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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 Offshore Ltd is a Norway-based company that is engaged in the provision of offshore contract drilling equipment and operating services for offshore oil and gas operators. Northern Offshore owns and operates one floating production facility, one
CITGO Petroleum Corporation, a Delaware corporation with headquarters in Houston, refines, markets and transports gasoline, diesel fuel, jet fuel, lubricants, petrochemicals, and other petroleum-based industrial products. CITGO has more 3,500 employees and is owned by PDV America, Inc., an indirect, wholly owned subsidiary of Petróleos de Venezuela, S.A. (PDVSA), the national oil company of the Bolivarian Republic of Venezuela. CITGO owns and operates three highly complex crude oil refineries located in Lake Charles, La., Lemont, Ill., and Corpus Christi, Texas. The company`s combined aggregate crude oil refining capacity of 749,000-bpd positions it as one of the largest refiners in the nation. The company owns and/or operates 48 petroleum product terminals, one of the largest networks in the country. The company markets motor fuels to independent marketers who consistently rate CITGO as one of the best branded supplier companies in the industry. CITGO branded marketers sell motor fuels through approximately 6,500 branded retail outlets. CITGO markets jet fuel directly to airlines and produces a variety of agricultural, automotive, industrial and private label lubricants to independent distributors, mass marketers and industrial customers as well as other clients. In addition, the company sells petrochemicals and industrial products directly to various manufacturers and industrial companies throughout the United States.
Wolch is a Calgary, AB-based company in the Energy & Utilities sector.