Delek US Holdings (NYSE: DK) is a leading diversified downstream energy company with operations in three primary business segments: petroleum refining, marketing & supply and retail.

The Refining segment operates a 60,000 barrel-per-day refinery in Tyler, Texas and an 80,000 barrel-per-day refinery in El Dorado, Arkansas.

The Marketing & Supply segment transports and sells refined products on a wholesale basis in through company-owned and third-party operated terminals.

The Retail segment markets gasoline, diesel and other refined products through a network of approximately 384 company-operated fuel and convenience stores located in seven states under a number of regional brands, including the MAPCO Express®, MAPCO Mart®, East Coast®, Fast Food and Fuel™, Favorite Markets®, Delta Express® and Discount Food Mart™ brand names.