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Our vision is to be the premier low-cost supplier of transportation fuels in our markets, providing value for our customers while delivering industry leading returns for our shareholders and conducting ourselves responsibly in the communities in which we operate. Our Strategies
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Whether you're taking a trip or interested in our refineries you can find us just around the corner.
2012 Collective Bargaining Process
In Spanish, Tesoro means treasure. Our culture is driven by outstanding employees who are dedicated to creating one of the best refining and marketing companies in the industry.