Valero Headquarters in San Antonio, Texas and has more than 9,900 employees, with approximately 400 at the Benicia venue.

San Antonio-based Valero Energy Corp. said Wednesday it may close its refinery in Benicia, Calif., an announcement that comes six months after California air quality regulators handed the San ...

BENICIA, Calif. (KGO) -- A major Bay Area oil refinery has announced it plans to close or restructure its operations by next year. Valero says by April 2026, its Benicia refinery will be shut down.