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JB Dewar, Inc
75 Prado Road , San Luis Obispo, California, United States

Memberships : NA
Industry : Renewable Energy
Basic Member
Since Feb, 2019
About Company

JB Dewar, Inc. is a fuel and lubricant distributor located on the Central Coast of California. The company was started in 1933 in Santa Maria, CA by John B. Dewar, an oil field worker. Today JB Dewar is on its third generation of family ownership and fourth generation of Dewar family members involved in the business. Family, community, and providing added value to customers is a tradition that is deeply embedded in the rich history of JB Dewar.     JB Dewar is a Chevron 1st Source Lubrication Marketer. That means we’re your first source for value that goes well beyond the product line. We’re more than a supplier. We’re an ally. A partner who’s ready, willing, and able to contribute to our customers’ long-term profitable growth. In addition to Chevron, Havoline, and the Delo family of products, we also offer Castrol motor oils and many others. JB Dewar provides the highest quality fuel and lubricants to the agriculture, farming, trucking, government, construction, energy, and repair shop industries from San Ardo to Santa Barbara.

With eight locations on the Central Coast and around the clock service, JB Dewar fuels local commerce. The company attributes its success to offering superior value to customers, employees, and business partners by providing innovative services and solutions in a timely manner.     The additional value that JB Dewar provides is in the company’s attentive customer service. The Technical Service Maintenance Team assists customers with new installations, as well as with ongoing fueling and oil service. The team of highly-trained, ICC-certified professionals can perform inspections, lubrication equipment installations, and create custom-designed maintenance plans.     JB Dewar directly delivers fuels and lubricants to customers using a fleet of trucks and trailers, box trucks, and tankwagons. And with 200,000 gallons of fuel storage and 67,000 gallons of bulk oil storage on hand, emergency deliveries can be made in just hours!


  ​  We have a variety of ways to deliver fuel and lubricants to you. Whether it’s tank wagons, box trucks, flatbeds, or truck and trailers, we deliver directly to your site. 

Fuel Tanks to Rent or Purchase

The Dewar Depot is stocked with various sizes of fuel storage tanks, and we can order any tank you may need. We sell single and double wall lube oil tanks, waste oil tanks, stationary gasoline and diesel tanks, as well as portable diesel transfer tanks for pickups and trailers. We can also supply secondary containment for tanks and drums.


JB Dewar offers an oil analysis, which is performed through the Chevron LubeWatch program. Tests specifically analyze things such as viscosity, breakdown, contamination, wear metals, coolants, and more. There are different kits for gasoline engine oils, diesel engine oils, natural gas engine oils, and industrial oils.     Oil examinations are important to identify contamination or wear before it becomes costly. Analyzing samples on a regular basis will help you optimize your equipment efficiency, identify lubricant-related needs and increase the life of your equipment. JB Dewar will help you collect samples to be sent to ALS Tribology for testing. Once the results are ready they will be emailed to you as well as JB Dewar so we can further assist you if needed.


   JB Dewar is committed to providing not just quality, but service and support. For this reason we offer extensive technical assistance. In person or on the phone, we’re here to answer all of your fuel, storage, and dispensing related concerns. We can perform equipment installations for smaller scale jobs, equipment repairs, equipment and exchange upgrades, and fuel and lube transfers. JB Dewar can perform inspections on cardlock equipment, facility maintenance, and lifts.


The Dewar Depot is open Monday through Friday and carries a wide array of fuel, lubrication, filtration products, equipment, and specialty products. We have Dewar Depot locations in San Luis Obispo, Paso Robles, and Santa Maria. Our knowledgeable service staff is eager to assist you in finding exactly what you’re looking for. Stop in and see us today at any one of our locations!


We offer a long list of lubricants from the manufacturers listed below. Visit our Dewar Depot and one of our staff members can help you select the right products for your lubricant needs.


Air 1 Diesel Exhaust Fluid (DEF), is a high-purity solution of urea in deionized water. It is used to chemically reduce NOX emissions from trucks and buses powered by diesel engines. DEF is very susceptible to contamination making the handling process extremely important. Just one-tenth of one teaspoon of impurities can render a 6,500-gallon tank of DEF useless! Luckily, Air 1 and JB Dewar utilize a closed-distribution system, ensuring a contamination-free distribution of the product. Every JB Dewar employee is trained on how to keep DEF pure. We will make sure that when you purchase DEF, you have the right advice and instruction on all of the equipment and storage practices. We also have DEF Pumps and Dispensing Equipment available.

Company NameJB Dewar, Inc
Business CategoryRenewable Energy
Address75 Prado Road
San Luis Obispo
United States
ZIP: 93401
Year Established1933
Hours of OperationNA
Company Services
  • Bulk Delivery
  • Technical Services
  • Oil Analysis
  • Dewar Depot
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