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PetroLegacy Energy is an exploration and production company based in Austin, Texas.
F K G Oil Company is a Belleville, IL-based company in the Energy & Utilities sector.
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.
Perfection Oil Co. is a Dubuque, IA-based company in the Energy and Utilities sector.