In 1956, J.B. and J.T. (Tom) Hawthorne were awarded the San Diego Caterpillar dealership. In 2005, Tee Ness acquired Hawthorne Cat from Tom Hawthorne. Tee actively oversees all of Hawthorne's divisions.
The employees of Hawthorne Cat are the key ingredients to the continued success of the company. From the sales reps and technicians who work closely with our customers, to the "behind the scenes" staff who support them, it's our people that make our company strong.
Hawthorne serves various industries including heavy construction, general building construction, earthmoving, excavation, quarry and aggregate, landscaping, marine, paving, waste management, engine power, power generation and grounds maintenance.
Located in Rancho Bernardo, this is the corporate headquarters for all the Hawthorne divisions. In addition, it is home for sales, product support, parts, service, marketing, and finance personnel, who are the hub of Hawthorne's staff of approximately 450 employees worldwide.
Power Systems Division
Provides sales, rentals and services the power generation, marine, on-highway trucking, and other engine-related markets. It has outstanding skills in building, rebuilding and packaging engines and power systems of all sizes from standby power to turnkey generators and cogeneration plants. Located in Kearny Mesa, this division has branches in Hawaii and Guam.
Rental Service Division
Offers rental equipment to the construction and industrial market including the rental of heavy and compact equipment, generators, lighting, welders, compressors, dump trucks and more from Caterpillar and other allied brands. This division has branches in San Diego, Hawaii and Guam.
Located in Pago Pago, this division fills the marine and construction needs in American Samoa. This facility provides complete sales, parts, and service staff to the worldwide tuna fleet, the construction industry, power plants, and all aspects of the industrial markets.
Located in Waipahu, Hawaii, this division provides sales, rentals, parts and service of Caterpillar machinery and power systems. It also represents Kubota®, Toro®, Club Car® and other allied brands to complement its product line. It serves various industries including: heavy and general construction; quarry and aggregate; paving; agriculture and landscaping; marine; engine and power generation. Eight branch facilities are located throughout the region on Oahu (Waipahu and Mapunapuna), Hawaii (Hilo and Kona), Maui, Kauai, Guam and Saipan.