| A Touch of Majic Equestrian Center | Boarding Stable | Massachusetts, Pepperell |
| Agawam Stables | Boarding Stable | Agawam, Massachusetts |
| Amethyst Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Amherst |
| Anderson Equine LLC | Boarding Stable, Coaches & Trainers, Riding Lesson, Sports massage, Equine Massage Therapist | Massachusetts, Worcester |
| Andover Equestrian, LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Apple Knoll Farm | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Millis |
| Arrowhead Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, West Tisbury |
| Arrowhead Farms, Inc. | Boarding Stable, Coaches & Trainers, Riding Lesson | Concord, Massachusetts |
| Ascot Riding Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Ipswich |
| Avondale Meadows | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Worcester |
| Az U Mak It Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Plympton |
| Azrael Acres | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Uxbridge |
| Back Bay Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Ipswich |
| BARK Meadow Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, West Boxford |
| Bear Spot Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Concord |
| Beland Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Lakeville, Massachusetts |
| Blazing Saddles Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Blue Meadow Farm | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Sudbury |
| Blue Riders Stables | Boarding Stable, Coaches & Trainers, Riding Lesson, Equine Assisted Therapy | Massachusetts, Pittsfield |
| Bob-Lyn Stable | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Amesbury |
| Bobby’s Ranch | Horseback Riding, Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides | Massachusetts, Boston |
| Bobcat Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Upton |
| Bonnie Lea Farm | Trail Rides, Horseback Riding, Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson | Massachusetts, North Adams |
| Boston Equestrian Center | Boarding Stable, Riding Lesson | Auburn, Massachusetts |
| Brad Emmanuel | Boarding Stable, Breeder, Farrier, Horse Clipping, Horse Show, Trail Rides | Bridgewater, Massachusetts |
| Briggs Stable | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Hanover |
| C J’s Ranch | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, West Barnstable |
| Canterberry Acres | Boarding Stable, Riding Lesson | Massachusetts, Spencer |
| Canton Equestrian Center (CEC) | Boarding Stable, Riding Lesson, Trail Rides | Canton, Massachusetts |
| Cardinal Ridge Equestrian Center | Boarding Stable | Massachusetts, North Brookfield |
| Caribbean Cowboy Corporation | Boarding Stable, Coaches & Trainers, Horse Transportation, Riding Lesson | Massachusetts, Bridgewater |
| Carriage Hill Farm | Boarding Stable | Massachusetts, Upton |
| Cedarwood Farm | Trail Rides, Horseback Riding, Boarding Stable | Massachusetts, Ipswich |
| Chrislar Horse Farm & Equestrian Center | Boarding Stable, Breeder, Coaches & Trainers, Horse Show, Horseback Riding, Riding Lesson | Massachusetts, Rowley |
| Churchill Stables, LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Bedford |
| City View Stables Feed & Tack Shop | Boarding Stable, Tack Shop | Massachusetts, Westport |
| Clarion Farm, Inc. | Riding Lesson, Boarding Stable, Coaches & Trainers | 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 |
| Clover Hill Farm – Massachusetts | Boarding Stable | Pittsfield, Massachusetts |
| Clover Hill Farm – Williamstown, MA | Boarding Stable, Trail Rides, Horseback Riding | Massachusetts, North Adams |
| Coachmans Delight | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Framingham |
| Coggin Creek Stables | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Westfield |
| Copper Moon Farm | Boarding Stable | Massachusetts, Boston |
| Cornerstone Farm – Haverhill, MA | Boarding Stable | Boston, Massachusetts |
| Cornerstone Farm – MA | Boarding Stable | Massachusetts, Newbury |
| Cornerstone Ranch | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Massachusetts, Leominster |
| Countryside Farm | Boarding Stable | Massachusetts, Attleboro |
| Course Brook Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Sherborn, Massachusetts |
| Craig Memorial Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Massachusetts, Springfield |
| Cranberry Acres Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Marshfield |
| Creek Crossing Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Hingham |
| Cutter Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Dracut |
| Devon Glen Farm | Coaches & Trainers, Riding Lesson, Horseback Riding, Boarding Stable | Massachusetts, South Hamilton |
| Diamond Brook Farm | Boarding Stable | West Boxford, Massachusetts |
| Divinity Farm | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding, Equine Assisted Therapy | Massachusetts, Groveland |
| Domnarski Farm | Boarding Stable, Trail Rides, Horseback Riding | Massachusetts, Ware |
| Dorbill Stables | Boarding Stable, Coaches & Trainers, Riding Lesson, Tack Shop | Bridgewater, Massachusetts |
| Dory Meadow Farm | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Massachusetts, Newburyport |
| Dove Hill, LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Amesbury |
| Dream Horse Canadians | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Hanson |
| DreamCatcher Horsemanship | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Worcester |
| Driftway Meadows LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Westport |
