The Clydesdale Breeders of the United States, incorporated in 1879, is the member organization for the Clydesdale horse and is open to all people interested in the well being and advancement of the breed. The purpose of the Association is to collect, revise, preserve, and publish the history and pedigrees of purebred Clydesdale horses. It is also responsible for all registrations and the transfer of ownership of all eligible horses within the United States.