| 3 Clovers Ranch | Boarding Stable | Maryland, Hagerstown |
| A Bit Better Farm | Riding Lesson, Horseback Riding, Boarding Stable, Coaches & Trainers | Maryland, Brookeville |
| Above And Beyond Farm | Boarding Stable | Hagerstown, Maryland |
| Airy Hill Stables | Equine Assisted Therapy, Boarding Stable | Chestertown, Maryland |
| Allan & Clover Sport Horses | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Harwood |
| Amazing Grace Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Maryland, Parkton |
| Ampe Performance Horses | Boarding Stable, Breeder, Coaches & Trainers | Hagerstown, Maryland |
| AOPF Stables | Boarding Stable, Coaches & Trainers, Horse Show, Horseback Riding, Riding Lesson | Maryland, Upperco |
| At Last Farm | Boarding Stable | Maryland, Woodstock |
| Bald Cypress Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson, Equine Assisted Therapy | Maryland, Salisbury |
| Barry Dornon Horsemanship | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Upperco |
| Bascule Farm LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Poolesville |
| Bay View Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Union Bridge |
| Baywood Farms | Boarding Stable, Riding Lesson, Horseback Riding | Maryland, Harwood |
| Beech Grove Farm | Riding Lesson, Boarding Stable, Coaches & Trainers | Gambrills, Maryland |
| Begin Again Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Leonardtown |
| Big Easy Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Boyds |
| Birds Nest Ranch | Coaches & Trainers, Riding Lesson, Horseback Riding, Boarding Stable | Maryland, Taneytown |
| Black Acre Farms | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, Berlin |
| Boarders of Circle E Farm | Boarding Stable | Maryland, Sykesville |
| Bonita Farm | Boarding Stable, Horseback Riding | Maryland, Darlington |
| Breezy Run Farm | Boarding Stable, Breeder, Riding Lesson | Maryland, Church Hill |
| Broad Creek Bloodstock | Boarding Stable | Maryland, Fort Washington |
| Bucking Tradition | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Tracys Landing |
| Bumpy Oak Farm and Stables | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, La Plata |
| Burning Benjamins | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Clarksville |
| C&J Acres | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Rohrersville |
| C&K Stables | Riding Lesson, Boarding Stable, Coaches & Trainers | Maryland, Thurmont |
| Calvert Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Saint Leonard |
| Capall Milis Stables | Boarding Stable | Maryland, Glen Arm |
| Caper Lea Inc. | Boarding Stable, Horseback Riding, Equine Massage Therapist | Maryland, Easton |
| Cavalli Equestrian Academy | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Woodbine |
| Center Peace Farm | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, Lanham |
| Chapman Reining Horses | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Woodbine |
| Christine Betz Dressage | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson | Maryland, Rocky Ridge |
| Circle R Ranch | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Maryland, Oakland |
| Clarity Riding | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Davidsonville |
| Clay Hill Stables | Boarding Stable | Maryland, Hyattsville |
| Clayton Ridge Horse Farm | Boarding Stable, Riding Lesson | Maryland, Joppa |
| Clover Run Riding | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Edgewater |
| Coexist Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Mount Airy |
| Cool Meadows Farm | Riding Lesson, Horseback Riding, Boarding Stable, Coaches & Trainers | Maryland, Jarrettsville |
| Cordova Equestrian | Boarding Stable | Maryland, Cordova |
| Country Comfort Farm | Boarding Stable, Coaches & Trainers, Horseback Riding, Riding Lesson, Trail Rides | Maryland, St Michaels |
| Country Haven Stables | Boarding Stable, Horseback Riding | Maryland, Saint Leonard |
| Country Life and Merryland Farms | Boarding Stable, Coaches & Trainers, Guest Ranch, Horseback Riding | Maryland, Fallston |
| Covered Bridge Farm | Boarding Stable, Coaches & Trainers, Trail Rides, Horseback Riding | Maryland, Woodbine |
| Crickhollow Farm | Boarding Stable | Maryland, Westover |
