Tesoro Website

Tesoro Petroleum Corporation is a national company that has been engaged in petroleum exploration, production, refining and marketing for thirty years. It has three refineries located in Alaska, Hawaii, and
Washington, all of which are noted for their environmental performance.

The Anacortes Refinery produces high quality gasoline, diesel, jet, marine fuel, propane, and asphalt. We supply fuels and products to customers throughout the Northwest. This refinery is considered a medium sized facility and processes approximately 108,000 barrels of crude oil per day.

We provide quality jobs to 300 Tesoro employees and 150 contractors. Our expectation is to continue to make a positive difference in our community and Skagit County through safe, responsible and environmentally excellent performance.