American Association of Equine Practitioners

American Horse Trials Foundation

American Miniature Horse Association

American Morgan Horse Association

American Trail Horse Association

American Paint Horse Association

American Quarter Horse Foundation

American Riding Instructors Association

American Shetland Pony Club

American Sport Horse Registry

American Warmblood Society

American Warmblood Registry

Appaloosa Horse Club

Arabian Horse Association

American Horse Council

American Association for Horsemanship Safety

American Endurance Ride Conference

American Farrier's Association

American GrandPrix Association

American Horse Shows Association

American Medical Equestrian Association

American Miniature Horse Registry

American Registry of Arab Bred Sporthorses

American Society of Equine Appraisers

American Spotted Horse Association

American Vaulting Association

American Veterinary Medical Association

American Warmblood Society

Antietam Pony Club

Appaloosa Horse Club

Appaloosa Sport Horse Association

Arizona State Horsemen Association

Bay County Horseman's Association

Baltimore County Horse Show Association

Battlefield Equestrian Society

Bits, Boots & Bonfires

Carriage Assn. of America

Chesapeake Plantation Walking Horse Club

Cleveland Bay Horse Society of North America

Commonwealth Dressage & Combined Training Association

Cremello and Perlino Educational Association

British Horse Society

California Reining Horse Association

California State Horsemen's Association

Canadian Sport Horse Association

Central Florida Dressage

Dales Pony Society of America

Dales Pony Association North America

Delaware Equine Council

Delaware Valley Combined Training Association

Delaware Valley Horseman's Association

Dude Ranchers' Association

Eastern Shore Short Circuit Horse Show Association

Equestrian Land Conservation Resource

Certified Horsemanship Association

First Coast Hunter Jumper Association

Foundation Quarter Horse Association

Foundation Quarter Horse Breeders Association

Free State Riding Club

Friesian Horse Association of North America

Florida Standardbred Breeders and Owners Association

Gaited Horse International Association

Georgia Dressage & Combined Training Association

Georgia Hunter Jumper Association

Gypsy Vanner Horse Society

Guide Horse Foundation

Hoosier Ladies Aside

Illinois Dressage and Combined Training Association

Intercollegiate Horse Show Association

International Association of Equine Practitioners

International Georgian Grande Horse Registry

International Side Saddle Organization

International Sport Horses of Color

International Equestrian Drill Team Alliance, Inc.

International Morab Breeders' Association Inc.

International Sporthorse Registry

International Spotted Horse Registry Association

Jockey Club

Kentucky Horseman's Association

Kiger Mesteño Association

Kentucky Mountain Saddle Horse Association

League of Maryland Horsemen

Mississippi Eventing and Dressage Association

Maryland 4-H

Maryland Combined Training Association

Maryland Dressage Association

Maryland Horse Breeders Association

Maryland Horse Council

Maryland Jousting Tournament Association

Masters of Foxhounds Association of America

Michigan Horse Council

Mid-Atlantic Quarter Horse Association

Morab Horse Association & Registry

Mountain Pleasure Horse Association

National Barrel Horse Association

National Cutting Horse Association

National Reined Cow Horse Association

National Steeplechase Association

National Thoroughbred Racing Association

New Forest Pony Association and Registry

New Jersey Horse Shows Association

North American Thoroughbred Society

North Carolina Dressage and CT Assn.

North Carolina Horse Council

Northern Virginia Hunter Jumper Association

Northern Virginia Old People's Riding Club

National Barrel Horse Association

National Cutting Horse Association

National Foundation Quarter Horse Association

National High School Rodeo Association, Inc.

National Reining Horse Association

National Snaffle Bit Association

National Walking Horse Association

New Mexico Palomino Exhibitors Association

North American Equestrian Drill Team Association

Ocala Arabian Horse Association

Ohio Quarter Horse Association

Omaha Stockyard Saddle Club

Palomino Horse Association

Pasadena Horse and Pony Association

Pennsylvania Arabian Horse Association

Pennsylvania Equine Council

Pennsylvaina Jousting Club

Pennsylvania Morgan Horse Club

Pennsylvania Pinto Horse Club

Percheron Horse Association of America

Pinto Horse Association of America

Pony of the Americas Club

Pony Power

Professional Rodeo Cowboys Association

Pacific Coast Quarter Horse Association

Palomino Horse Association

Palomino Horse Breeders of America

Pinto Horse Association of America

Pony Of The Americas Club

Rocky Mountain Horse Association

Redland Hunt Pony Club

Shore Dressage

Sport Horse Owners and Breeders Association

State Horse Councils

Sound Horse Organization

Spotted Saddle Horse Breeders & Exhibitors Association

Standardbred Pleasure Horse Organization

State Horse Councils

Spotted Saddle Horse Breeders and Exhibitors Association

Tennessee Walking Horse Breeders' and Exhibitors' Association

Tennessee Valley Paso Fino Horse Association

Texas Appaloosa Horse Club

Tiger Horse Association

Trail Riders of Today (TROT)

USA Equestrian

United States Combined Training Association

United States Dressage Federation

United States Equestrian Team

United States Eventing Association

United States Eventing Association Area II

United States Polo Association

United States Pony Clubs

United States Dressage Federation

United States Lipizzan Registry

Women's Professional Rodeo Association

World Foundation Quarter Horse Alliance

West Coast Reining Horse Association

Windy Knoll Horsemen

World Morgan Futurity

World Sidesaddle Federation