Speedway SuperAmerica LLC is a gasoline-convenience store company. The parent company of Speedway SuperAmerica LLC is Marathon Ashland Petroleum LLC, which is 62% owned by Marathon Oil Company and 38% owned by Ashland Inc. With headquarters in Enon, Ohio, located near Dayton, Speedway SuperAmerica LLC has a large concentration of stores throughout the Midwest United States. The company's strategy is to continue to expand and improve facilities predominantly within this marketing area.
With over 1,700 stores, Speedway SuperAmerica LLC ranks as one of the largest chains of company-owned and operated gasoline and convenience stores.