SouthWest Horse Trader is an equine marketplace and publishing platform focused on the performance horse industry. Founded in 1998, it is a marketplace of Equine Publishing Concepts, Inc., combining buying and selling tools with news, features, and industry insights. The site connects horse buyers and sellers through listings for performance horses, prospects, ranch horses, broodmares, and other categories, with filters for breed and discipline. Horse listings are currently free, and sellers can promote their horses to an audience of interested buyers.

The platform also features stallion promotions and business listings for trainers, boarding and training programs, feed and hay suppliers, equipment providers, transport services, and other equine businesses. Users can browse or post industry events, including sales, shows, clinics, and seminars. SouthWest Horse Trader publishes marketplace observations, practical listing advice, and news covering regional, agricultural, association, and discipline-specific topics. Its advertising options, email updates, and resources support stallion owners, businesses, and industry professionals seeking targeted visibility and useful marketplace information.