| AK Arabians | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, Escondido |
| Alan Needle | Breeder, Coaches & Trainers | California, Temecula |
| Allen’s Performance Horses | Riding Lesson, Boarding Stable, Breeder, Coaches & Trainers | California, Lincoln |
| Alyce Bittar | Breeder, Coaches & Trainers, Equestrian Club, Horse Show, Riding Lesson | California, Los Angeles |
| American Legend Mustang | Coaches & Trainers, Trail Rides, Horseback Riding, Boarding Stable, Breeder | California, Ojai |
| Annadale Equine Center | Boarding Stable, Breeder, Horseback Riding | California, Sanger |
| Arabian Horse Play | Boarding Stable, Breeder, Riding Lesson, Horseback Riding | California, Aromas |
| Arrowwood Quarter Horses | Boarding Stable, Breeder, Coaches & Trainers | California, Phelan |
| Artesian Valley Farm | Breeder, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding, Horse Leasing, Boarding Stable | California, San Diego |
| Aspen Grove Ranch | Boarding Stable, Breeder, Coaches & Trainers | California, Ojai |
| Aya Arabians | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, Twentynine Palms |
| Banos Ranch | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, Murrieta |
| Berg Performance Horses | Boarding Stable, Breeder, Coaches & Trainers | California, Temecula |
| BES Sporthorses | Breeder, Coaches & Trainers, Horseback Riding | California, Somis |
| Bestovall Arabians | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, San Bernardino |
| BG Thoroughbred Farm | Coaches & Trainers, Boarding Stable, Breeder | California, Hemet |
| Bittar Stables | Breeder, Boarding Stable, Coaches & Trainers | California, Los Angeles |
| Blue Moon Arabians | Breeder | California, Temecula |
| Bob North | Breeder | California, Ramona |
| Booth Ranches | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Sanger |
| Branscomb Farm | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding | California, Half Moon Bay |
| Branscomb Farms | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Half Moon Bay |
| Braymoore Stables | Boarding Stable, Breeder, Coaches & Trainers | California, Hesperia |
| Breezeway Farms | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | Temecula, California |
| Brendon Clark Performance Horsemanship | Riding Lesson, Horseback Riding, Boarding Stable, Breeder, Coaches & Trainers | California, Hollister |
| Brookhaven Farm | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding | Chico, California |
| Brooks Quarter Horse Ranch | Breeder, Coaches & Trainers, Riding Lesson, Boarding Stable | California, Jamestown |
| Burns Ranch | Boarding Stable, Breeder, Coaches & Trainers | Menifee, California |
| BV Arabians | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding | California, Sebastopol |
| Cashline Racing Stables, Inc. | Boarding Stable, Breeder, Coaches & Trainers | California, Arcadia |
| Cheyenne Arabians | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding, Horse Sales | Ramona, California |
| Christiane Noelting Dressage Center | Boarding Stable, Breeder, Coaches & Trainers, Horse Show, Riding Lesson, Horseback Riding, Horse Camps | California, Vacaville |
| Covell Ranch | Coaches & Trainers, Horse Show, Horseback Riding, Boarding Stable, Breeder | California, Cambria |
| Craig Sommers | Breeder, Coaches & Trainers | California, Upland |
| Creek Hill Farms | Horse Camps, Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Livermore |
| D Ranch Peruvian Horses | Riding Lesson, Horseback Riding, Boarding Stable, Breeder | Solvang, California |
| Dana De Frates | Boarding Stable, Breeder, Riding Lesson, Coaches & Trainers | California, Gilroy |
| Deer Creek Morgans, Inc. | Breeder, Coaches & Trainers, Boarding Stable | California, Upland |
| DG Bar Ranch | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Hanford |
| Diamond J Horses | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | Temecula, California |
| Dixie North | Breeder | California, Ramona |
| Dragonfire Farm | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Wilton |
