Mapco Express is one of the largest company-operated convenience store chains in the United States. It is the retail segment of Delek US Holdings Inc., and serves more than half of the store locations in Tennessee. The retail fuel and convenience stores market unbranded fuels and branded fuels from Exxon, Shell and others, in addition to tobacco products, nonalcoholic beverages, beers, cigarettes, snacks, prepackaged food and more. Mapco Express also offers state sanctioned lottery games, financial services/money orders, and quick service restaurants. Additionally, it features a variety of proprietary foods, such as fried chicken, breakfast biscuits and deli sandwiches.