The All American Quarter Horse Congress is the world’s largest single-breed horse show, with 25,000 entries in 2018. Held at the Ohio Expo Center in Columbus, the show attracts 650,000 people and generates $409 million in the central Ohio economy. The All American Quarter Horse Congress is hosted by the Ohio Quarter Horse Association, a state affiliate of the American Quarter Horse Association. Their mission is to protect and promote the Quarter Horse and the interests of owners, breeders, exhibitors, and enthusiasts. OQHA is committed to setting the standard in the equine industry by engaging equine enthusiasts through world-class competition, recreational activities, education and engagement of the next generation of participants and industry leaders.