| Drybrook Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Bernardston |
| East Hill Farm Riding Academy | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Holden |
| Eastfield Farm – MA | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Rehoboth |
| Edinger Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Rehoboth |
| Edward J. Hurley | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Hanover |
| Emerald Hill Farm – Essex, MA | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Epona Equine Eventing | Boarding Stable, Coaches & Trainers, Riding Lesson | Plainville, Massachusetts |
| Equine Blvd | Boarding Stable, Coaches & Trainers, Riding Lesson, Guest Ranch, Horseback Riding | Massachusetts, Agawam |
| Equine Boulevard | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Agawam |
| Eureka Farm Dressage | Horseback Riding, Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Even Keel Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Taunton |
| Evenstride | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Newbury |
| Exclusive Equestrian Services | Equine Bodywork, Boarding Stable, Coaches & Trainers, Equine Acupuncturist, Equine Massage Therapist, Equine Nutritionist, Riding Lesson, Sports massage | Boston, Massachusetts |
| Fairfield Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Rochester |
| Fairview Farms | Boarding Stable, Coaches & Trainers, Riding Lesson | Monson, Massachusetts |
| Farm at Sweetwater | Coaches & Trainers, Horseback Riding, Boarding Stable | Massachusetts, Lancaster |
| Flatlands Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Rehoboth |
| Flying Change Stable | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Chelmsford |
| Flying High Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Ipswich |
| Footloose Stables | Boarding Stable | Plymouth, Massachusetts |
| Foreman Equestrian Arts | Boarding Stable, Coaches & Trainers, Riding Lesson | Pepperell, Massachusetts |
| Forest Riding Academy | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Boston |
| Four Winds Farm – Massachusetts | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Hanover |
| Full Circle Equestrian | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Taunton |
| Full Circle Equestrian – Blackstone, MA | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Worcester |
| Full EnVision Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Taunton |
| Full Of Grace Farm | Riding Lesson, Equine Assisted Therapy, Boarding Stable, Coaches & Trainers | Massachusetts, Hadley |
| Furnace Brook Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Marshfield |
| Golden Moon Farm | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Douglas |
| Grand Champion Show Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Greene Acres Equestrian Center | Boarding Stable, Riding Lesson | Massachusetts, Belchertown |
| Greenwood Stables | Boarding Stable | Massachusetts, Chelmsford |
| Greystone Stables – Jefferson, MA | Boarding Stable, Coaches & Trainers, Horseback Riding, Riding Lesson | Holden, Massachusetts |
| Haland Stables | Horseback Riding, Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Falmouth |
| Harbourview Farms | Boarding Stable | Massachusetts, Salisbury |
| Harmony Hill Farm | Boarding Stable, Breeder, Coaches & Trainers, Horse Show | Great Barrington, Massachusetts |
| Harmony Hill Horse Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Harmony Horse Stables | Boarding Stable, Coaches & Trainers, Horse Camps, Horse Show, Horseback Riding, Riding Lesson | Littleton, Massachusetts |
| Hawkswood Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Rehoboth |
| Heart Rock Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Marshfield |
| Hélène’s Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Groton |
| Hidden Hollow Farm | Boarding Stable, Riding Lesson, Trail Rides, Horseback Riding, Horse Camps | Massachusetts, Pembroke |
| High Tail Acres, LLC | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Newbury |
| Higher Than I Farm | Boarding Stable | Plainville, Massachusetts |
| Hillside Meadows Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Grafton |
| Hillwood Stables | Boarding Stable | Massachusetts, Northampton |
| HL Select Show Stables | Boarding Stable, Coaches & Trainers | Massachusetts, Boxborough |
| Holly Hill Show Stable | Boarding Stable, Coaches & Trainers, Riding Lesson | Hanover, Massachusetts |
| HomeFarm at Undermountain | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Springfield |
| Horses Healing Hearts | Boarding Stable, Coaches & Trainers, Equine Assisted Therapy, Horseback Riding, Riding Lesson | Massachusetts, Salisbury |
| Hudson Derby Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Plymouth |
| Hunt Horse | Boarding Stable | Massachusetts, Amesbury |
| Hunters Haven Farm | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Groveland |
| Huntersbrook Stable | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Norwell |
| Indian Rock Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Infinity Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Amherst |
| Infinity Equine | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Newbury |
| Iron Horse Dressage | Boarding Stable, Coaches & Trainers, Horseback Riding, Riding Lesson | Framingham, Massachusetts |
| J&M Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Westfield, Massachusetts |
| J&M Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Westfield |
| JDS Equine Services | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts |
| Jelich Farms | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Boston |
