Tesoro Corporation
  • Tesoro Corporation

  • Country: United States
  • Type: Commercial
  • Website: tsocorp.com
  • Update: 05-01

Tesoro Corporation (Tesoro) is an American oil company headquartered in San Antonio, Texas.Tesoro is primarily engaged in the business of refining petroleum and marketing petroleum products, and was ranked 348th on the 2013 Fortune 500 list.

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