Jimco Racing is a custom car constructing company based in Santee. It lays claim to being "worlds (sic) largest builder of off-road race cars." It specializes in the construction of off-road small racing trucks. In addition, Jimco Racing retails custom racing automobiles and parts, including tire rods, spindles, battery boxes and seal kits. Race cars mostly range within $150,000. Jimco has a 16,000 sq. ft facility. Its team is led by Mike Julson, who has over 25 years of racing experience in Southern California.