In 1925 the Best Tractor Company and Holt Manufacturing merged to form Caterpillar Tractor in Stockton, CA. Holt of California has been a Caterpillar dealer for over 90 years in the Central Valley. Renting and selling 20kW to 4000kW generator sets, air compressors up to 1800 cfm, temperature control equipment including 400 ton chillers, and offering comprehensive maintenance on all diesel equipment. Holt also offers CAT Microgrid solutions including solar, batteries, microgrid controllers, and system integration for either island mode or grid connected.