Mark Hart is the Chairman of the USEF Eventing Owners Task Force which held meetings at the 2012 USEA Annual Convention.
Official Joint Therapy Treatment of the USEA
Official Feed of the USEA
Official Saddle of the USEA
Official Real Estate Partner of the USEA
Official Equine Insurance of the USEA
Official Forage of the USEA
Official Supplement Feeding System of the USEA
Official Competition & Training Apparel of the USEA