Lake Deneys Yacht Club

Colaba Sailing Club, Discovery Bay Yacht Club, Royal Selangor Yacht Club, Taal Lake Yacht Club

Royal Marsh Harbour Yacht Club

Amherst College Sailing Club, Bates College Sailing Team, Brighton and Sussex University Sailing, Brown University Sailing Club, Dartmouth Sailing, George Washington U - MBA Sailing Team, George Washington University Sailing Club, Harvey Mudd College Sailing Club, Hoofer Sailing Club, Indiana University-Purdue University Sailing

Croatia, France, Germany, Greece, Ireland, Italy, Spain, United Kingdom

Inter Services Yacht Club, Marmaris International Yacht Club - Turkey

Canada, United States

18 Footers League, Albert Park Yacht Club, Albert Sailing Club, Avalon Sailing Club, Canberra Yacht Club, Connell's Point Sailing Club, Darwin Sailing Club, Evans Bay Yacht and Motor Boat Club, Gippsland Lakes Yacht Club, Hillarys Yacht Club

Panama Yacht Club, Yacht Club Argentino

All Volunteer Yacht Club, Mississippi River Yacht Club, World Wide Web Yacht Club