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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.
Dittmer Concrete Inc is a West Fargo, ND-based company in the Energy and Utilities sector.
Bayou City Exploration is a Houston, TX-based company in the Energy and Utilities sector.
Dolan Directional Drilling Inc is a Keller, TX-based company in the Energy and Utilities sector.
MFA Oil is an energy cooperative started in 1929 by the Missouri Farmers Association. It produces fuel and lubrication products and manages bulk petroleum and propane plants in the Central US.