| | Feed Stores | North Branford, Connecticut |
| | Feed Stores | Mount Sinai, New York |
| | Coaches & Trainers | Amagansett, New York |
| | Coaches & Trainers | Riverhead, New York |
| | Boarding Facilities, Riding Lessons, Coaches & Trainers | Amagansett, New York |
| | Coaches & Trainers | Riverhead, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Riverhead, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons, Horseback Riding | Riverhead, New York |
| | Feed Stores | Ronkonkoma, New York |
| | Veterinarians | Selden, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Manorville, New York |
| | Coaches & Trainers | Amagansett, New York |
| | Carriage Rides | Centereach, New York |
| | Boarding Facilities | Water Mill, New York |
| | Coaches & Trainers | Islandia, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons, Tack Shops, Horseback Riding | Calverton, New York |
| | Farriers | Clinton, Connecticut |
| | Tack Shops | Bridgehampton, New York |
| | Coaches & Trainers | Westbrook, Connecticut |
| | Boarding Facilities | Water Mill, New York |
| | Coaches & Trainers | Amagansett, New York |
| | Coaches & Trainers | Aquebogue, New York |
| | Coaches & Trainers | Islandia, New York |
| | Coaches & Trainers | Islandia, New York |
| | Coaches & Trainers | East Quogue, New York |
| | Coaches & Trainers | Westbrook, Connecticut |
| | Coaches & Trainers | Islandia, New York |
| | Veterinarians | Shirley, New York |
| | Riding Lessons, Horseback Riding, Equine Assisted Therapy | Sagaponack, New York |
| | Coaches & Trainers | Amagansett, New York |
| | Feed Stores | Southold, New York |
| | Equine Chiropractors, Veterinary Orthopedic Manipulation | Sayville, New York |
| | Coaches & Trainers | Islandia, New York |
| | Farriers | Bayport, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Clinton, Connecticut |
| | Boarding Facilities | Central Islip, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Medford, New York |
| | Feed Stores | Medford, New York |
| | Feed Stores | Bridgehampton, New York |
| | Equine Chiropractors, Veterinary Orthopedic Manipulation | East Hampton, New York |
| | Coaches & Trainers | Islandia, New York |
| | Coaches & Trainers | Clinton, Connecticut |
| | Farriers | East Hampton, New York |
| | Farriers | Water Mill, New York |
| | Coaches & Trainers | Mattituck, New York |
| | Coaches & Trainers | Medford, New York |
| | Coaches & Trainers | Riverhead, New York |
| | Veterinarians | Bayport, New York |
| | Equine Chiropractors, Veterinary Orthopedic Manipulation | Holtzville, New York |
| | Coaches & Trainers | Riverhead, New York |
| | Veterinarians | Ridge, New York |
| | Feed Stores | Eastport, New York |
| | Coaches & Trainers | Islandia, New York |
| | Coaches & Trainers | Manorville, New York |
| | Coaches & Trainers | Manorville, New York |
| | Boarding Facilities | Manorville, New York |
| | Riding Lessons, Boarding Facilities, Coaches & Trainers | Riverhead, New York |
| | Farriers | Brookhaven, New York |
| | Farriers | Medford, New York |
| | Coaches & Trainers | Mattituck, New York |
| | Veterinary Clinic | Killingworth, Connecticut |
| | Coaches & Trainers | Manorville, New York |
| | Coaches & Trainers, Equine Assisted Therapy, Horse Camps, Horseback Riding, Riding Lessons | Manorville, New York |
| | Coaches & Trainers | Amagansett, New York |
| | Coaches & Trainers | Madison, Connecticut |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons, Horseback Riding, Horse Camps | Southold, New York |
| | Boarding Facilities, Coaches & Trainers, Horse Shows, Riding Lessons, Horseback Riding | Manorville, New York |
| | Boarding Facilities, Coaches & Trainers, Horse Shows, Riding Lessons | Mattituck, New York |
| | Veterinarians | Riverhead, New York |
| | Boarding Facilities | Amagansett, New York |
| | Boarding Facilities | Manorville, New York |
| | Horseback Riding | Central Islip, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Smithtown, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Calverton, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Medford, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Middle Island, New York |
| | Coaches & Trainers | Southold, New York |
| | Coaches & Trainers | Manorville, New York |
| | Veterinarians | East Hampton, New York |
| | Equine Chiropractors, Veterinary Orthopedic Manipulation | East Hampton, New York |
| | Coaches & Trainers | Medford, New York |
| | Coaches & Trainers | Westbrook, Connecticut |
| | Coaches & Trainers | Riverhead, New York |
| | Coaches & Trainers | Medford, New York |
| | Farriers | East Islip, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Bridgehampton, New York |
| | Coaches & Trainers | Medford, New York |
| | Coaches & Trainers | Bridgehampton, New York |
| | Veterinarians | Laurel, New York |
| | Coaches & Trainers | Bridgehampton, New York |
| | Coaches & Trainers | Aquebogue, New York |
| | Farriers | Smithtown, New York |
| | Coaches & Trainers | Manorville, New York |
| | Dental Practitioners, Veterinarians | Manorville, New York |
| | Coaches & Trainers | Islandia, New York |
| | Coaches & Trainers | Madison, Connecticut |
