What is Tesoro Corporation?

Tesoro Corporation is an American petroleum refining and marketing company. With a rich history dating back over 100 years, Tesoro operates as one of the largest independent petroleum refiners in the United States. Our primary focus is on refining crude oil and distributing refined products to retail and wholesale markets. Our refining facilities are strategically located in key regions across the country, allowing us to efficiently process and deliver energy products to meet diverse customer needs. In addition, Tesoro owns and operates a network of over 2,500 retail stations under various well-known brand names. Committed to sustainability, safety, and community engagement, Tesoro Corporation plays a vital role in ensuring the reliable supply of transportation fuels and other essential energy products throughout the nation.