| E A Ranch | Boarding Stable, Breeder, Coaches & Trainers | California, Ramona |
| EA Lusitanos | Coaches & Trainers, Horse Sales, Boarding Stable, Breeder | California, Norco |
| EG High Desert Farm | Boarding Stable, Breeder, Coaches & Trainers | California, Temecula |
| EliteEquines | Breeder, Coaches & Trainers, Boarding Stable | California, Huntington Beach |
| Elsinore Arabian Stud | Boarding Stable, Breeder, Coaches & Trainers | California, Wildomar |
| Equine Trading | Boarding Stable, Breeder, Coaches & Trainers | California, Tarzana |
| Esperanza Arabians | Horse Sales, Boarding Stable, Breeder, Coaches & Trainers | California, Riverside |
| Far View Farms Equestrian Center | Horseback Riding, Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson | San Marcos, California |
| Four Star Farm | Horse Camps, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Dixon |
| Fresh Start Sport Horses | Rescue Organization, Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding | California, Santa Clarita |
| Garrett Training Concepts | Breeder, Coaches & Trainers, Horse Show, Horseback Riding, Horse Sales, Boarding Stable | Temecula, California |
| Gold Creek Quarter Horses | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding, Riding Lesson | California, Perris |
| Gold Rush Farms | Boarding Stable, Breeder, Coaches & Trainers | California, Phelan |
| Graceland Equestrian Center | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Castro Valley |
| Hacienda Delgado | Boarding Stable, Breeder, Coaches & Trainers | California, Hesperia |
| Hacienda Llamas | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, Riverside |
| Hacienda Sosegado | Breeder, Coaches & Trainers, Horse Show, Horse Sales, Boarding Stable | California, Hemet |
| Harris Farms Horse Division | Breeder | California, Coalinga |
| Heart Bar Farms | Horse Sales, Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding, Riding Lesson | California, Valley Center |
| Heather Kelly Training | Boarding Stable, Breeder, Coaches & Trainers | Penryn, California |
| Hidden Springs Ranch | Horse Sales, Boarding Stable, Breeder, Coaches & Trainers, Rescue Organization | California, Hemet |
| Hillside Farms | Boarding Stable, Breeder, Coaches & Trainers | Sylmar, California |
| Hines Arabians | Breeder | California, Agoura Hills |
| Hurley Equestrian | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding | California, San Juan Capistrano |
| Invicta Farms | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, Hemet |
| JDT Sport Horse | Riding Lesson, Horseback Riding, Boarding Stable, Breeder | California, Galt |
| Jill and Murray Show Horses | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson | California, San Marcos |
| Jill Gomes Newcomb | Breeder, Coaches & Trainers | California, San Marcos |
| Kaliisto Arabians | Boarding Stable, Breeder, Coaches & Trainers | California, Plymouth |
| Karla Wacker | Breeder | California, Norco |
| Kay Needle | Breeder, Coaches & Trainers | Temecula, California |
| Kigers de los Californios | Coaches & Trainers, Riding Lesson, Horseback Riding, Boarding Stable, Breeder | California, Riverside |
| Kimberlee Farms | Boarding Stable, Breeder, Coaches & Trainers | California, Somis |
| Kings Corner Training Stables | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson | California, Moorpark |
| Kladruber Breeding Farm | Breeder | California, Redwood City |
| Kleary Field Irish Horses | Boarding Stable, Breeder | California, Sebastopol |
| Kleary Field, LLC | Breeder | California, Sebastopol |
| Kristi Berg | Breeder, Coaches & Trainers | California, Temecula |
| Kristy Wallenbrock | Breeder, Coaches & Trainers | Upland, California |
| Lakeview Quarter Horse Farm | Boarding Stable, Breeder, Coaches & Trainers | Hemet, California |
| Legacy Ranch | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson | California, Clements |
| Light Star Ranch | Breeder, Coaches & Trainers, Horse Transportation | California, Gilroy |
| Lisa J Martin | Breeder | California, Browns Valley |
| Lori Crow | Breeder, Coaches & Trainers | California, Templeton |
