- Arabian Jockey Club
National nonprofit organization 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
Organization 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.
- National Thoroughbred Racing Association
Official site. Features news, information, picks, and more.
- 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.
- 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.