| Cross Fire Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Damascus |
| Dakota’s Legacy Equine | Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson, Horseback Riding | Maryland, Great Mills |
| De Novo Farm | Horseback Riding, Boarding Stable, Riding Lesson | Gambrills, Maryland |
| Deer Creek Racing | Boarding Stable, Horseback Riding | Maryland, Forest Hill |
| Dream Catcher Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Adamstown |
| Elberton Hill Farm | Horseback Riding, Boarding Stable, Breeder | Maryland, Darlington |
| Elixir Horse Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Whiteford |
| Ellison Equine | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Elkton |
| Ennisbrook Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Queenstown |
| Enticement Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Harwood |
| Fair Hill Stables | Boarding Stable | Maryland, Elkton |
| Feelgood Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Tuscarora |
| Finish Line Farm | Riding Lesson, Boarding Stable, Coaches & Trainers | Rising Sun, Maryland |
| Flying K Farm | Boarding Stable | Maryland, Joppa |
| Fox Den Farm | Boarding Stable, Breeder | Maryland, Union Bridge |
| Foxfyre Farm | Boarding Stable | Maryland, Leonardtown |
| Free Rein Farm | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Maryland, Gaithersburg |
| Full Moon Farm – Finksburg, MD | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Maryland, Finksburg |
| Gayfields Farm | Boarding Stable | Maryland, Pasadena |
| GemStone Stable | Boarding Stable, Horseback Riding | Maryland, Hagerstown |
| Graham Equestrian Center | Coaches & Trainers, Riding Lesson, Horseback Riding, Boarding Stable | Maryland, Glen Arm |
| Grove Point Stables | Riding Lesson, Trail Rides, Horseback Riding, Horse Camps, Boarding Stable | Earleville, Maryland |
| H/J Horse Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Accokeek |
| Harford Furnace Equestrian Center | Coaches & Trainers, Riding Lesson, Boarding Stable | Bel Air, Maryland |
| Harwood Farm | Boarding Stable | Maryland, Woodbine |
| Hawks Hollow Farm | Boarding Stable, Coaches & Trainers, Riding Lesson, Horse Camps | Maryland, Kingsville |
| HD Performance Horses | Boarding Stable, Coaches & Trainers, Riding Lesson | Churchville, Maryland |
| Heritage Harvest Farm | Boarding Stable, Riding Lesson | Maryland, Boonsboro |
| Hidden Acres – MD | Boarding Stable | Maryland, Rising Sun |
| Hidden Lane Farm, LLC | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Woodbine |
| High Ridge Farm | Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson | Maryland, Manchester |
| High Tail It Stables | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Maryland, Lusby |
| High’s Performance Livestock | Riding Lesson, Boarding Stable, Coaches & Trainers | Maryland, Jefferson |
| Hilltop Farm, Inc. | Riding Lesson, Horseback Riding, Boarding Stable, Breeder, Coaches & Trainers | Maryland, Colora |
| Hilltop Farm, Inc. | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | Maryland, Colora |
| His Lordship’s Kindness Horse Farm | Boarding Stable | Maryland, Clinton |
| Holly Ridge Farm Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Maryland, Willards |
| Honey Acres Farm | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding | Maryland, Boyds |
| Hope Riders Of Clinton Maryland | Boarding Stable, Coaches & Trainers, Riding Lesson | Brandywine, Maryland |
| Hossin’ Around Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Accokeek |
| Hunt View Riding Academy | Riding Lesson, Trail Rides, Horseback Riding, Boarding Stable, Coaches & Trainers | Maryland, Germantown |
| Hunter Ridge | Boarding Stable | Maryland, Upper Marlboro |
| Ironstar Outpost East & West | Horseback Riding, Horse Camps, Boarding Stable, Trail Rides | Maryland, Sykesville |
| James Run Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Bel Air, Maryland |
| JET Stone – Dickerson, MD | Boarding Stable, Coaches & Trainers, Horseback Riding | Maryland, Dickerson |
| Join Up Horse Training | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Fallston |
| Kara Listrani | Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson | Maryland, Brookeville |
| Katie Wherley Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Middletown |
