Many online resources are available to dressage enthusiasts depending on what is of interest. 

United States Equestrian Federation (USEF): National governing body for equestrian sport in the USA including competition rules. www.usef.org

United States Dressage Federation (USDF): National organization dedicated to dressage education, Group Membership Organizations (GMOs) and competitions such as regional dressage championships and the US Dressage Finals.  www.usdf.org

USDF Region 9: The dressage region, including Houston Dressage Society (HDS), which communicates news to region clubs and regional USDF members. The region includes Texas, Louisiana, Arkansas, Mississippi and Oklahoma.  www.usdfregion9.org

Southwest Dressage Championships (SWDC): A regional dressage championship held annually. Qualifications and championship classes differ from other championship competitions. www.swdressage.org

Federation Equestre Internationale (FEI): The governing body for all international equestrian competitions.  www.fei.org

National Dressage Pony Cup (NDPC): An independent organization that hosts annual dressage championship competition and other programs for dressage ponies and small horses.  www.dressageponycup.com

The Dressage Foundation (TDF): This non-profit foundation provides grants in many different areas to dressage enthusiasts. www.dressagefoundation.org

Dressage4Kids: Founded by Olympian, Lendon Gray, this organization supports youth by providing a strong dressage and horse management foundation.  www.dressage4kids.org

SafeSport: A non-profit organization founded to prevent athlete abuse across all Olympic disciplines.  www.uscenterforsafesport.org and USEF Safe Sport

Western Dressage Association of America (WDAA): Founded to educate and promote western dressage.  www.westerndressageassociation.org

US Eventing Association (USEA): The national governing body for US combined training. www.useventing.com

US Pony Club (USPC): Founded to teach riding and proper care of horses and ponies. www.ponyclub.org