Tesoro Petroleum engages in refining and marketing petroleum products in the United States. It operates in two segments, Refining and Retail. The Refining segment produces refined products, including gasoline and gasoline blendstocks, jet fuel, diesel fuel, and heavy fuel oils for sale to commercial customers in the western and mid-continental United States. This segment also manufactures liquefied petroleum gas, petroleum coke, and asphalt. As of December 31, 2007, the company operated 7 refineries with a combined capacity of approximately 658,000 barrels per day. The Retail segment sells gasoline and diesel fuel through company-operated retail stations and third-party branded jobber/dealers in the western and mid-continental United States to wholesale and retail customers, as well as commercial end-users. Its retail-marketing system included 911 branded retail stations operated under the brands Tesoro, Shell, Mirastar, and USA Gasoline. The company was founded in 1968 as Tesoro Petroleum Corp and changed its name to Tesoro Corporation in November 2004. Tesoro Corporation is based in San Antonio, Texas.
300 Concord Plaza Drive
San Antonio, TX 78216
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