420's

Aberdeen University Sailing Club

Aberystwyth University Sailing Club

Abingdon School

Alamitos Bay Yacht Club, Long Beach, CA

American Yacht Club, Rye, NY

Andrew Simpson Centre - Reading

Annapolis Yacht Club, Annapolis, MD

Army Sailing Association

Australian Sailing

Baltimore SC

Bandon Grammar School

Bangor University Sailing Club

Blackwater Sailing Club

Bournemouth University Sailing Club

Bradfield College

British Keelboat League Association

British Schools Dinghy Racing Association

Brunel University

Bryanston School

Budworth Sailing Club

Burnham SC

California Yacht Club, Marina del Rey, CA

Cambridge University Cruising Club

Cape Cod Academy