- Casey Thoroughbred Farm
- Cashel Stud Inc
- Caslteton Farm
- Caster Bridge Farm
- Cattlelack Ranch 4000 Gallon
- Ceasars Creek Training & Brdng
- Cedar Creek Farm Equestrian
- Cedar Hill Farms
- Cedar Lane Farm
- Cedar Ridge Farm Egyptian
- Cedardell Arabian Horse Ranch
- Cedarfarm Percherons
- Cedarwood Arabian Farms Inc
- Celebrity Farms
- Celebrity Farms
- Celebrity Farms
- Centaur Hot Walkers
- Centerpoint Insemination Sta
- Central Ohio Riding Club
- Cenzio Partnership
- Chanteclair Farm Inc
- Chapel Farms Arabians
- Char-Lou Arabians
- Charlie Creek Cattle
- Chatsberry Farm
- Check Six Ranch Bar D Horses
- Chetola Farms
- Cheval International
- Christiana Saddlebreds
- Christiana Saddlebreds
- Chrome Acres
- Cicone Ranch
- Cimarron Arabians
- Cinnabar Ranch
- Circle G Miniature Horses
- Circle M Farms
- Circle M Stables
- Circle P Paint & Quarter Horse
- Circle P Paint & Quarter Horse
- Circle S Horse Camp
- Circle T Farms
- Circle T Farms
- Circle Y Quarter Horse
- Cisna Stables
- City Slickers Qrtr Horse Ranch
- City Slickers Qrtr Horse Ranch
- City Slickers Qrtr Horse Ranch
- Clarke Family Welsh Pony Farm
- Clarks Crossing Farm
- Class Racing Stable
- Class Racing Stable
- Classic Farms
- Classic Oaks Farm Office
- Classic Quarter Horses
- Classic Star
- Clear Creek Ranch
- Clear Creek Stud LLC
- Clearwater Ranch Inc
- Clearwater Ranch Inc
- Cleve Wells Quarter Horses
- Clover Hill Farm
- Clover Ridge Farm Quarter Hrss
- Cloverdale Stables
- Cloverfield Farm Brdg Stables
- Coastal Equine
- Coats High Ridge Farm
- Coblentz Collar Shop
- Cochran Quarter Horses
- Coeur Du Cheval Arabians LLC
- Coeur Du Cheval Arabians LLC
- Coffey's Arabians
- Cold Mountain Esquerian Farm
- Cold Spring Farm
- Cole Ranch
- Color Me Smart
- Color Me Smart
- Colors Of The Wind Arabians
- Colthill Crescent Arabians
- Colts Neck Stables LLC
- Commercial Stud
- Computer Horse Breeders
- Concord Stud Farm
- Contemporary Thoroughbred
- Contemporary Thoroughbred
- Conway Arabians Inc
- Copper Coin Farms
- Cordova Paints
- Cornerstone Arabians
- Cotton Scheer & Assoc
- Cottonwood Stud Farm
- Courthouse Farm
- Coushatta Tribe Ranch
- Cow Horse Supply
- Coyote Creek Ranch
- Coyote Creek Ranch
- Crane Creek Ranch
- Craven Acres
- Creekside Farms
- Creekview Riding Ctr
- Creel Quarter Horses
- Crescent Hill Farm
- Creston Farm
- Crispin Farm
- Crockett Training Ctr
- Cross N Quarter Horses
- Crossen Arabians LLC
- Crow Haven Arabians
- Crown Center Farms Inc
- Crown Jewel Arabians
- Crull Paint Horses
- Crystal Image Farms
- Crystal Moon Arabians
- Crystal Springs Farm
- Curragh Stock Farm
- D & J's Carousel Minature
- D B Appaloosas
- D I Farm
- D M Inc
- D'Arcangel Ranch
- Dakota Ridge Arabians
- Damara Farms
- Dan Brent Quarter Horses
- Dan Brent Quarter Horses
- Dan Quarter Horses
- Dan Quarter Horses
- Dan Rhi Arabians
- Dana Arabians
- Dancing Horse Farms Dressage
- Dane Ranch-Tennessee Walkers
- Dankae Arabians
- Danny Salsman Quarter Horses
- Danny Velasquez Racing Stables
- Danny Velasquez Racing Stables
- Danny Velasquez Racing Stables
- Danville Morgan Horse Farm
- Dark Wind Miniature Horse
- Dark Wind Miniature Horse
- Dasara Farms
- Dausman's County Line Horse
- Dave Coffee Quarter Horses
- Dave Hermanson
- Davenport Inc
- David Clyde Ouarter Horses
- David Fowler Custom Tack Trnks