| Lori Crow Quarter Horses | Boarding Stable, Breeder, Coaches & Trainers | California, Templeton |
| Low Hound Ranch | Boarding Stable, Breeder, Coaches & Trainers | California, Aguanga |
| Madison House Farms | Boarding Stable, Breeder, Coaches & Trainers, Horse Show, Riding Lesson, Trail Rides, Horseback Riding, Carriage Rides, Horse-Drawn Carriage Tours | California, Perris |
| Mark Watring Stables | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding, Riding Lesson | California, Thousand Oaks |
| Mettrick Quarter Horses | Breeder, Boarding Stable, Coaches & Trainers, Horse Camps, Horseback Riding, Riding Lesson | California, Riverside |
| Moonbrook Farm | Boarding Stable, Breeder, Coaches & Trainers | California, Palmdale |
| Mt. Rush No More Ranch | Breeder, Coaches & Trainers, Guest Ranch, Horseback Riding | Georgetown, California |
| MWM Dressage Sales | Boarding Stable, Breeder, Coaches & Trainers | California, Moorpark |
| Nadine Tilley | Breeder | California, Thousand Oaks |
| North Arabians | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, Ramona |
| Oak Hill P.R.E. | Boarding Stable, Breeder, Coaches & Trainers | California, Agoura Hills |
| Ojai Valley Trail Riding Company | Horse Camps, Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Trail Rides, Horseback Riding | California, Ojai |
| On the Line Equestrian | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Ojai |
| Pacific Equestrian Center – Wilton, CA | Horseback Riding, Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson | California, Wilton |
| Papillon Stables | Breeder, Horseback Riding, Boarding Stable | California, Riverside |
| Paul Bonnello Cow Horses | Boarding Stable, Breeder, Coaches & Trainers | California, Santa Ynez |
| Pepper Creek Equine Center | Breeder, Coaches & Trainers, Horse Show, Horseback Riding, Horse Sales, Boarding Stable, Riding Lesson | California, Ramona |
| Pine Trails Ranch | Trail Rides, Horseback Riding, Horse Camps, Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson | California, Davis |
| Placeres del Oro Ranch | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding | California, Ontario |
| Pollyrich Farms | Horseback Riding, Boarding Stable, Breeder, Coaches & Trainers | California, Solvang |
| Pomponio Ranch | Coaches & Trainers, Breeder | California, San Gregorio |
| Priceless Arabians | Boarding Stable, Breeder, Coaches & Trainers | Alta Loma, California |
| Prime Equines | Boarding Stable, Breeder, Coaches & Trainers | California, San Juan Capistrano |
| Rancho Agradecido | Boarding Stable, Breeder, Coaches & Trainers | California, Escondido |
| Rancho Armendariz | Boarding Stable, Coaches & Trainers, Breeder | California, Hemet |
| Rancho CC | Boarding Stable, Breeder, Coaches & Trainers | California, Perris |
| Rancho Cucamonga Arabians | Boarding Stable, Breeder, Coaches & Trainers | California, Rancho Cucamonga |
| Rancho de la Florecita | Breeder, Horseback Riding | California, Santa Ynez |
| Rancho de Ramírez | Breeder, Coaches & Trainers, Boarding Stable | California, Hesperia |
| Rancho De Sueños Equine | Boarding Stable, Breeder | California, Ione |
| Rancho El Marengo | Boarding Stable, Breeder, Coaches & Trainers | California, Murrieta |
| Rancho Pacifica Equestrian Center | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson | California, Temecula |
| Rancho Remuda | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horse Sales | California, Indio |
| Rancho San Miguel | Breeder | California, San Miguel |
| Rancho Toledano Paso Fino Farm | Boarding Stable, Breeder, Coaches & Trainers, Guest Ranch, Horseback Riding, Riding Lesson | California, Penn Valley |
| RC Quarter Horses | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, Jurupa Valley |
| Richill Morgan Horse Farm | Breeder | California, Phelan |
| Ridgeley Farm | Breeder | California, Hemet |
| Rocksanne Pieters | Breeder | California, Ramona |
| Roebuck Ranch | Coaches & Trainers, Horse Sales, Boarding Stable, Breeder | California, Menifee |
| Rosenthal Ranch | Breeder | California, Homeland |
