Canada
CADORA Inc, Canada FYRST Club, Canadian International Dressage Riders Association, Dressage Canada, Dressage Quebec, Dressage Winnipeg, London Dressage Association, Toronto Cadora Online
United States
Arkansas Dressage and Combined Training Associatio, Birmingham Dressage and Combined Training Associat, Boulder Valley Dressage, California Dressage Society, Central Florida Dressage, Dressage Association of Southern California, Eastern States Dressage & Combined Training As, Indiana Dressage Society, Marin County Chapter of the California Dressage So, Maryland Dressage Association