Health
American Veterinary Medical Association
AAEP American Association of Equine Practitioners

Associations
American Driving Society
American Quarterhorse Association
American Saddlebred Horse Association
The Carriage Association of America
Fédération Equestre Internationale
Masters of Fox Hounds Association
National Thoroughbred Racing Association
National Reining Horse Association
National Steeplechase Association
The National Team Roping Horse Association
North American Riders Group
North American Young Riders
Professional Horsemen's Association of America
Thoroughbred Owners and Breeders Association
Thoroughbred Racing Associations of North America
U.S. Equestrian Team
U.S. Equestrian Team Foundation
United States Dressage Federation
United States Dressage Foundation
United States Equestrian Federation
USEA United States Eventing Association
United States Hunter Jumper Assocation ( USHJA )

Publications
Blood Horse
The Chronicle of the Horse
Daily Racing Form
Equine Journal
Equestrian Magazine
Mid-Atlantic Thoroughbred
Quarter Horse News
Paulick Report
Sidelines
Thoroughbred Daily News