- Rancho San Miguel
- Rancho Texcelente Ixl
- Rancho Texcelente Ixl
- Rand Enterprises
- Raoul Temam
- Rawhide Quarter Horses
- Reata Cutting Horses LLC
- REC Management Inc
- Red Bank Farm
- Red Barn Farms
- Red Gate Ranch
- Red Hot Quarter Horses
- Red Roof Ranch
- Red Run
- Redemption Ranch
- Reflections A Miniature Horse
- Remolino Ranch
- Rhodes River Ranch
- Rick Leek Quarter Horse
- Ride'Em & Slide'Em Performance
- Ridgefield Painted Horse Ranch
- Rikli Ranch Foundation Quarter
- Riley Paint Horses
- Ring Bit
- Rising Star Ranch
- Rising Star Stables Inc
- Rising Sun Farm
- River Bend Standard Bred Inc
- River Bend Standard Bred Inc
- River Edge Farm
- River Oaks Ranch
- River Valley Performance Horse
- Riverland Farms
- RKF Thoroughbred
- RKF Thoroughbred
- Rkr Equine Venture
- RLH Thoroughbreds
- Robert A Cass
- Robert Haas Paint Horses
- Robert S Fox
- Robert Stout
- Robertson & Robertson Quarter
- Rocaille Arabians
- Rocaille Arabians
- Roche Farm
- Rock Ridge Quarter Horses
- Rock Row Farms
- Rock'n Colt Co
- Rock'n Colt Co
- Rock'n J Foxtrotters
- Rockhold Barn
- Rockin Ap Ranch
- Rockin Horse Farm Inc
- Rockin J Bar S Ranch
- Rockin W Livestock
- Rockin' Horse Farms
- Rockin' L Farms
- Rockin-N-Ranch
- Rocking Double J Ranch
- Rocking Horse Plantation
- Rocking J Bar Saddlebreds
- Rocky Mountain Quarter Horse
- Rocky Mountain Warm Bloods
- Rodeo Elegance
- Rodney Farms
- Roger Conklin Horse & Pony
- Rohara Arabians
- Rojo Arabians
- Rollin On Farms LLC
- Rollin' Meadow Horse Ranch
- Rolling M Farms Inc
- Rolling Oaks Farm
- Ronald Green Sale Prep Barn
- Ronald J Wickersham
- Roorda Ranch
- Rose Garland Plantation Inc
- Rose Hill Equine Ctr
- Rose Run Farm
- Rosegrove Farm
- Rosemont Farm
- Rosemont Farm
- Rosemont Farm
- Roseryn Farms
- Roseryn Farms
- Roth Arabian Breeding Ctr
- Round Mountain Horse Ranch
- Roundstone Farm LLC
- Rowland Farm
- Rowland Farm
- Rowland Farm
- Roy Browning Ranch
- Royal Alter Marchadores
- Royal Crest Horse Farm
- Royal Legend Arabian Horse Fms
- Royal Oak Farm
- Royal Starr Farms
- Royal Steed Arabians
- Royal Vista Equine Inc
- Royal Vista Southwest
- Royalty Farm
- RRR Farm
- Rumsey Equestrian Ctr
- Rushville Horse Sale Co
- Russell Springs Farm
- Rusty Rose Ranch
- Ryan Horse Farm
- Ryan Horse Farm
- Ryan Horse Farm
- Ryan Mike Blood Stock
- Ryan Mike Blood Stock
- Ryan Mike Blood Stock
- Ryan Ranch
- Ryemeadow Farm
- S & J Ranch LTD
- S & L Arabians
- S Bar S Ranch
- S Bar S Ranch
- Sa Bar J's Ranch
- Saddle Creek Ranch
- Saddle Mountain Ranch
- Saddlecrest Farms
- Sahbra Farms
- Saint Martin Mahoney & Assoc
- Salhany's Stables
- San Diego Sporthorses
- Sanborn Chase
- Sandi F Fullerton Farms
- Sandy Arledge Quarter Horses
- Sandy Knoll Horse Farm
- Sanfords' Horse Farm
- Sangre Azul Morgan Ranch
- Santer Arabians
- Santolina Farm Inc
- Sarival Farms
- Saturnia Stables
- Save Itt Salinas
- Saxony Farm
- Saxony Farm
- Saxony Farm
- Saxony Farm
- Scarlet Ribbon Farm
- Scenic View Farms
- Scenic View Ranch
- Schmidt Quarter Horses
- Schvaneveldt Quarterhorse Rnch
- Scotch Pine Arabians
- Scribble D Quarter Horses
- Scribble D Quarter Horses
- Sea Level Arabian Farms
- Sebastian Farms
- Sefa's Farm
- Sefa's Farm
- Sefa's Farm
