Valero Energy Corporation is a major integrated energy company based in San Antonio, Texas. Established in 1980, Valero has grown to become the largest independent petroleum refiner in the United States and a leading producer of renewable fuels in North America. The company operates a network of petroleum refineries and ethanol plants, producing a variety of fuels and petrochemical products, including gasoline, diesel, jet fuel, asphalt, and renewable fuels like ethanol and biodiesel.

Valero's operations extend across the U.S., Canada, the U.K., and Ireland, supported by a strong retail presence. In Mexico, Valero supplies branded fuel to approximately 260 gas stations. The company has expanded significantly through acquisitions, enhancing its refining capacity and establishing a broad operational footprint. Valero serves a diverse customer base, including retail consumers and commercial clients in various sectors, ensuring a steady supply of refined petroleum products and renewable fuels.