- Cerin Racing Stables
- Cevalo Riding Academy
- Chalk Hill Ranch
- Chamberlin Equestrian Ctr
- Chanslor Stables
- Chaparral Ranch
- Chaparral Stables
- Charles Wyche
- Charter Oak Farms
- Chatfield Stables
- Chelsea Farms Of Colorado
- Cherokee Arabians
- Cherokee Rose Stables
- Chestnut Ridge Farm
- Chevalle Ranch
- Cheyenne Stables
- Chilsolm Acres Arena Inc
- China Rapids Sport Horses
- Chocolate Horse Farm
- Chuck Murphy Racing Stables
- Cicolor Inc
- Cielo Terra Ranch
- Cinder Farms
- Circle Bar B Stables
- Circle G Stables Inc
- Circle K Horse Rentals
- Circle K Horse Rentals
- Circle K Riding Stables
- Circle K Riding Stables
- Circle K Riding Stables
- Circle K Riding Stables
- Circle N Stables & Saddle Shop
- Circle S Ranch
- Circle Seven Stables
- Clancy Lane Equestrian Ctr
- Clark Stables
- Classical European Equestrian
- Clay's Stables
- Claycamp Boarding Stables
- Clear Creek Equestrian Ctr
- Clearview Farm
- Clement & Clement
- Clews Horse Ranch
- Cliffrose Ranch
- Cloverleaf Stables
- Club
- Clyde Pack Outfitters
- Clyde Pack Outfitters
- Clyde Pack Outfitters
- Clyde Pack Outfitters
- Coal Creek Stables
- Coal Creek Stables
- Coast Road Stables
- Cochise Horseshoeing
- Cockriel Boarding Stables
- Collier Carriage
- Colorado Carriage Co
- Colorado Equine
- Colorado Therapeutic Riding
- Colromora Ranch
- Colromora Ranch
- Columbian Stock Farms
- Columbine Equestrian Ctr
- Copper Creek Equestrian Ranch
- Copper Creek Equestrian Ranch
- Copper Mountain Stables
- Copperwood Training Stables
- Cornerstone Equestrian Ctr
- Cornerstone Equestrian Ctr
- Cornerstone Limited
- Cornerstone Limited
- Cornerstone Ranch
- Corral 35 Equestrian Park
- Corral 35 Equestrian Park
- Cottonwood Creek Equestrian
- Cottonwood Farm
- Cottonwood Riding Club
- Cottonwood Stable
- Country Cottage Barn
- Country Hearts Ranch Boarding
- Country Livery
- Country Roads Ranch
- Country Trails & Riding School
- Coventry Farms
- Coventry Farms
- Covered Bridge Equestrian
- Cowley Heidi Stables
- Cowpoke Corner Corral
- Coyote Hills Ranch Inc
- Coyote Ridge Ranch
- Coyote Ridge Stable
- Creek Hollow Ranch Inc
- Creekside Equestrian Ctr
- Creekside H-J Riding School
- Creekside Ranch
- Creekside Ranch
- Crestfield Farms
- Crickerbrook Farm
- Cripple Creek Horse Co
- CRK Training Stable
- Crooked Willow Farms
- Crossroads Farm
- Crystal Falls Assn
- Crystalwood Stables
- CTETA
- Cutter Creek Ranch-Pony
- Cuttin Clover Quarterhorses
- Cuttin Clover Quarterhorses
- Cypress Ridge Ranch
- Cypress View Stables
- Cypress West Farm
- D & F Pack Station
- D & S Alaska Trail Rides Inc
- D & S Alaska Trail Rides Inc
- D & S Alaska Trail Rides Inc
- D J's Stables
- D W Lukas Racing Stables
- D W Lukas Racing Stables
- D W Lukas Racing Stables
- D'Ambrosio Brothers Investment
- Dale Creek Equestrian Village
- Dale Creek Equestrian Village
- Daniels Horse Ctr
- David Columbo
- David Hofmanf
- Davis Carriage Co
- Davis Stables
- Daybreak Stables
- De Vito Equestrian Ctr
- De WITT Stables
- Dean Frey Racing Stables
- Dean Frey Racing Stables
- Dean Pederson Racing Stables
- Deer Valley Ranch
- Del Mar Horse Park
- Del Mar Mesa Ranch
- Del's Triangle 3 Ranch
- Delmarvahorse Stables
- Dena Reed's Performance Horses
- Denali Saddle Safaris
- Dennis Eddie Stable
- Denville-Kanani Farm
- Desert Palms Equestrian Ctr
- Development Services
- Diamond Arrow Farm
- Diamond B Stables
- Diamond Bar Arena
