Western Refining, Inc. operates as an independent crude oil refiner and marketer of refined products. The company operates in three segments: Refining Group, Wholesale Group, and Retail Group. The Refining Group segment operates two refineries in Texas and Mexico; two stand-alone refined product distribution terminals in New Mexico; and four asphalt terminals in Arizona, Texas, and New Mexico, as well as operates crude oil transportation and gathering pipeline system in New Mexico. It refines various grades of gasoline, diesel fuel, jet fuel, and other products from crude oil, other feed stocks, and blending components; and acquires refined products through exchange agreements and from various third-party suppliers. This segment sells its products through its wholesale group and service stations, independent wholesalers and retailers, commercial accounts, and sales and exchanges with oil companies. The Wholesale Group segment distributes commercial wholesale petroleum products primarily in Arizona, California, Colorado, Nevada, New Mexico, Texas, Utah, Virginia, and Maryland for retail fuel distributors, as well as for the mining, construction, utility, manufacturing, transportation, aviation, and agricultural industries. The Retail Group segment operates service stations, which include convenience stores or kiosks that sell various grades of gasoline, diesel fuel, general merchandise, and beverage and food products to the general public. As of February 24, 2012, the company operated 210 service stations with convenience stores or kiosks under the Giant, Mustang, Sundial, and Howdy's brand names in Arizona, New Mexico, Colorado, and Texas; and a fleet of crude oil and refined product truck transports. The company was formerly known as Western Refining Company, L.P. and changed its name to Western Refining, Inc. on September 16, 2005. Western Refining, Inc. was founded in 1993 and is headquartered in El Paso, Texas.