Associations
Horse of the Americas (HOA), Sorraia Mustang Studbook/Magazine, Southwest Spanish Mustang Association, Spanish Mustang Registry Home Page, Steens Mountain Kiger Registry, Sulphur Horse Registry, The American Indian Horse Registry, The American Mustang and Burro Association, Inc., The Kiger Mesteño Association, The Pryor Mountain Mustang Breeders Association
Breeders
Apache Trail, Canyon Creek Kigers, Clay Bank Ranch, Desert Madeira Kigers, Desperado Farms, Double D-Bar Kigers, El Rancho Wakan, Free Spirit Spanish Mustangs, Grey Thunder Ranch, High Desert Kigers
Black Hills Wild Horse Sanctuary
Official site of the Institute of Range and the American Mustang, and the Black Hills Wild Horse Sanctuary, a non-profit organization founded in 1988 dedicated to giving the wild mustang back to the open range. Information on organizations, fundraising, newsletter, volunteer programs, and visiting.
Mustang Horses
Information on mustangs, with breeder listings, links and pictures.
Pryor Mountain Wild Horse Refuge
Information on Mustang horses, their history, and photos. Located in Montana.
Sulphur Horse Information
Providing links to information about the Sulphur Springs Mustang.