The Oldenburg Registry North America and International Sporthorse Registry (ISR-Oldenburg NA) - was founded in 1983. North America needs an independent Sport Horse Breed Organization which works on the basis of 200 years of European experience and as successful as European registries. America needs its own source for the sport horses of the future!
The ISR - Oldenburg Registry N.A. is North America's largest independent Sport Horse Breeding Organization which complies to the highest international standards for modern sport horse breeding.