DeWitt Petroleum has been an established petroleum marketer since 1945. We are founding members of the Commercial Fueling Net ... work (CFN). Our customers are located in Los Angeles, Orange, San Bernardino, Santa Barbara, and Ventura Counties. We have many fleet fueling services to meet your petroleum needs; Mobile Onsite fueling, Cardlock Fueling, Commercial Bulk Deliveries, Lubricants, and we also Brand Retail stations Valero. Let our Intelligent Petroleum Solutions work for you. read more