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At Tesoro, we value the relationships we develop with our customers, the performance we deliver for our shareholders and the responsibility we hold for our communities.
Corporate Information Industry News/Information Employment Opportunities
Act Tesoro
Visit Act Tesoro to learn how proposed environmental regulations may affect you.
Whether you're taking a trip or interested in our refineries you can find us just around the corner.
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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.