Tesoro Corporation Customer Service
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About Tesoro Corporation
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Tesoro Corporation specializes in petroleum products being an independent marketer and refiner. The company was founded by Dr. Robert V. West Jr in 1968. Its headquarters is based in San Antonio, Texas, USA. Tesoro Corporation has refineries in Anacortes (Washington), Kenai (Alaska), Los Angeles (California), Martinez (California), and Salt Lake City (Utah). There are more than 590 company operated locations and over 2200 retail gas stations across the United States and Canada. Tesoro Corporation offers support programs to branded marketers. Customers can use gallons for grades, fleet cards, and gift cards as the bonuses when purchasing Tesoro products. Available payment option is Electronic Funds Transfer.
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