Champagne Horse Breeders' and Owners' Association
- Includes information on the champagne gene, contact list, forms, forum, registry information, and classifieds.
- http://www.chboa.com/

Irish Piebald and Skewbald Association, The
- Includes breed characteristics, rules, registry guidelines, history, and classifieds.
- http://www.theipsa.com/

International Pattern Sport Horse Registry
- A registry for the spotted patterned sport horses and ponies. Contains stud book, forms, and award information.
- http://www.apshir.com/

Baroque and Iberian Horses of Colour Association, Ltd
- International register established to promote the breeding of coloured full and part-bred horses and ponies. Includes registry breeding regulations, membership and forms, photos, events, and sales. Based in Surrey, United Kingdom.
- http://www.baihoca.co.uk/

Palomino Horse Association
- Registry founded in 1936 to register Palomino horses and ponies in all breeds. Includes history of the colour and the association and membership information to download.
- http://www.palominohorseassoc.com/

International Registry of Colored Horses
- A group effort of breeders of colored sport horses. Provides opportunities to network, support, breed and sell. News, rules and forms.
- http://www.coloredhorses.com