MAPCO Express Inc. operates operate more than 440 retail fuel and convenience stores under the following brand names. Our stores market fuel under various brand names including BP, Shell, Conoco, Exxon, Chevron, and unbranded fuels as well. It is a wholly-owned subsidiary of Delek US Holdings, Inc. With headquarters in Brentwood, Tenn., Delek US operates 420 convenience stores in eight states under the MAPCO Express, MAPCO Mart, East Coast, Discount Food Mart, Fast Food and Fuel, Delta Express and Favorite Markets brand names. It is one of the largest company-operated convenience store chains in the United States, and one of the leading C-store operators in the Southeast.