| Kelly McGinn Dressage | Horseback Riding, Boarding Stable, Coaches & Trainers, Riding Lesson | Easton, Maryland |
| KGK Equestrian | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, Monkton |
| Kings Valley Stables | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Maryland, Clarksburg |
| KT’s Natural Performance Horses | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Forest Hill |
| Liberty Ridge Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Brandywine |
| Liberty Stables | Boarding Stable | Finksburg, Maryland |
| Linden Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | La Plata, Maryland |
| Loch Moy Farm | Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson | Maryland, Adamstown |
| Lucky Cricket Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Huntingtown |
| Marlan Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Freeland |
| Marlboro Ridge Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Upper Marlboro |
| Meadow Lake Stables | Boarding Stable | Maryland, Oakland |
| Meadowbrook Stables | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding, Horse Camps | Maryland, Chevy Chase |
| Merkel Farm Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Bowie |
| Miles Ahead Farm | Riding Lesson, Boarding Stable, Coaches & Trainers | Maryland, Adamstown |
| Molly Hill Farm | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Maryland, Whiteford |
| Moon Rising Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Boyds |
| Morgan Run Stables | Boarding Stable | Maryland, Westminster |
| Morningside Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Laurel |
| NFF Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Poolesville |
| North Fork School of Equitation | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Jefferson |
| Northview Stallions | Boarding Stable, Breeder, Horseback Riding | Maryland, Chesapeake City |
| On Course Equestrian Services | Boarding Stable, Trail Rides, Horseback Riding | Maryland, Havre de Grace |
| One Love Equine | Boarding Stable | Maryland, Churchville |
| Opening Number Riding Academy | Riding Lesson, Horse Camps, Boarding Stable, Coaches & Trainers | Maryland, Rising Sun |
| Out of the Box Stables | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Maryland, Gaithersburg |
| Paddock Place Stables | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, Pylesville |
| Patapsco Horse Center | Boarding Stable | Maryland, Catonsville |
| Patuxent Run Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Prince Frederick |
| Persimmon Tree Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Westminster |
| Pickwick Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Sykesville |
| Pillars Equestrian | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Waldorf |
| Piscataway Riding Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Clinton |
| Potomac Riverside Stables | Boarding Stable, Coaches & Trainers, Horse Show, Horseback Riding, Riding Lesson, Trail Rides | Dickerson, Maryland |
| Promised Land Horse Farm | Boarding Stable | Maryland, Baldwin |
| Raylyn Farms | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Maryland, Frederick |
| Red Rebel Stables At Chaney’s Promise | Boarding Stable | Maryland, Harwood |
| Reflecting Heaven Stables | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Grantsville |
| River Valley Ranch | Boarding Stable, Coaches & Trainers, Horse Camps, Horseback Riding, Riding Lesson, Trail Rides | Maryland, Manchester |
| Rockland Stables | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, Westminster |
| Rolling Acres Show Stable | Riding Lesson, Horseback Riding, Boarding Stable, Coaches & Trainers | Maryland, Brookeville |
| Rusted Star Ranch | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Maryland, Berlin |
| Saddle Up 4 Fun | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding, Equine Assisted Therapy | Maryland, Upper Marlboro |
| Sagamore Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Reisterstown |
| Semper Fi Fields | Boarding Stable | Chestertown, Maryland |
| Serenity Crown Horse Farm | Boarding Stable, Breeder | Maryland, Fairplay |
| Shamrock Farm | Boarding Stable, Breeder | Woodbine, Maryland |
| Skillman Stables | Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson | Maryland, Upper Falls |
