• American Riding Instructors Association
• Binfield Heath Polo Club - Oxfordshire - UK
• The Chukker Collection
• Classic Horses - "For Sale in Canada"
• Dressage USA
• Dressage World
• Eldorado Polo Club
• El Rincon del Polo - (Polo school Argentina)
• Equestrian Dreams
• Equestrian Sports Databank
• Equindex
• E-Stable.com
• Haynet
• International Equestrian Org.
• Horse e-Gifts
• Horse Evaluation System
• HorseNotes
• Horse Protection Association of Florida
• Horsewood Designs
• Jumps USA
• Littlewood Horse Shows
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• Polo Coaching and Vacations in Sotogrande, Spain
• Polo Ponies Online
• Rege Ludwig Polo Clinics
• Mystery Creek Polo Club - New Zealand
• Online Guide to Dressage
• Outback Polo Club
• The Polo Agency
• Polo Image
• Polo News.Com
• POLO Players' Edition
• Saddletude.com
• Sign of Sandford - Polo Watercolor Art
• South Florida Horse Barn
• South Florida InsectAway, Inc.
• Stolen Horse International
• Tally Ho Equestrian Clothing
• United States Dressage Fed.
• USET Online
• United States Polo Association (USPA)
• Wellington Florist
• Wellington - Winter Equestrian Festival
• Wild Heart Ranch
• Winning Ribbons, Inc.