY-based company in the Energy and Utilities sector.
Tricor Refining is a Bakersfield, CA-based company in the Energy and Utilities sector.
Delta Western is a Seattle, WA-based company in the Energy and Utilities sector.
Marathon Oil Corporation (NYSE: MRO) is an independent international exploration and production company. Based in Houston, Texas, Marathon Oil had net proved reserves at the end of 2011 of 1.8 billion barrels of oil equivalent in North America, Europe and Africa.
Northern Oil and Gas, Inc. (NYSE: NOG) is a company with a primary strategy of investing in non-operated minority working and mineral interests in oil & gas properties, with a core area of focus in the premier basins within the United States. Northern is the largest publicly traded non-operated exploration and production company.