| Arrowhead Farms, Inc. | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Concord |
| Avondale Meadows | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Worcester |
| Azrael Acres | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Uxbridge |
| Back Bay Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Ipswich |
| Beland Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Lakeville, Massachusetts |
| Blue Meadow Farm | Horseback Riding, Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Sudbury |
| Bob-Lyn Stable | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Amesbury |
| Bonnie Lea Farm | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Massachusetts, North Adams |
| Boston Equestrian Center | Boarding Stable, Riding Lesson | Massachusetts, Auburn |
| Canterberry Acres | Boarding Stable, Riding Lesson | Massachusetts, Spencer |
| Canton Equestrian Center (CEC) | Boarding Stable, Riding Lesson, Trail Rides | Canton, Massachusetts |
| Century Mill Stables | Breeder, Coaches & Trainers, Horse Show, Riding Lesson, Horseback Riding | Bolton, Massachusetts |
| Chrislar Horse Farm & Equestrian Center | Boarding Stable, Breeder, Coaches & Trainers, Horse Show, Riding Lesson, Horseback Riding | Massachusetts, Rowley |
| Churchill Stables, LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Bedford |
| Clarion Farm, Inc. | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Franklin |
| Clark Performance Horses | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Winchendon |
| Clover Hill Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Marlborough |
| Coggin Creek Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Westfield |
| Colleen O’Connor-Dzik Dressage | Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Boston |
| Cranberry Acres Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Marshfield |
| Devon Glen Farm | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, South Hamilton |
| Dory Meadow Farm | Horseback Riding, Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides | Massachusetts, Newburyport |
| Dry Brook Stables | Riding Lesson | Bernardston, Massachusetts |
| Emerald Hill Farm – Essex, MA | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Equine Blvd | Boarding Stable, Coaches & Trainers, Riding Lesson, Guest Ranch, Horseback Riding | Massachusetts, Agawam |
| Eureka Farm Dressage | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Boston, Massachusetts |
| Full Circle Equestrian | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Taunton |
| Full Circle Equestrian – Blackstone, MA | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Worcester |
| Golden Moon Farm | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Douglas |
| Grand Champion Show Stables | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Boston |
| Greene Acres Equestrian Center | Boarding Stable, Riding Lesson | Massachusetts, Belchertown |
| Greystone Stables – Jefferson, MA | Boarding Stable, Coaches & Trainers, Horseback Riding, Riding Lesson | Holden, Massachusetts |
| Harmony Horse Stables | Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson, Horseback Riding, Horse Camps | Massachusetts, Littleton |
| Hidden Hollow Farm | Boarding Stable, Riding Lesson, Trail Rides, Horseback Riding, Horse Camps | Massachusetts, Pembroke |
| Hideaway Farm | Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Taunton |
| High Tail Acres, LLC | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Newbury |
| Hillside Meadows Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Grafton |
| Horse SenseAbility | Riding Lesson, Horseback Riding, Equine Assisted Therapy | Massachusetts, Sherborn |
| Hudson Derby Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Plymouth |
| Huntersbrook Stable | Horseback Riding, Boarding Stable, Riding Lesson | Massachusetts, Norwell |
| Iron Horse Dressage | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Framingham |
| JPh Equestrian | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Concord |
| Katydid Farm | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Westport |
| Lalobarun Ranch | Boarding Stable, Breeder, Riding Lesson | Massachusetts, Newbury, United States |
| Liberty Hill | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Leominster |
| Maplewood Farm | Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson, Horseback Riding | Massachusetts, Marlborough |
| Midnight Moon Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Chelmsford |
| Misty Meadows Equine Learning Center | Equine Assisted Therapy, Coaches & Trainers, Riding Lesson, Horseback Riding, Horse Camps | Massachusetts, West Tisbury |
| Morning Star Stables – Rehoboth, MA | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Rehoboth |
| Mountain View Training Center | Horseback Riding, Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Granby |
| New Generation Equestrian Services | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Foxborough, Massachusetts |
| Newbury Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Littleton |
| North Star Farm | Boarding Stable, Breeder, Coaches & Trainers, Horse Camps, Horseback Riding, Riding Lesson | Massachusetts, Norwell |
| Northern High Farm | Boarding Stable, Riding Lesson | Massachusetts, North Brookfield |
| Old Bear Farm | Horseback Riding, Boarding Stable, Riding Lesson | Massachusetts, Plymouth |
| Orchard Hill Equestrian Center | Horse Camps, Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Marlborough |
| Palmer River Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding, Horse Camps | Massachusetts, Rehoboth |
| Red Horse Farm | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Hanson |
| Reevedale Farm LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Middleboro |
| Rising Hope Farm | Equine Assisted Therapy, Horseback Riding, Riding Lesson | Boston, Massachusetts |
| Rising Star Equestrian Center – Medway, MA | Horse Show, Riding Lesson, Horseback Riding, Boarding Stable, Coaches & Trainers | Massachusetts, Franklin |
| Rising Star Stables | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Plymouth, Massachusetts |
| River Wind Farm | Horseback Riding, Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson | Massachusetts, Pembroke |
| Sheriffmuir Farm | Boarding Stable, Breeder, Riding Lesson, Horseback Riding | Massachusetts, Boston |
| Silvercryst Farm | Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding, Boarding Stable | Massachusetts, Southwick |
| Solstice Farm | Horseback Riding, Equine Assisted Therapy, Coaches & Trainers, Riding Lesson | Massachusetts, Lee |
| Stone Ridge Farm Equestrian | Horseback Riding, Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides | Massachusetts, Newburyport |
| The Therapeutic Equestrian Center | Riding Lesson, Horseback Riding, Equine Assisted Therapy | Massachusetts, Holyoke |
| There Be Dragons Farm | Coaches & Trainers, Riding Lesson | Massachusetts, Littleton |
| Topline Stables, LLC | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Medfield |
| White Spruce Farms | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, New Braintree |
| Willow Brook Farm – Holliston, MA | Horse Camps, Equine Assisted Therapy, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Boston |
| Wind Crest Horse Farm | Boarding Stable, Riding Lesson, Trail Rides, Horseback Riding | Massachusetts, Newburyport |
| Winsome Riding Academy, Inc. | Riding Lesson, Trail Rides, Horseback Riding, Equine Assisted Therapy | Massachusetts, Boston |
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