- Lamborghini Club of Los Angeles - LCLA
Representing a new age of Lamborghini clubs in the world, with features like on-line member portfolios, an open-end event calendar where members can organize their own smaller runs, and large, bi-annual, sponsored club events with first-rate media coverage, models, video and photography.
- Hummer Club, The
Official Hummer owners club promoting the safe use and enjoyment of Hummer vehicles. Includes upcoming events, merchandise, and membership information.
- Classic Thunderbird Club International
- Signal Hill
For the Classic T'Birds: 1955, 1956, and 1957.
- California RV Show
Selection of new model travel trailers, campers, motorhomes, tent trailers, mini motorhomes, 5th wheels and camper shells on exhibit.
- Buick Street Rod Association
- Rancho Palos Verdes
Chartered nonprofit organization for pre-49 Buick and Buick powered street rods.
- Mini Owners of America, Los Angeles
Includes information on the club, owner's cars, events, and more.
- Southern California Cougar Club
- North Hollywood
Dedicated to the preservation and restoration of vintage Mercury Cougars.
- Los Angeles Clean Cities Program
Supports the voluntary deployment of alternative fuel vehicles (AFVs) and construction of infrastructure to support AFVs in Los Angeles, California.
- Rolls-Royce Phantom III Technical Society
- Shadow Hills
Offers technical advice, publications, reproduction parts, and maintenance items to owners and enthusiasts of the Rolls-Royce Phantom III.
- Phantom Coaches Hearse Club
- Long Beach
With an official newsletter, The Epitaph.
- Ford Car Clubs - Western Region
Holds the popular Fabulous Fords annual reunion at Knott's Berry Farm in southern California.
- Great Autos of Yesteryear
Gay oriented car collectors club.