Delek US Holdings' US petroleum business is a mix of refining, fuel marketing, and retail operations. The company, a subsidiary of Israeli-based conglomerate Delek Group, operates refineries in Tyler, Texas, and El Dorado, Arkansas with a total production capacity of 155,000 barrels per day. Delek US Holdings' marketing segment sells refined products on a wholesale basis in west Texas through company-owned and third-party operated terminals. On the retail side, its MAPCO Express unit (sold in 2016) managed almost 365 convenience store/gas stations (156 company operated) under MAPCO Express, East Coast, Discount Food Mart and other names in several southern US states.