| JPh Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Concord |
| K3M Sitting & Show Services | Boarding Stable | Massachusetts, Monson |
| KatFish Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Katydid Farm | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Westport |
| Kismet Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Hanover |
| La Stalla Rosa Family Horse Farm | Boarding Stable | Massachusetts, Franklin |
| Lalobarun Ranch | Boarding Stable, Breeder, Riding Lesson | Massachusetts, Newbury, United States |
| Lanes End Farm | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Danvers |
| Lazy J Ranch, LLC | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding, Equine Assisted Therapy, Equine Assisted Learning | Massachusetts, Salisbury |
| Ledyard Farm Stable | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Hamilton |
| Legacy Farm – MA | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Northampton |
| Legacy Stables – MA | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Middleboro |
| Leslie Desmond Horsemanship | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Great Barrington |
| Liberty Hill | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Leominster |
| Liberty Tree Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Acton |
| Little Bear Stables, Inc. | Rescue Organization, Boarding Stable | Massachusetts, Lancaster |
| Littlefield Animal Care | Boarding Stable, Coaches & Trainers | Massachusetts, Stow |
| Loland Oaks Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Worcester |
| Lonesome Dove Stables | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Taunton |
| Lost Meadow Farm | Boarding Stable | Massachusetts, Boston |
| Lucky Buck Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Rochester |
| Lythrum Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Acton, Massachusetts |
| Maple Grove Farm | Boarding Stable | Massachusetts, Boston |
| Maplewood Farm | Coaches & Trainers, Horse Show, Riding Lesson, Horseback Riding, Boarding Stable | Marlborough, Massachusetts |
| Masconette Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, East Longmeadow |
| Meeting House Farm | Riding Lesson, Trail Rides, Horseback Riding, Boarding Stable, Coaches & Trainers | Sandwich, Massachusetts |
| Metro West Riding Academy | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Littleton |
| Michelle Cravenho Training | Boarding Stable, Coaches & Trainers, Riding Lesson | Taunton, Massachusetts |
| Midnight Moon Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Chelmsford |
| Morning Light Farm | Coaches & Trainers, Horseback Riding, Boarding Stable | Massachusetts, Springfield |
| Morning Star Stables – Rehoboth, MA | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Rehoboth |
| Mountain View Training Center | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Granby |
| New England Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Millis |
| New Generation Equestrian Services | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Foxborough |
| New World Riding | Riding Lesson, Horseback Riding, Boarding Stable, Coaches & Trainers | Massachusetts, Marlborough |
| Newbury Farm | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Littleton |
| Next Venture Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Framingham |
| Nick of Time Equine | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Lanesboro |
| North Star Farm | Boarding Stable, Breeder, Coaches & Trainers, Horse Camps, Horseback Riding, Riding Lesson | Massachusetts, Norwell |
| Northern High Farm | Boarding Stable, Riding Lesson | North Brookfield, Massachusetts |
| Old Bear Farm | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Plymouth |
| Olde Dartmouth Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, South Dartmouth |
| Oliynyk Show Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Plainville |
| Orchard Hill Equestrian Center | Boarding Stable, Coaches & Trainers, Horse Camps, Horseback Riding, Riding Lesson | Marlborough, Massachusetts |
| Palmer River Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding, Horse Camps | Massachusetts, Rehoboth |
| Pine Hill Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Taunton |
| Pleasure Horse | Boarding Stable | Holyoke, Massachusetts |
| Plum Grove Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Groveland |
| Pony Pals Riding Academy | Boarding Stable, Riding Lesson | Littleton, Massachusetts, United States |
| Powderly Meadows | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Massachusetts, Lakeville |
| Power & Stride Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Pepperell |
| Red Acre Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Stow |
| Red Horse Farm | Boarding Stable, Riding Lesson, Horseback Riding | Massachusetts, Hanson |
| Red Pony Farm | Boarding Stable | Massachusetts, West Tisbury |
| Reevedale Farm LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Middleboro |
| Ridge Valley Stables | Trail Rides, Horseback Riding, Boarding Stable, Coaches & Trainers, Horse Transportation, Riding Lesson | Massachusetts, Grafton |
| Rising Star Equestrian Center | Boarding Stable, Coaches & Trainers, Horse Show, Horseback Riding, Riding Lesson | Franklin, Massachusetts |
| Rising Star Stables | Horseback Riding, Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Plymouth |
| River Wind Farm | Boarding Stable, Coaches & Trainers, Horse Show, Horseback Riding, Riding Lesson | Massachusetts, Pembroke |
| Riverfront Farm LLC | Boarding Stable | Massachusetts, Concord |
| Rock Valley Farm | Boarding Stable | Massachusetts, Worcester |