| Soft Landing Stables | Boarding Stable | Maryland, Accokeek |
| South Breeze at Chaptico Manor | Riding Lesson, Horse Camps, Boarding Stable, Coaches & Trainers | Maryland, Mechanicsville |
| Southern Grace Farm | Riding Lesson, Tack Shop, Boarding Stable, Coaches & Trainers | Maryland, Bel Alton |
| Spring Gap Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Cumberland |
| Springfield Horse Farm | Boarding Stable | Maryland, Parkville |
| Star Community | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding, Equine Assisted Therapy | Maryland, Hagerstown |
| Steel Horse Stables | Boarding Stable | Maryland, Glen Burnie |
| Still Pond Stables | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, Glen Arm |
| Stoneleigh Equine | Boarding Stable, Coaches & Trainers | Maryland, Clear Spring |
| Summerfield Farm | Boarding Stable, Coaches & Trainers, Riding Lesson | Lothian, Maryland |
| Sunny Knoll Farm | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, Finksburg |
| Sunset Hill Farm | Boarding Stable | Maryland, Woodbine |
| Tag Along Farm | Boarding Stable | Maryland, Davidsonville |
| Taking the Lead | Boarding Stable, Coaches & Trainers, Equine Assisted Therapy, Riding Lesson | Freeland, Maryland |
| Talbot Run Equestrian Center | Riding Lesson, Boarding Stable, Coaches & Trainers | Maryland, Mount Airy |
| Tanglao Carriage Driving | Boarding Stable, Coaches & Trainers, Riding Lesson, Carriage Rides | Maryland, Denton |
| TBs Everything Equine | Riding Lesson, Boarding Stable, Coaches & Trainers | Maryland, Mount Airy |
| Tenacity Stables | Boarding Stable, Riding Lesson | Maryland, Dickerson |
| The Horse Project | Coaches & Trainers, Horseback Riding, Rescue Organization, Equine Assisted Therapy, Boarding Stable | Maryland, Towson |
| The Stables at Cedar Farm | Boarding Stable | Maryland, Rising Sun |
| Thunder Mountain Stables | Riding Lesson, Boarding Stable, Coaches & Trainers | Maryland, Keymar |
| Thunder Valley Ranch | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Maryland, Taneytown |
| Timberbrook Farm | Boarding Stable, Breeder, Riding Lesson | Maryland, Freeland |
| Timbuktu Arabian Horse Farm | Boarding Stable | Maryland, Waldorf |
| Tom’s Cove Quarter Horses | Boarding Stable | Maryland, Chincoteague |
| Topline Equestrian Center – MD | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Frederick |
| Trinity Horse Farm | Riding Lesson, Horseback Riding, Boarding Stable, Coaches & Trainers | Maryland, Laurel |
| Two Sisters Farm | Boarding Stable | Dickerson, Maryland |
| Unalome Dressage | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Hydes |
| Urban Ridge Farm | Boarding Stable, Coaches & Trainers, Horse Show, Riding Lesson | Maryland, Owings Mills |
| Valley Meadow Farms | Boarding Stable, Trail Rides, Horseback Riding, Horse Camps | Maryland, Hancock |
| Waredaca | Riding Lesson, Horseback Riding, Boarding Stable, Coaches & Trainers | Maryland, Laytonsville |
| Westbrook Horse Farm | Boarding Stable | Maryland, Upper Marlboro |
| Western Trails | Boarding Stable, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | Oakland, Maryland |
| Whispering Hollow Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, North East |
| Whispering Meadows Equestrian Center | Boarding Stable, Coaches & Trainers, Riding Lesson | Maryland, Parkton |
| Willow Mist Riding School | Boarding Stable, Coaches & Trainers, Riding Lesson, Horse Camps | Maryland, Poolesville |
| Willow Wood Show Stables | Riding Lesson, Boarding Stable, Coaches & Trainers | Maryland, Woodbine |
| Windsong Arabians | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, Mt Airy |
| Windy Way Horses | Coaches & Trainers, Riding Lesson, Boarding Stable | Maryland, Hurlock |
| Wito Hollow Farm | Boarding Stable | Maryland, Lothian |
| Woodstock Farm and Stables | Boarding Stable, Coaches & Trainers, Riding Lesson, Horseback Riding | Maryland, Chesapeake City |
| Worthmore Equestrian Center | Riding Lesson, Equine Assisted Therapy, Boarding Stable, Coaches & Trainers | Maryland, Worton |
| Wyndham Oaks | Coaches & Trainers, Riding Lesson, Horseback Riding, Boarding Stable | Maryland, Boyds |
| Yellow Wood Dressage | Boarding Stable, Coaches & Trainers, Horseback Riding, Riding Lesson | Maryland, Rising Sun |
