- Arabian Jockey Club
- national nonprofit organisation dedicated to the promotion, education, and professional management of Arabian horse racing. - Association of Racing Commissioners International
- development of uniformity in rules among North American racing jurisdictions. - Iowa Quater Horse Racing Association
- organisation of devoted Quarter Horse racing owners, breeders, and enthusiasts, working as a group and dedicated to promoting the sport. - Kildare Horse Development Company
- offers information on horse breeders, stud farms, trainers, equestrian centres, racecourses, thoroughbreds, and events in Kildare. - Maryland Jockey Club
- home of the Preakness Stakes and Pimlico race track. Includes racing information, latest news stories, results, and handicapping resources. - Middleham Trainers Association
 - National Thoroughbred Racing Association
- official site. Features news, information, picks, and more. - National Trainers Federation (NTF)
- organisation responsible for licensed thoroughbred racehorse trainers in the U.K. - New Mexico Horse Breeders Association
- includes information about incentive awards, funds, New Mexico stakes races, results, and more. - New Mexico Horsemen's Association
- promotes the welfare and health of licensed owners, trainers, and groomers connected with horse racing. - New York Racing Association (NYRA)
- full coverage for Belmont Park, Saratoga, and Aqueduct. - Racehorse Trainers
- racehorse trainers' portal for the U.K. and Ireland. - Racing NSW
- NSW Thoroughbred Racing Board. Features news and information, nominations, weights, forms, and results. - Talent Racing
- organisation for racing enthusiasts. - Thoroughbred Retirement Foundation, The
- nonprofit foundation dedicated to saving the lives of Thoroughbred racehorses through retirement at their own farms and through adoption. - Western Horseman of Oregon
- promotes pattern horse racing in Oregon.
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