Valero Headquarters in San Antonio, Texas and has more than 9,900 employees, with approximately 400 at the Benicia venue. That refinery has a throughput capacity of 170,000 barrels per day, ...

CEO and President of Valero. Benicia City Manager Mario Giuliani, speaking to the Times-Herald Wednesday, said he spoke with Valero earlier in the day and that the news was stressful but not shocking.