| Rosewood Arabians | Breeder, Coaches & Trainers, Horse Sales, Boarding Stable | California, Norco |
| Royal Vista Farm LLC | Horse Sales, Boarding Stable, Breeder, Coaches & Trainers | California, Vista |
| RP Arabians | Breeder, Coaches & Trainers, Horse Sales, Boarding Stable | California, Ramona |
| Ryan Pedigo Farms | Horseback Riding, Boarding Stable, Breeder, Coaches & Trainers | California, Riverside |
| Ryan Pedigo Sport Horses | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, Riverside |
| Sandstone Horse Sales | Breeder, Coaches & Trainers, Boarding Stable | California, Thousand Oaks |
| Santiago Equestrian Center | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding, Riding Lesson | California, Irvine |
| SAR Ranch | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Hollister |
| Schneider Training | Boarding Stable, Coaches & Trainers, Breeder, Horse Sales | California, Ramona |
| Schroeder Farms | Breeder, Coaches & Trainers | California, Pasadena |
| Schvaneveldt Quarterhorse Ranch | Boarding Stable, Breeder, Coaches & Trainers | California, Riverside |
| Secret Hills Ranch | Horse Sales, Horse Leasing, Boarding Stable, Coaches & Trainers, Breeder, Horseback Riding, Riding Lesson, Trail Rides | Alpine, California |
| Shakespeare Farm | Boarding Stable, Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding | California, Santa Cruz |
| Shenandoah Ranch | Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding, Boarding Stable | California, Plymouth |
| SK Racing Stable | Breeder, Coaches & Trainers, Horse Sales, Boarding Stable | California, Valley Center |
| Sky Murphy Coaching | Boarding Stable, Breeder, Coaches & Trainers | California, San Luis Obispo |
| Sommer Ranch Andalusians | Boarding Stable, Horse Sales, Breeder, Coaches & Trainers | California, Murrieta |
| Southern California Equestrian Center | Boarding Stable, Breeder, Coaches & Trainers | California, Somis |
| Special T Thoroughbreds, Inc. | Boarding Stable, Breeder, Coaches & Trainers | California, Temecula |
| Spring Valley Ranch | Boarding Stable, Breeder, Coaches & Trainers | California, Oroville |
| St Francis Friesians | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding | Granite Bay, California |
| Stellar Arabians | Breeder, Coaches & Trainers, Horse Sales, Boarding Stable | California, Fountain Valley |
| Steven Allen | Breeder, Coaches & Trainers | Lincoln, California |
| StoryTeller Farms | Breeder, Coaches & Trainers, Riding Lesson, Horseback Riding, Boarding Stable | California, Moorpark |
| Stroud Show Horses | Breeder | California, Sebastopol |
| Swede Equine | Boarding Stable, Breeder, Coaches & Trainers, Horseback Riding | California, San Marcos |
| Thoroughbred Corporation | Boarding Stable, Breeder, Coaches & Trainers | California, Arcadia |
| Three Wishes Farm | Boarding Stable, Breeder, Coaches & Trainers | California, Camarillo |
| Tilley Andalusians | Boarding Stable, Breeder, Coaches & Trainers | California, Thousand Oaks |
| Trilogy Farm – Santa Cruz, CA | Breeder, Coaches & Trainers | California, Santa Cruz |
| Tucalota Creek Ranch | Boarding Stable, Breeder, Coaches & Trainers, Guest Ranch, Horseback Riding, Riding Lesson | California, Temecula |
| Valley Horse Center | Equine Behaviourist, Equine Bodywork, Breeder, Boarding Stable, Coaches & Trainers, Horseback Riding, Riding Lesson, Trail Rides | California, Red Bluff |
| Valley Oak Arabians | Breeder | Brentwood, California |
| Varian Arabians | Breeder, Coaches & Trainers, Guest Ranch | California, Arroyo Grande |
| Ventura Farms | Boarding Stable, Breeder, Coaches & Trainers | California, Thousand Oaks |
| W.K. Kellogg Arabian Horse Center | Boarding Stable, Breeder, Coaches & Trainers, Horse Sales | California, Pomona |
| Warren’s Thoroughbreds LLC | Boarding Stable, Breeder, Coaches & Trainers | California, Hemet |
| Wild Rose Friesian Horses | Boarding Stable, Breeder | Fort Jones, California |
| Woodland Stallion Station | Boarding Stable, Breeder, Coaches & Trainers, Horse Show, Horseback Riding | California, Woodland |