- Select Breeders Southwest Inc
- Select Breeders Svc Inc
- Select Thoroughbreds
- Senisa Farm
- Sequel Bloodstock
- Serendipity Arabians
- Serendipity Farm
- Serenity Arabian Farms
- Serenity Creek Farm
- Serenity Equine
- Seven O Seven Ranch
- Seven O Seven Ranch
- Seyvilla Arabians
- Sez Who Thoroughbreds Annex
- Shadowlawn Farm
- Shadwell Farm Inc
- Shadwell Farm Inc
- Shadwell Farm Inc
- Shady Oak Ranch & Tack Shop
- Shaman Ridge Farms
- Shamrock Farms
- Sharf Arabians
- Shawn Flarida Reiners
- Sherbrook Egyptian Stud
- Sheriff Stock Farm
- Sherman Family Thoroughbred
- Sherman Oaks Arabians
- Sherwood Manor Farm
- Shilo Stables
- Shipyard Point Morgans Farm
- Shoal Creek Ranch-Saddlebreds
- Shopes Paint Horses
- Sierra Arabians
- Sierra Elite Quarter Horses
- Sierra Elite Quarter Horses
- Sierra Farm
- Sierra Farm
- Sierra Farm
- Signature Arabians LTD
- Signature Stallions
- Silver Hills Farms
- Silver Leaf Running Horse Farm
- Silver Maple Farms
- Silver Spur Arabians & Pinto
- Silver Tree Farm
- Silver Wood Farms
- Silvernails Farm LLC
- Silverwood Farm
- Simpson's Percherons
- Six M's Farms
- Six Sigma Ranch
- Skarsgard Quarter Horses
- Skies R Blue Stables
- Skipper Stables & Quarter Hrse
- Skogen's Arabians
- SKT Farms Inc
- Sky Ridge Morgans
- Sky View Farm
- Skyline Manor
- SLC Clark Enterprises
- Smart Little Lena Syndicate
- Smokes Dude Horses
- Smokey Valley Farm
- Snooks Saye Quarter Horses
- Snow's Morgan Breeding Farm
- Snowfire Nature Emporium
- Snowy Range Ranch
- Snowy River Horse Farm
- Snowydell Arabian Horse Ranch
- Sojourn
- Solar Meadows
- Solred Farms Inc
- Song Hill Thoroughbreds LLC
- Song Hill Thoroughbreds LLC
- Sorum Fjord Horse Farm
- Soucie Quarter Horses
- Soucie Quarter Horses
- South Wind's Arabians
- Southern Cross Farm
- Southern Gaits Paso Fino Farm
- Southland Farms
- Southridge Ranch
- Southwest Stallion Station
- Southwest Stallion Station
- Southwind Farm
- Spanish Oak Farms Inc
- Speeks Quarter Horses
- Spendthrift Farm
- Spendthrift Farm
- Spendthrift Farm
- Spirit Ridge Ranch
- Spirit Winds Arabians
- Spring Creek Farm
- Spring Creek Ranch
- Spring Haven Farm
- Spring Hill Farm
- Spring Hill Farm
- Spring Hill Quarter Horses
- Spring Hill Ranch
- Spring Station Farm
- Spring Valley Lake Equestrain
- Springwater Farms Arabians
- Spurrmont
- Spurrmont
- Spurrmont
- Squaw's Landing
- SRC Co Inc
- Staas's Painted World
- Stableizer
- Stables
- Stachowski Farm Inc
- Stallings Paint Horses
- Standardbred Breeders & Owners
- Standardbred Owners Assn Inc
- Stanley Petter Bloodstock
- Stanley Petter Bloodstock
- Stanley Petter Bloodstock
- Star Cross Stable Friesian
- Star Horse Ranch
- Star Horse Ranch
- Star Thoroughbreeds
- Starlex
- Starr Paint & Quarter Horses
- Starrcest Farms
- Stars & Bars Farm Inc
- Starwin Farm
- Statesman's Ridge
- Stauffer Quarter Horses
- Stehle Cattle Co
- Steiner Arabian Farms
- Stephens Thoroughbreds
- Steve Cardwell Quarter Horses
- Stewart Farm
- Stillmeadow Farms
- Stillmeadow Farms
- Stillmeadow Farms
- Stillpond Farm
- Stitching Horse
- Stockplace
- Stockplace
- Stockplace
- Stolen Hours Farm
- Stone Oak Farm
- Stonecliff Farm
- Stonegate Farms
- Stonegate Standardbred Farms
- Stonehall Farm
