Ashland Oil Inc, 2704 Lock Ave, Catlettsburg, KY 41129, US

Marathon Oil Corporation is an international energy company that in engaged in exploration and production activities. It is one of the largest oil companies in the United States. The corporation offers a range of refining, marketing, transportation and oil sand mining services Marathon Oil Corporation conducts operations in Canada, Indonesia and the United Kingdom. It is a publicly traded corporation that maintains more than 6,200 locations in over 15 U.S. states. The corporation operates a wholly owned retail marketing subsidiary, Speedway SuperAmerica. Marathon Oil Corporation holds interests in the Athabasca Oil Sands Project in Alberta, Canada. The corporation also provides lubricants and petrochemical and asphalt products.