American Association of Equine Practitioners Foundation - AAEP.org

Colorado Back Country Horsemen - BCHColorado.org

Colorado Horse Council - ColoradoHorseCouncil.com

Colorado Horse Park - ColoradoHorsePark.com

Doulgas County Open Space - Douglas.co.us/openspace/

Equine Research - EquineResearch.net

Humane Society of the United States - www.hsus.org/horses_equines/

Mile High Mustang Club - MileHighMustang.com

Parker-Elizabeth Riding Club - PERidingClub.com

Parker Trail Riders, Inc. - ParkerTrailRiders.org