- Diamond D Stables
- Diamond Hills
- Diamond Hitch Stables
- Diamond K Bar Ranch
- Diamond Mountain Stables
- Diamond Sky Ranch Inc
- Diamond Spur Training Ctr
- Diamond Tr Riding Stables Inc
- Diamond Valley Equestrian Ctr
- Diamond W Ranch
- Dickson Ranch
- Dinner Bell Ranch & Resort
- Discovery Farm
- Distant Dreams Ranch
- Domino Barn
- Don-E-Brook Farms
- Donette Wyatt D' Alonzo Wstrn
- Donnie Warren Racing Stable
- Doon Grade Ranch
- Doran Show Stables
- Dorthy Long Equestrian Park
- Double A Farm
- Double Aught
- Double B Stables
- Double Bar M Ranch
- Double D Boarding Stables
- Double D's Horseshoeing
- Double D's Horseshoeing
- Double E Stables
- Double F Horseshoeing
- Double J Farm
- Double M Horse Boarding
- Double S Oaks Ranch
- Double Six Stables
- Double Spur Ranch
- Double T Enterprises
- Double T Stables
- Double T Training
- Double Tree Ranch
- Double W Training Ctr
- Doubletake Equestrians
- Doubletree Horse Farms
- Dreamweaver Stables
- Driftwood Boarding & Training
- Duncan Performance Horses
- Dynamite Dressage
- E J's Equestrian Ctr
- E Z Stepper & Horseshoes
- Eagle Mountain Boarding Stable
- Eagle Ridge Stables
- Eagles Nest Ranch
- East Prospect Lane Stables
- East Slope Farms-Rockies Inc
- Eaton Dam Stables
- Eclipse Farms
- Ed Moger Racing Stable
- Ed Murphy Cutting Horses
- Eddy Ranch Boarding Stable
- Edward R Last
- El Caminito Ranch
- El Conquistador Stables
- El Dorado Hills Equestrian
- El Rancho Dos Rios LLC
- El Rodeo Stables
- El Rodeo Stables
- El Toro Equestrian Ctr
- El Toro Equestrian Ctr
- Elite Foundation Farm
- Elite Petite Equines
- Elk Ridge Trail Rides
- Elk Ridge Trail Rides
- Elkhorn Equestrian Ctr
- Elkhorn Spring Arena & Stables
- Ellis Horseshoeing
- Elvenstar
- Ember Ridge Equestrian Ctr
- Emery Farms
- EMK Boarding & Training Ctr
- Enchanted Equestrines
- End Of Hunt Farms
- Enterprise Farms Riding School
- Epona Farms
- EQ-Wine Acres
- Equ-Ation Equine Therapy
- Equestrian Center Intl
- Equestrian Centers Intl Inc
- Equine Connection
- Equine Expeditions
- Equine Resource Guide
- Equine Unlimited
- Equistential Healing
- Equus West Sport Horses
- Eskay Creek Farm
- Esler Arabians
- ETF Racing Partners
- Evening Shade Ranch
- Everything Equestrian
- EWC & Assoc
- F M Stables
- F-Bar-J Ranch
- Fair Valley Ranch-Boarding
- Fairbanks Valley Farms
- Fairview Farms
- Fairweather Equestrian Ctr
- Fairwind Farm
- Falls Creek Farm Inc
- Fandango Ranch
- Fann-M Ranch
- Far West Farms
- Faubus Horse Farm-Fallbrook
- Fausto's Straw
- Feather Mountain Stables
- Felder Road Farms
- Ferguson Farms
- Ferro's Blue Mesa Ranch Resort
- FHK Enterprises & Design
- Fieldstone Farm
- Fiesta Of The Spanish Horse
- Figure-Eight Ranch
- Filmore Equestrian Ctr
- Firehorse Tack & Arena
- Fisher Ranch
- Five Brooks Ranch
- Five Oak Farms
- Five Star Equine
- Five Star Farms
- Fleetwoody Stables
- Flintwood Farm
- Florence Dahlke
- Flying C Icelandic Horse Ranch
- Flying Cloud Farm-Barn
- Flying G Ranch
- Flying K Ranch
- Flying R Ranch
- Flying W Ranch
- Folsom Lake Equestrian Ctr LLC
- Foothill Equestrian Ctr
- Foothills Stables
- Forest Hill Farm
- Forest View Guest Home
- Forget Me Not Farm
- Forrest Creek Stables
- Fort Collins Equestrian Ctr
- Fort Dicks Stable
- Fort Dicks Stable
- Fort Mc Dowell Adventures
- Fortroyal Stables
- Fortroyal Stables
- Fountain Valley Stables
- Four Aces Ranch
- Four Winds Farm
- Fox Briar Farms
- Fox Creek Farms
