Lotus Clubs
| Club Lotus NW | http://www.clnw.org |
| Lotus Car Club of British Columbia | http://www.lccbc.ca |
| Golden Gate Lotus Club | http://gglotus.org |
| Lotus Ltd. | https://lotusltd.com |
| Club Lotus | http://www.clublotus.co.uk/ |
Puget Sound Car Clubs
| Northwest Alfa Romeo Club | http://nwalfaclub.com |
| Audi Club Northwest | https://audiclubna.org/northwest/ |
| Seattle Jaguar Club | https://www.seattlejagclub.org |
| Tyee Triumph Club | http://www.tyeetriumph.org |
| MG Car Club NW Centre | http://www.mgccnwc.com |
Other Organizations
| SOVREN | http://sovrenracing.org |
| Western Washington All British Field Meet | http://wwabfm.com |
| Conference | https://www.icscc.com |