Here are links to many national and local organizations.

 

United States Equestrian Federation, Inc. - The National Governing Body for Equestrian Sport

United States Eventing Association

United States Dressage Federation

 

Mountain States Eventing Association

Rocky Mountain Dressage Society

USDF Region V

 

Central Colorado Chapter of the Mountain States Eventing Association

Colorado Springs Dressage Assocation

Colorado Horse Council

Douglas Elbert County Horse Council

Colorado Horse Park

Norris Penrose Event  Center

Pendragon Stud Equestrian Center