| Rocking R Farm | Boarding Stable | Massachusetts, Pittsfield |
| Ronhock Shire Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Plainville |
| Ronnie Andersen Show Stables | Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson | Massachusetts, Acton |
| Rustic River Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Townsend |
| Sage Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Boston, Massachusetts |
| Seahorse Equestrian Center | Boarding Stable | Massachusetts, Chatham |
| Serra Stables | Boarding Stable | Massachusetts, Petersham |
| Settlement Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Townsend |
| Shepherd’s Way Farm | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Taunton |
| Sheriffmuir Farm | Breeder, Riding Lesson, Horseback Riding, Boarding Stable | Massachusetts, Boston |
| Shining Star Farm | Boarding Stable | Massachusetts, Spencer |
| Signal Rock Stables | Boarding Stable | Massachusetts, Sturbridge |
| Silver Dewy Ranch | Boarding Stable | Massachusetts, Spencer |
| Silver Moon Riding Acadamy | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Swansea |
| Silvercryst Farm | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Massachusetts, Southwick |
| Silvershell Inn | Boarding Stable, Guest Ranch, Horseback Riding | Massachusetts, East Wareham |
| Silverstone Stables and Farms | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Concord |
| Smithfield Farm | Boarding Stable | Massachusetts, Falmouth |
| Sons of the Wind Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Amesbury |
| South Shore Riding Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Marshfield |
| Spring Tide Farm | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, West Boxford |
| Spring Willow Farm – MA | Boarding Stable | Massachusetts, Mendon |
| Starwind Farm | Boarding Stable | Massachusetts, Northampton |
| Stone Arbor Farm | Boarding Stable | Upton, Massachusetts |
| Stone Pony Farm | Boarding Stable | Massachusetts, Amherst |
| Stone Ridge Farm Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Massachusetts, Newburyport |
| Stoneymeade Farm | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Concord |
| Stony Creek Farm | Boarding Stable | Massachusetts, Swansea |
| Stowe Farm | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Massachusetts, Millbury |
| Sugar Ridge Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Boston |
| Summer Hill Farm – MA | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Plainville |
| Sunflower Meadows Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Taunton |
| Sweet Meadow Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Sherborn |
| Taplin Farm | Boarding Stable | Massachusetts, Dracut |
| Teich Eventing | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Marlborough |
| The Common Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Millbury, Massachusetts |
| The Forgotten Ones Horse Rescue | Boarding Stable, Rescue Organization | Massachusetts, Townsend |
| The Ponderaia | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Massachusetts, Boston |
| The Water’s Edge | Boarding Stable | Massachusetts, Sudbury |
| The Whitney Farm | Boarding Stable | Greenfield, Massachusetts |
| Thomas Ford | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Pepperell, United States |
| Three Painted Acres Dressage | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Pembroke |
| Topline Stables, LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Medfield |
| Twisdenwood II | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Rowley |
| V Garre Stables | Boarding Stable | Holden, Massachusetts |
| VanderZicht Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Uxbridge |
| Verrill Farm Stable | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Concord |
| Victory Stables, Inc. | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, Boston |
| Vining Hill Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Southwick |
| Walnut Hill Farm | Coaches & Trainers, Riding Lesson, Boarding Stable | Massachusetts, Plainville |
| Wander’s Way Farm | Boarding Stable, Breeder, Coaches & Trainers | Massachusetts, Ipswich |
| Water’s Edge Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Concord |
| Whip-o-Will Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Auburn |
| Whispering Pine Acres | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Dighton |
| White Spruce Farms | Riding Lesson, Boarding Stable, Coaches & Trainers | Massachusetts, New Braintree |
| Wildflower Stables | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding, Equine Assisted Therapy | Massachusetts, Boston |
| Willowdale Farm | Boarding Stable | Massachusetts, Topsfield |
| Wind Crest Horse Farm | Trail Rides, Horseback Riding, Boarding Stable, Riding Lesson | Newburyport, Massachusetts |
| Windfall Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Plainville |
| Windkist Equestrian Centre | Boarding Stable, Coaches & Trainers, Riding Lesson, Horse Camps | Boston, Massachusetts |
| Windrush Farm | Coaches & Trainers, Boarding Stable, Equine Assisted Therapy, Horseback Riding | Boston, Massachusetts |
| Windstar Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Leominster |
| Winters End Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Canton, Massachusetts |
| Winthrop Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Rowley |
| Wolf Rock Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Plympton |
| Woodridge Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Sherborn |
| Y-Knot Equine Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Massachusetts, Granby |
