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Charles Wolf and Sons Inc is a New York, NY-based company in the Energy and Utilities sector.
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.
Avalon Petroleum is a Antioch, IL-based company in the Energy and Utilities sector.
Oilfield Water Logistics (OWL) provides midstream water infrastructure and services to the energy industry in Texas, New Mexico, Colorado, Utah and Wyoming, with offices in Midland, Denver and Dallas. OWL is an established leader in the Permian Basin and owns and operates the largest commercial produced water gathering system in the northern Delaware and Lea County, New Mexico.
Spencer Oil Company is a Roseville, MI-based company in the Energy and Utilities sector.