| 18 Foot Skiff, UK Class Association | http://www.uk18footer.org/ |
| 29er, GBR Class Association | http://www.29er.org.uk/ |
| 405 UK Hobie Class Association | http://www.405.org.uk/ |
| 420 British International Class Association | http://www.420sailing.org.uk/ |
| 470, GBR Association | http://194.74.172.143/gbr470/default.php |
| 49er, GBR Class | http://www.49er.org.uk/forums/ |
| 505, International Class Association of Great Britain | http://www.sail505.org/ |
| Albacore, National Association | http://www.albacore.org.uk/ |
| B14, Class Association | http://www.b14.org/ |
| British Moth, Boat Association | http://www.britishmoth.co.uk/ |
| Cadet, UK National Class Association | http://www.cadetclass.org.uk/ |
| Cherub, UK Class Association | http://www.uk-cherub.org/ |
| Contender, British Association | http://www.sailcontender.org.uk/ |
| Enterprise, UK Association | http://www.sailenterprise.org.uk/ |
| Europe, UK International Class | http://www.europeclass.org.uk/ |
| Finn, British Association | http://www.finnuk.org.uk/ |
| Fireball, UK Class Association | http://www.fireballsailing.org.uk |
| Flying 15, British Isles Association | http://www.Flying15.org.uk |
| Flying Dutchman, UK Class Organisation | http://www.sailfd.org/GBR/ |
| GP14 Ireland Class Association | http://www.gp14ireland.com/ |
| GP14 UK Class Association | http://www.gp14.co.uk/ |
| Graduate Dinghy Association | http://www.graduatedinghy.com/ |
| Heron Dinghy Class Association | http://www.heron-dinghy.org.uk/ |
| International 12 Ft Dinghy, Class Association | http://www.12footdinghy.org |
| International 14 Class Association | http://www.international14.org/ |
| International Moth, UK Class Association | http://www.int-moth.org.uk/ |
| Javelin, UK Class Association | http://www.javelinuk.com/ |
| Lark Class Owners’ Association | http://www.larkclass.org/ |
| Laser SB3 Class Association | http://www.lasersb3.com/ |
| Laser, International Class Association | http://www.laserinternational.org/ |
| Laser, UK Association | http://www.laser.org.uk/ |
| Leader Class Owners’ Association | http://www.leaderdinghy.org.uk/ |
| Merlin Rocket Owners’ Association | http://www.merlinrocket.co.uk/ |
| Miracle Association | http://www.miracledinghy.org/ |
| Mirror UK Association | http://www.ukmirrorsailing.com/ |
| Mirror, International Class Association of Ireland | http://www.imcai.com/ |
| Musto Skiff, International Class Association | http://www.mustoskiff.com/ |
| National 12 Class Association | http://www.national12.org/ |
| Norfolk Punt Club | http://www.puntclub.co.uk/ |
| OK UK International Class Association | http://www.okdinghy.co.uk/ |
| Optimist, International Class Association | http://www.optimistsailing.org.uk/ |
| Osprey Class Association | http://www.ospreysailing.org.uk/ |
| Phantom Class Association | http://www.phantomclass.org.uk/ |
| Scorpion, National Class Association | http://www.sailscorpion.co.uk/ |
| Shrimper Owners’ Association | http://www.shrimperowners.org/ |
| Signet Class Owners’ Association | http://www.sailsignet.org.uk/ |
| Snipe GB International | http://www.snipe.org.uk/ |
| Solo, National Class Association | http://www.solosailing.org.uk/index.asp |
| Splash, UK Class | http://www.splashdinghy.org.uk/ |
| Tempest, UK Association | http://www.uktempest.co.uk/ |
| Thames A Rater, Thames Sailing Club | http://www.thamessailingclub.co.uk/ |
| Topper, GB Class Association | http://www.gbrtopper.co.uk/ |
| UK 12 foot skiff, Official Class Association | http://www.12footskiff.com/ |
| Vortex Class | http://www.sailvortex.org |
| Wanderer, Class Owners’ Association | http://www.wanderer.org.uk/ |
| Wayfarer Class Association | http://www.wayfarer.org.uk/ |
| Wineglass Dinghy Owners’ Assocation | http://www.wineglass.org.uk/ |
