Delek US Holdings, Inc. is an integrated energy business focused on petroleum refining, the transportation, storage and wholesale of crude oil, intermediate and refined products and convenience store retailing. The Company operates through three segments: Refining, Logistics and Retail. Its Refining Segment operates independent refineries in Tyler, Texas, and El Dorado, Arkansas with a combined design crude distillation capacity of approximately 155,000 barrels per day (bpd). The Logistics Segment gathers, transports and stores crude oil and markets, distributes, transports and stores refined products in select regions of the southeastern United States and west Texas for both its refining segment and third parties. Its Retail Segment markets gasoline, diesel, other refined petroleum products and convenience merchandise through a network of over 360 Company-operated retail fuel and convenience stores located in Alabama, Arkansas, Georgia, Kentucky, Mississippi, Tennessee and Virginia.