Valero A Fortune 500 company Valero Energy Corporation of San Antonio, Texas is one of the top U.S. refining companies, with a throughput capacity of approximately 2.5 million barrels per day.
Valero has long been recognized throughout the industry as a leader in the production of premium, environmentally clean products, such as reformulated gasoline, California Air Resources Board (CARB) Phase II gasoline, low-sulfur diesel and oxygenates.
There are approximatley 4,700 retail sites branded as Valero or Shamrock, with Valero serving as the company's main brand. It markets on a retail and wholesale basis through a bulk and rack marketing network in 40 U.S. States, Canada, Latin America and the Caribbean.