National Hay Association (US) The trade group that represents the interests of the hay industry throughout the United States and internationally Ontario Hay Producers' Association Provides information about the Ontario Hay industry and lists of hay wanted and for sale Internet Hay Exchange Free listing to buy and sell hay across Canada and US. Good list of links about hay Internet Hay & Forage Market Paid listing for buying and selling hay  Equine Guelph Equine Guelph - the Horse Owner and Care Giver's centre to improved health and performance through education and communication The Horse Source Comprehensive equine directory Internet Hay Exchange Free listing to buy and sell hay across Canada and US. Good list of links about hay Equine Affaire The Great American Horse Exposition, Springfield, MA. Horsehae, a superior product shown at a superior show. Netvet - The Electronic Zoo Extensive equine health care references Long Island Horseman Wide range of equine related information Horse Worldwide Commercial site with lists of, and links to, a wide variety of equine services.