特索罗石油公司（Tesoro Corporation），公司综合石油勘探，天然气勘探，炼油业务区，仓储，销售石油和零售。

• 炼油厂
• 中国石化
• 离岸公司

Tesoro Corporation (NYSE: TSO aka: "Tesoro Petroleum", or simply as "Tesoro") is a Fortune 100 and a Fortune Global 500 company headquartered in Texas at San Antonio, with 2013 annual revenues of $37 billion, and over 5,700 employees worldwide.

Tesoro is an independent refiner and marketer of petroleum products, operating six refineries in the Western United States with a combined rated crude oil capacity of approximately 845,000 barrels (134,300 m) per day. Tesoro’s retail-marketing system includes over 2,264 branded retail gas stations, of which more than 595 are company-operated under its own Tesoro brandname, as well as Shell, ExxonMobil, ARCO, and USA Gasoline brands.