National Hay Association (US) The trade group that represents the interests of the hay industry throughout the United States and internationally 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 Long Island Horseman Wide range of equine related information Netvet - The Electronic Zoo Extensive equine health care references Horse Worldwide Commercial site with lists of, and links to, a wide variety of equine services.