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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.
CVR Refining is a Sugar Land, TX-based company in the Energy and Utilities sector.
Benchmark Directional Services is a Tallulah, LA-based company in the Energy and Utilities sector.
Mitchell Supreme Fuel Co is a Orange, NJ-based company in the Energy and Utilities sector.
M-I SWACO, A Schlumberger Company is a Houston, TX-based company in the Energy and Utilities sector.