Western Refining, Inc. operates as an independent crude oil refiner and marketer of refined products. It operates through three segments: Refining, WNRL, and Retail. The Refining segment owns and operates three refineries that process crude oil and other feedstocks primarily into gasoline, diesel fuel, jet fuel, and asphalt; and sells refined products in the Mid-Atlantic region and Mexico. It markets refined products to wholesale distributors and retail chains. The WNRL segment owns and operates terminal, storage, transportation, and wholesale assets, including a fleet of crude oil, asphalt, refined product, and lubricant delivery trucks. It also distributes commercial wholesale petroleum products primarily in Arizona, Colorado, Nevada, New Mexico, and Texas. This segment serves retail fuel distributors; and the mining, construction, utility, manufacturing, transportation, aviation, and agricultural industries. The Retail segment operates retail convenience stores that sell gasoline, diesel fuel, and convenience store merchandise; and unmanned commercial fleet fueling locations located in the Southwest and Upper Great Plains regions. As of December 31, 2016, this segment operated 259 retail stores under the Giant, Western, Western Express, Howdy's, and Mustang brand names in Arizona, Colorado, New Mexico, and Texas; and 51 cardlocks located in Arizona, Colorado, New Mexico, and Texas. It also operates 170 retail convenience stores under the SuperAmerica brand, as well as supports the operations of 115 franchised retail convenience stores primarily in Minnesota and Wisconsin. In addition, this segment owns and operates SuperMom's Bakery that prepares and distributes baked goods and other prepared items. Western Refining, Inc. was founded in 1993 and is headquartered in El Paso, Texas.