- David James Blood Stock LTD
- David Spicer Racing & Breeding
- Davidson's Tracks-N-Time
- Day Dream Arabian Horses
- Day Dream Arabians
- Daylight Ranch
- DBM Co
- De Mink Enterprises
- Deborah G LTD
- Decker Quarter Horses & Barns
- Deep Ford Stables
- Dejon Arabians
- Del Cielo Arabians
- Del-Rob Farm
- Del-Rob Farm
- Delgado Prized Arabians
- Delta S Farms
- Demarlie Quarterhorses & Paint
- Demitasse Stable Miniature
- Denim & Diamond Rings
- Denny Ekins Racing Stable
- Denny Ekins Racing Stable
- Dent Miniature Horse Ranch
- Denton Farm Cutting Horses
- Desert Gypsy Farms
- Deshazer Arabians
- Desiderata Morgans
- Desiderio Limited
- Designer Genes
- Designer Genes
- Devine Morgans
- Diamond 2B Show Horses
- Diamond A Farm
- Diamond Five Stables
- Diamond Horseshoe Miniatures
- Diamond Legends Farm
- Diamond M Ranch Inc
- Diamond RB Ranch
- Diamond RB Ranch
- Diamond RB Ranch
- Diamond S Ranch
- Diamond Stalls
- Diane Hamp Realty
- Dinwiddie Farm
- Divall Arabians
- Dixieland Horse Farm
- Do It Farm
- Doc's Farms
- Dominic Galluscio Stable
- Domino Stables
- Double 8 Ranch
- Double C Acres
- Double C Ranch
- Double D Ranch
- Double Eagle Performance Horse
- Double G Appaloosa Ranch
- Double J Ranch
- Double L Farms
- Double Run Farm
- Doubletree Quarter Horses
- Dougherty Arabians
- Down The Rail Prfrmnc Prospect
- Dragon's Walk Friesians
- Dragonfire Farm
- Dragonsmeade Farm
- Dream Catcher Arabians
- Dremkumtru Acres
- Dressage Horizons
- Ds9 Inc
- Dudley Arabians
- Dunromin' Arabians
- Dwight Glossip
- E A Ranch
- E G High Desert Farms
- Eagle Associates
- Eagle Branch Quarter Horses
- Early Dawn Ranch
- Eason Paint Horses
- East Texas Horse Ctr
- Eastern Shore Ponies & Jack
- Eastwind Farm
- Ebony Bey Arabians
- Echo Valley Horse Farm
- Edgewood Lanning
- Edition Farm
- El Dorado Farms
- El Dorado Farms
- El Dowd Rodo Arabians
- El Juncal LTD
- El Moro Egyptian Arabians
- El Rancho Ruidoso Horse Sales
- Eldorado Farms
- Elephant Butte Ranch
- Elk Manor Farm
- Ellis Supreme Arabians-Stables
- Ellis W Bryant Inc
- Elmer Neuman
- Elsinore Arabian Stud
- Ely Ranch
- EMBE Acres
- Emerald Hills Farm
- Emerald Winds Gypsy Horses
- Empire Stud LLC
- Enchanted Acres
- Enchanted Farm
- Enchantment Arabians
- End Of The Trail Paint Horses
- Enzor Quarterhorses
- Epona Arabians
- Equest Farms
- Equestrian Center At Horse Crk
- Equi-Sands Training Ctr
- Equigene Corp
- Equine Breeders Supply
- Equine Breeders Supply
- Equine Equity
- Equine Mobile Breeding Inc
- Equine Racing Systems Inc
- Equine Racing Systems Inc
- Equine Reproduction Concepts
- Equine Reproductive Unit
- Equine Trust Foundation
- Equine Trust Foundation
- Equinox Cycles
- Equisold
- Equitor Farm
- Equus Farm
- Erber's Morgans
- Ernie Shook
- Erwin T Boulding Ent LTD
- Escalade Stable
- Escape Farm
- Esperanza Arabians
- Esperanza De Oro
- Estancia El Corcel
- Etriangle Quarter Horses
- Eugenio Colombo Agency
- European Equestrian Supply
- Evening Star Horses
- Evening Star Sporthorses
- Evening Star Sporthorses
- Executive Farms Inc
- Executive Standardbred
- Fable Fun Arabians
- Fair Chance Farm Inc
- Fair Winds Farm
- Fairchild Arabians
- Fairhaven Farm
- Fairhaven Farm
- Fairhaven Farm
- Fairlea Ranch
- Fallbrook Farm
- Fallen Pine Ranch Miniature
- Falling Star Ranch
- Fantasy Farms
- Fantasy Paso Fino
