Samenwerking

The National Reining Horse Association (or NRHA) is a nonprofit association dedicated to promoting and encouraging the development of and public interest in the sport of reining. The focus is on developing and maintaining suitable standards of performance and judging and in providing a fun filled, family-oriented atmosphere.The Dutch Reining Horse Association is the only official affiliate of the NRHA in The Netherlands
The American Quarter Horse Association (AQHA), based in Amarillo, Texas, is an international organization dedicated to the preservation, improvement and record-keeping of the American Quarter Horse. The association sanctions many competitive events and maintains the official registry. The organization also houses the American Quarter Horse Hall of Fame and Museum and sponsors educational programs. The organization was founded in 1940 in Fort Worth, Texas and now has nearly 350,000 members.