A comprehensive local guide for equine enthusiasts with more than 80 listings featuring horse barns and stables, feed and tack suppliers, equine organizations, riding trails, and more. The Southern Maryland Horse Extra is produced by the Southern Maryland Agricultural Development Commission (SMADC), a division of the Tri-County Council for Southern Maryland as a means to assist and promote the region’s horse farms and horse-related businesses and is compiled with information from sources throughout the state and in response to SMADC’s inquiries.