Rubuta ci gaba don wannan sakin layi - An kirkiro Valero ne a ranar 1 ga Janairu, 1980, a matsayin magajin Kamfanin Gas na Coastal States Gas, LoVaca Gathering Company. Valero ya karɓi ayyukan iskar gas na Kamfanin Tattara LoVaca, daga baya aka sake masa suna Kamfanin Watsa Valero. Sunan Valero ya fito ne daga "Mission San Antonio de Valero", asalin sunan Alamo
Ka yi haƙuri. Valero ya sayi Kamfanin Corpus Christi Marine Services Company ("CCMS"), karamin kamfanin jirgin ruwa a Corpus Christi, Texas a watan Afrilu 1981 lokacin da ya sayi hannun jari a Saber Energy Inc. na Houston. A watan Mayu na 1985, an haifi Kamfanin Valero Refining and Marketing Company daga reshen Valero, Saber Energy, Inc.