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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.
IGS is a supplier of commercial and residential natural gas and electricity, as well as solar energy, combined heat and power, commercial lighting solutions, and compressed natural gas services. Learn more about IGS commercial and residential offerings.
Kiffmeyer Inc is a Minneapolis, MN-based company in the Energy & Utilities sector.
Copano Energy, L.L.C. is an energy company engaged in the business of providing midstream services to natural gas producers, including natural gas gathering, compression, dehydration, treating, transportation, processing, conditioning and fractionation
Unioil is a Evans, CO-based company in the Energy and Utilities sector.