Horse of the Americas (HOA)
An umbrella registry for all Colonial Spanish Horses. The HOA accepts horses from the Spanish Mustang Registry, the American Indian Horse Registry, and other strains identified as…
Southwest Spanish Mustang Association
A nonprofit organization dedicated to the preservation of the horses which populated the United States in early colonial times.
Spanish Mustang Registry Home Page
Learn about the rich heritage, unique colors and markings of this fine breed.
Sulphur Horse Registry
Registry founded in 1998 for the purpose of preserving and promoting the Sulphur Springs Mustang and its domestic progeny.
The Kiger Mesteño Association
Registry founded in 1988 to protect and preserve wild Kiger mustangs and the Kiger Colonial Spanish Horse in captivity.