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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.
National Oilwell Varco (NYSE: NOV) is a worldwide leader in the design, manufacture and sale of equipment and components used in oil and gas drilling and production operations, and the provision of oilfield services to the oil and gas industry. Every day, more than 60,000 of the industry`s best minds put more than 150 years of experience to work to help our customers achieve lasting success. Our partnership with our customers has led to the innovation of some of the highest quality products on the market. Through our broad capabilities and vision, NOV`s family of companies is positioned and ready to serve the needs of this challenging, evolving industry. NOV has the technical expertise, advanced equipment and readily available support necessary for our customers` success.
Central Resources Inc is a Tupman, CA-based company in the Energy and Utilities sector.
Birch Resources is a privately held E&P company with assets in the prolific Permian Basin.
Frontier El Dorado Refining Company is a El Dorado, KS-based company in the Energy and Utilities sector.