Western Refining, Inc. is an independent crude oil refiner and marketer of refined products. The Company operates through segments, including refining, Western Refining Logistics, LP (WNRL), retail and Other. As of December 31, 2016, the refining segment owned and operated three refineries that process crude oil and other feedstocks primarily into gasoline, diesel fuel, jet fuel and asphalt. The refining segment also sells refined products in the Mid-Atlantic region and Mexico. WNRL owns and operates terminal, storage, transportation and wholesale assets in the Southwest and terminal and storage assets in the Upper Great Plains region. The retail segment operates retail convenience stores and unmanned commercial fleet fueling (cardlock) locations located in the Southwest (Southwest Retail) and Upper Great Plains (SuperAmerica) regions. It markets refined products to a customer base, including wholesale distributors and retail chains.