JB Dewar, Inc.

Oil and GasCalifornia, United States11-50 Employees

JB Dewar, Inc. is an oil and gas company based in San Luis Obispo, California, founded in 1933 by John B. Dewar. It serves the Central Coast and beyond as a supplier of fuel and automotive products to sectors such as agriculture, farming, trucking, construction, energy, and repair shops. The company delivers bulk fuels and lubricants directly to customers at field sites or construction sites, backed by substantial on-hand storage that can support rapid emergency deliveries, including about 406,000 gallons of fuel and 79,000 gallons of bulk oil. In addition to core fuels, it provides maintenance-related products and services to help customers manage their operations across miles of service territory.

JB Dewar operates eight cardlock fueling locations and three retail Dewar Depots across the Central Coast, with staff available around the clock to serve customers. The company’s Pacific Advantage card program gives access to a large network of fueling locations, including about 40,000 Fuelman partner sites and more than 55,000 Pacific Pride sites, allowing fleet managers to control costs, track consumption and odometer readings, and prevent unauthorized use, with no monthly service fees. Beyond fueling, the organization contributes to the local community through support for groups such as the SLO Food Bank and youth livestock programs, reflecting its regional footprint and commitment to education and outreach.

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