Valero Energy Corporation, incorporated in 1981, owns and operates 16 refineries located in the United States, Canada, and Aruba that produce conventional gasolines, distillates, jet fuel, asphalt, petrochemicals, lubricants, and other refined products, as well as a slate of premium products, including conventional blendstock for oxygenate blending (CBOB) and reformulated gasoline blendstock for oxygenate blending (RBOB). The Company markets refined products on a wholesale basis in the United States and Canada through bulk and rack marketing network. It also sells refined products through a network of about 5,800 retail and wholesale branded outlets in the United States, Canada, and Aruba. The Company operates through two segments: refining and retail.