Tesoro Corporation, headquartered in San Antonio, Texas, is a Fortune 150 and a Global 500 company with approximately 5,500 employees.

As a leading independent refiner and marketer of petroleum products, Tesoro, through its subsidiaries, operates seven refineries primarily in the western United States with a combined crude oil capacity of approximately 660,000 barrels per day (bpd). The seven refineries are located in:


* Anacortes,Wash.
* Mandan, N.D.
* Kapolei, Hawaii

* Martinez, Calif.
* Kenai,Alaska
* Salt Lake City, Utah

* Wilmington, California


Tesoro's retail marketing system includes over 900 branded retail stations, of which more than 445 are company operated under the Tesoro®, Shell®, Mirastar® and USA Gasoline™ brands. Tesoro's commercial marketing system includes sales of jet and marine fuels.