Cubel Ranch
- Home of Sulphur Springs mustang grullo stallion, Sulphur Prince. Includes breed history and standard, Sulphur Horse Registry, DNA marker article, herd profiles, photos, and stud services. Located in Huntington, Utah.
- http://www.cubelranch.com

Free Spirit Spanish Mustangs
- Breeders of rare, registered Spanish Mustangs in Woodinville, Wisconsin.
- http://freespiritspanishmustangs.com/

Kiger Mustang Ranch - KMR Companies
- Horse Trailers and Mustang horses for sale. Breeder of beautiful Kiger Mustangs. Located in Bend, Oregon.
- http://kigermr.bendnet.com/

Vaquero Gold
- Stands grullo stallion at stud. Includes sales list, photos, and profiles of horses. Offers information on the sulpher project. Located in Sunland, California.
- http://www.vaquerogold.com/

Mud Ranch Kigers
- Stands dun stallion at stud. Includes sales list, photos, and profiles of horses. Contains breed history and standard. Located in Lewiston, California.
- http://www.mudranchkigers.com

Arrow Rock Spanish Mustangs
- Standing dun paintaloosa stallion at stud. Includes sales list, photos, and profiles of horses. Located in Hominy, Oklahoma.
- http://www.arrowrockspanishmustangs.com/

Sulphur Horse Ranch
- Standing grullo and dun stallions at stud. Includes sales list, photos, and profiles of horses. Contains history and breed description. Located in Taylorsville, North Carolina, United States.
- http://www.sulphurhorseranch.com/

Vineyard Equus Kigers
- Standing gray and grulla stallions at stud. Includes sales list, photos, and profiles of horses. Offers web site design service. Located in Eagle Point, Oregon, United States.
- http://www.vineyardequus.com/

Ironhorse Ranch
- Standing bay overo stallion at stud. Includes sales list, photos, and profiles of horses. Contains instructions for constructing a rope halter. Offers training services, boarding, and bed and breakfast. Located in Forest, Virginia, United States.
- http://www.mustangs4keeps.com/

Carnahan Ranch
- Standing dun stallion at stud. Includes sales list, photos, and profiles of horses. Contains history and breed standard. Offers longhorn cattle, angus cattle, and longhorn art for sale. Located in Fort Laramie, Wyoming, United States.
- http://www.carnahanranch.com

Karma Farms Mustangs
- Standing grullo, dun, champagne overo, and blue corn appaloosa stallions at stud. Includes sales list, photos, and profiles of horses. Located in Marshal, Texas.
- http://www.karmafarms.com/

Circle S Kigers
- Standing dun stallion at stud. Includes sales list, photos, and profiles of horses. Located in Cave Junction, Oregon, United States.
- http://www.circlesranchandoutfitters.com

Double L Kigers
- Standing dun and grulla stallions at stud. Includes sales list, photos, and profiles of horses. Located in White City, Oregon.
- http://www.doublelkigerranch.com

Willow Breeze Ranch
- Standing dun and grullo stallions at stud. Includes sales list, photos, and profiles of horses. Located in Hollister, California, United States.
- http://www.willowbreezekigers.com

Minnesota Kiger Mustangs
- Standing dun stallion at stud. Includes sales list, photos, and profiles of horses. Contains history and characteristics of the breed. Located in Bemidji, Minnesota, United States.
- http://www.minnesota-kiger-mustangs.com/

Kings Kiger Mustangs
- Standing dun stallion at stud. Includes sales list, photos, and profiles of horses. Located in Salem, Oregon
- http://kingskiger.ultimatehorsesite.com

Dunsmoke Spanish Mustangs
- Includes sales list, photos, and profiles of horses. Contains articles on selection of a carriage horse and history of the breed. Located in Pringle, South Dakota.
- http://www.dunsmoke.com

Sacred Ground Spanish Mustangs
- Standing grullo stallion at stud. Includes sales list, photos, and profiles of horses. Contains history of the breed. Offers Beagle puppies, candles, and bath/body products for sale. Located in La Vernia, Texas.
- http://www.sacredgroundspanishmustangs.com

Hilltop Farm of Oregon
- Includes sales list, photos, and profiles of horses. Contains history of the Kiger Mustang and an article on training a wild mare. Offers art for sale. Located in Malin, Oregon, United States.
- http://hilltopfarm-oregon.com

JD Acres
- Breeding Kiger and Spanish type dun Mustangs for conformation, dispositions and color. Stock profiles, photographs, and foal news. Sandpoint, Idaho.
- http://www.idahokigers.com/

Clay Bank Ranch
- Raising Kiger Mustang horses. services, breed history, pictures of stallions and mares, and plus sales. Wayne, Oklahoma.
- http://www.wilnet1.com/~okiekigers/

Double D-Bar Kigers
- Breeders of Kiger Mustangs since 1989. Standing stallions, Kiger Dundee, and Kiger Sundance. Accepting all breed mares. Yearly foal sales. Winlock, Washington.
- http://home.earthlink.net/~kigermustangs/

Canyon Creek Kigers
- Breeders of Kiger Mustangs offering horses for sale and the tale of the origin of the breed. Located in Woodinville, Washington, USA.
- http://canyoncreekkigers.com/

El Rancho Wakan
- Dedicated to perpetuating the Spanish Barb Horse. Located in Greenville, Texas.
- http://myweb.ecomplanet.com/bell4744/

Wild Side Ranch Spanish Mustangs
- Breeding Spanish Mustangs preserving the rare Spanish look. Offering stud service, stock for sale. Site also includes history of the breed, pictures, and links. Located in eastern Washington State.
- http://www.wildsideranch.com

Springwater Station
- Breeding and training facility for Kiger Mustangs. History of the Mustang, stallion and broodmare listing, stock for sale, on-line contact form. Located in Estacada, Oregon.
- http://www.springwaterstation.com/

High Desert Kigers
- Kiger Mustangs for sale and stallions at stud.
- http://www.highdesertkigers.com/

Rockin' Bar H Nokota Horses
- Preservation breeders and trainers of this rare Mustang breed. Includes breed history, stallions at stud and stock for sale. Arlington, Washington
- http://www.rockinbarh.com