We operate 10 refineries in the western United States with a combined capacity of approximately 1.2 million barrels per day.


Powered by the deep engineering expertise of our workforce, these highly advanced facilities refine crude oil and feedstocks into the transportation fuels and other petroleum products that help drive the markets we serve.


At our refineries – and everywhere we do business – we strive to achieve our ultimate goal of an incident-free workplace - for ourselves, for the families that sustain us and for the communities that surround us. We continually evaluate and invest in technologies and systems to support safe, reliable and clean operations, and we are tireless in our efforts to deliver excellent service to our customers and foster mutually beneficial relationships in the communities where we operate.





Crude Oil Capacity: 72,000 bpd

Employees: 225

Fast Fact: Andeavor's, formerly Tesoro's first refinery.


Los Angeles

Crude Oil Capacity: 380,000 bpd

Employees: 1,450

Fast Fact: As one of the largest refineries on the West Coast, supplies 50 percent of jet fuel used by Los Angeles International Airport.



Crude Oil Capacity: 166,000 bpd

Employees: 650

Fast Fact: Second largest refinery in Northern California.


St. Paul Park

Crude Oil Capacity: 102,000 bpd

Employees: 411

Fast Fact: Complex and strategically located refinery.

New Mexico


Crude Oil Capacity: 25,000 bpd

Employees: 230

Fast Fact: Only active refinery in the Four Corners area.

North Dakota


Crude Oil Capacity: 20,000 bpd

Employees: 80

Fast Fact: First new refinery to be built in the U.S. in over 30 years.

North Dakota


Crude Oil Capacity: 74,000 bpd

Employees: 250

Fast Fact: Only full slate refinery operating in North Dakota.


El Paso

Crude Oil Capacity: 135,000 bpd

Employees: 473

Fast Fact: Originally two facilities combined in 1993.


Salt Lake City

Crude Oil Capacity: 63,000 bpd

Employees: 250

Fast Fact: Largest refinery in Utah.



Crude Oil Capacity: 120,000 bpd

Employees: 425

Fast Fact: First facility on the West Coast to receive cost-advantaged Bakken shale oil by unit train.


Our refineries are supplied by domestic feedstocks, which include sources in Alaska, California, Colorado, New Mexico, North Dakota, Texas, Utah and Wyoming, and from foreign feedstocks that include Canada, South America, West Africa and other foreign crudes.



Petroleum products refined at our facilities include: CARB and conventional gasoline, CARB and conventional diesel fuels, jet fuel, heavy fuel oils, liquefied petroleum gas, fuel gases, asphalt, propane, propylene, petroleum coke and calcined coke.