• Breeders’ Cup – A two-day, year-end event that serves as the world championships of Thoroughbred racing
  • Churchill Downs Inc. – A publicly traded company that operates Churchill Downs, home of the Kentucky Derby, along with Fair Grounds Race Course in Louisiana and Arlington International Race Course near Chicago,, and various other properties and wagering entities
  • Keeneland – A historic racetrack and Thoroughbred sales company located in Lexington, Kentucky
  • National Thoroughbred Racing Association – Involved in legislative advocacy, safety and integrity initiatives
  • New York Racing Association – Operates the three major racetracks in New York state: Aqueduct, Belmont Park and Saratoga Race Course
  • The Jockey Club – US registry for Thoroughbred horses
  • The Stronach Group – Operates a series of tracks including Santa Anita Park and Golden Gate Fields (California), Gulfstream Park (Florida), Pimlico and Laurel (Maryland). Other assets include AmTote International, Xpressbet, and Palm Meadows Thoroughbred Training Center
  • Thoroughbred Idea Foundation – Serves to improve the Thoroughbred industry through the exchange of ideas
  • Thoroughbred Safety Coalition – Coalition of major racetracks and groups to enhance and promote safety and transparency in racing