| Name | Title | Contact Details |
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F K G Oil Company is a Belleville, IL-based company in the Energy & 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.
Citation Oil & Gas Corp. is one of the leading companies in the Energy & Utilities sector.
Expro is an international oil and gas service company, specializing in well flow management, headquartered in Reading, United Kingdom.
Armada Oil & Gas is a Dearborn, MI-based company in the Energy and Utilities sector.