Jeffries Brothers Inc. (JBI) was originally established in 1946, just after the war ending. Brothers Dick and Howard Jeffries opened a warehouse on Main Street in the rural town of Buttonwillow, CA and began servicing local farmers petroleum needs. Since the 1980’s Jeffries Brothers has expanded from bulk fuel and lubricants sales into retail fuel sales, Sinclair brand marketing, and commercial cardlock fueling as participant #15 on the CFN network. In 2014 with the acquisition of Cal Valley Equipment (CVE). Jeffries Brothers and Cal Valley now offer full service maintenance of retail and commercial fueling systems. Cal Valley is a Steel Tank Institute / Steal Pipe Fabricators Association (STI/SPFA) certified manufacturer of above ground tank systems.        

Owner Don Jeffries, his sons Matt (CEO) and Jeremy (CFO) and the Jeffries family of employees would like to take this opportunity to thank all of our friends and customers for your continued friendship and patronage. It is with our deepest gratitude and appreciation that we celebrate our 75th year in business as Kern County’s oldest and reliable petroleum jobber. We are dedicated to giving the best possible service to our costumers at competitive prices.



Matt Jeffries


Jeremy Jeffries




Cal Valley Equipment (CVE), founded in 1956, is a complete end to end solution for all above ground fuel (AST), underground fuel (UST) and lubricant storage tanks for retail, commercial, and government contract work. CVE provides service and construction work in support of fueling infrastructure, complete with permitting and compliance testing. CVE also provides manufacturing of STI/SPFA certified Fireguard protected vaulted tanks (UL2085) and F-921 tanks (meets UL142).

Contact us about about about your fueling, storage and service needs.

Sinclair is a family-owned, vertically-integrated oil company, involved in all aspects of our industry, from oil and gas exploration to motor fuel distribution. We have executive offices in Salt Lake City, Utah, two refineries in Wyoming, and over 1,500 branded Sinclair stations in 29 states.

Contact us about branding your sites Sinclair!

CFN (Commercial Fueling Network) was established in 1988 with the goal of creating a North American commercial cardlock network that offers integrated fuel card processing solutions to fleet managers and business owners. Today, CFN is comprised of over 200 independent petroleum marketers who are committed to providing the transportation industry with fuel products 24 hours a day, 365 days of the year.

Contact us about  an account or card services today.

Founded in 1998, Imperial Sales Company takes pride in being a true independent supplier to independent marketers serving the West Coast lubricants market. Members of CIOMA and PPC; we participate in the PFCS and WPMA

Contact us about your lubricants needs.

We are the world’s largest producer of renewable diesel and renewable jet fuel refined from waste and residues, introducing renewable solutions also to the polymers and chemicals industries. We are also a technologically advanced refiner of high-quality oil products

Contact us about your renewable diesel needs.

Founded in 1839, Schaeffer’s Specialized Lubricants are renowned for their synthetic motor oils, hydraulic fluids, and diesel fuel additives. The diverse product line includes a vast array of industrial lubricants, industrial greases and industrial oils as well as specialty items like chain lubes and degreasers. Shaeffer’s family of products have achieved a world-class reputation for improving engine performance and fuel economy.

Contact us about Shaeffer’s specialty products.