Hebes Royal Horses
- Home of full-blooded stallion Diamonte Real HRH. Includes stallion profiles and progeny for sale. Located in Myrtle Point, Oregon.
- http://www.hebesroyalhorses.com/

Trapalanda Equestrian Centre
- Stands chestnut and gray stallions at stud. Includes sales list, photos, and profiles of horses. Offers training, lessons, leasing, and boarding. Located in Peterborough, Ontario, Canada.
- http://www.trapalandaaztecas.com/

Raindance Aztecas
- Breeder of Aztecas and Foundation Quarter Horses. An extensive web site, providing breed information and photo galleries. McCleary, Washington.
- http://www.reachone.com/raindance/

Dream Aztecas
- Norfolk, England breeder offering photos and a sales list.
- http://users.fwi.co.uk/ronniemb

The American Azteca Horse International Association
- An organization providing registration, promotion, education and advertising of American Azteca horses.
- http://americanazteca.com

Aztecana
- Breeders and trainers of Azteca horses. Located in Paris, Ontario, Canada.
- http://www3.sympatico.ca/azcc/Aztecana.html

Azteca Horse Registry of America, Inc.
- North American Registry for Azteca and Andalusian horses.
- http://www.azteca-horse.com/