Colorado Hunter Jumper Association https://www.chja.org/
Arizona Hunter Jumper Association http://www.ahja.org/
Central Florida Hunter Jumper Association http://www.cfhja.com/default.asp
Iowa and Nebraska Jumper Association https://www.chja.org/
United States Jumper Association https://www.ushja.org/about-us-and-news/hunterjumper-101
United States Equestrian Federation:https://www.usef.org/compete