| | Boarding Facilities, Riding Lessons | Madison, Connecticut |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons, Horseback Riding | Madison, Connecticut |
| | Coaches & Trainers | Water Mill, New York |
| | Coaches & Trainers | Islandia, New York |
| | Coaches & Trainers | Mattituck, New York |
| | Coaches & Trainers | Amagansett, New York |
| | Coaches & Trainers | Medford, New York |
| | Feed Stores | Guilford, Connecticut |
| | Veterinarians | Killingworth, Connecticut |
| | Coaches & Trainers | East Quogue, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | East Quogue, New York |
| | Coaches & Trainers | Amagansett, New York |
| | Coaches & Trainers | Islandia, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Medford, New York |
| | Saddle Fitters | Central Islip, New York |
| | Coaches & Trainers | Medford, New York |
| | Coaches & Trainers | Riverhead, New York |
| | Coaches & Trainers | Manorville, New York |
| | Coaches & Trainers | Calverton, New York |
| | Coaches & Trainers | Manorville, New York |
| | Coaches & Trainers | Riverhead, New York |
| | Veterinary Clinic | Laurel, New York |
| | Coaches & Trainers | Bridgehampton, New York |
| | Farriers | Islip Terrace, New York |
| | Coaches & Trainers | Medford, New York |
| | Coaches & Trainers | Amagansett, New York |
| | Veterinary Clinic | Smithtown, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Medford, New York |
| | Coaches & Trainers | East Patchogue, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons, Trail Rides, Horseback Riding | Ridge, New York |
| | Feed Stores | Calverton, New York |
| | Feed Stores | Calverton, New York |
| | Veterinarians | Smithtown, New York |
| | Veterinarians | East Hampton, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Riverhead, New York |
| | Tack Shops | Jamesport, New York |
| | Horseback Riding | Bayport, New York |
| | Coaches & Trainers | Amagansett, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons, Horseback Riding, Equine Assisted Therapy | Islandia, New York |
| | Coaches & Trainers | Islandia, New York |
| | Trail Rides, Horseback Riding, Boarding Facilities, Coaches & Trainers, Riding Lessons | Central Islip, New York |
| | Boarding Facilities | Riverhead, New York |
| | Riding Lessons, Boarding Facilities, Coaches & Trainers, Horse Shows | Water Mill, New York |
| | Carriage Rides | Central Islip, New York |
| | Farriers | Ronkonkoma, New York |
| | Farriers | Jamesport, New York |
| | Equine Chiropractors, Veterinary Orthopedic Manipulation | Farmingville, New York |
| | Trail Rides, Horseback Riding | Rocky Point, New York |
| | Coaches & Trainers | Westbrook, Connecticut |
| | Coaches & Trainers | Westbrook, Connecticut |
| | Horseback Riding, Equine Assisted Therapy | Middle Island, New York |
| | Coaches & Trainers | Smithtown, New York |
| | Coaches & Trainers | Riverhead, New York |
| | Coaches & Trainers | Riverhead, New York |
| | Coaches & Trainers | Islandia, New York |
| | Coaches & Trainers | Islandia, New York |
| | Feed Stores | Shirley, New York |
| | Equine Chiropractors, Veterinary Orthopedic Manipulation | Coram, New York |
| | Boarding Facilities, Horseback Riding | Westbrook, Connecticut |
| | Boarding Facilities, Coaches & Trainers, Horse Shows, Riding Lessons, Horseback Riding | Milford, Connecticut |
| | Coaches & Trainers, Horseback Riding | Islip Terrace, New York |
| | Horseback Riding, Horse Camps, Boarding Facilities, Coaches & Trainers, Riding Lessons | East Patchogue, New York |
| | Coaches & Trainers | Medford, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Aquebogue, New York |
| | Rescue Organization, Equine Assisted Therapy | Riverhead, New York |
| | Boarding Facilities, Riding Lessons, Horseback Riding | Riverhead, New York |
| | Boarding Facilities, Coaches & Trainers, Horse Camps, Horse Shows, Horseback Riding | Amagansett, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons, Horse Camps | Medford, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Manorville, New York |
| | Coaches & Trainers | Clinton, Connecticut |
| | Coaches & Trainers | Mattituck, New York |
| | Horse Camps, Boarding Facilities, Coaches & Trainers, Horseback Riding | Bridgehampton, New York |
| | Feed Stores | Clinton, Connecticut |
| | Feed Stores | Riverhead, New York |
| | Coaches & Trainers | Manorville, New York |
| | Coaches & Trainers | Ridge, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Milford, Connecticut |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Madison, Connecticut |
| | Farriers | Mattituck, New York |
| | Coaches & Trainers | Islandia, New York |
| | Coaches & Trainers | Mattituck, New York |
| | Feed Stores | Old Saybrook, Connecticut |
| | Feed Stores | Guilford, Connecticut |
| | Feed Stores | Medford, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Clinton, Connecticut |
| | Horse Transportation | Ridge, New York |
| | Coaches & Trainers, Boarding Facilities | Bridgehampton, New York |
| | Coaches & Trainers | Mattituck, New York |
| | Boarding Facilities, Coaches & Trainers, Riding Lessons | Westbrook, Connecticut |
| | Tack Shops | Westbrook, Connecticut |
| | Coaches & Trainers | Amagansett, New York |
