The following organizations provide training and certification for horseback riding programs. Contact information and course titles are provided for your convenience. If you have a question about an organization that is not on the list, please contact the standards department at the ACA.  Certification as well as documented experience and training gained through entities not listed below may also meet some of the requirements for the horseback riding supervisor (PD.14/ST.10).

AAHS - American Association for Horsemanship Safety
Drawer 39
Fentress, TX 78622
512-488-2220
Fax- 512-488-2319
Web Site: www.horsemanshipsafety.com
E-mail: mail@horsemanshipsafety.com 
Certified Riding Instructor

American Riding Instructors Association (ARIA)
P.O. Box 366
Alton, NH 03809
Phone: 603-605-5275
Email: aria@riding-instructor.com 
Web site: www.riding-instructor.com
Nationally Recognized Certification

BHS - British Horse Society
Stoneleigh Deer Park Kenilworth
Warwickshire CV8 2XZ England
011-44-1926-707700
Fax: 011-44-1926-707800
Web site: www.bhs.org.uk

CHA - Certified Horsemanship Association
1795 Alysheba Way Ste 7102
Lexington, KY 40509
859-259-3399
fax 859-255-0726
E-mail: office@CHAinstructors.com
Web site: www.CHA.horse
"Level 1" or higher instructor certification

DRA – Dude Ranch Association 
1122 12th Street
Cody, Wyoming 82414
Contact: Colleen Hudson
307-586-2776
E-mail: colleen@duderanch.org
Web: www.duderanch.org

Equestrian Management Workshops
4751 Sand Lake Road
Florence, WI 54121
906-221-5711
E-mail: eqmw@yahoo.com
Web: www.eqmw.com

HSA - Horsemanship Safety Association, Inc.
120 Ohio Avenue
Madison, WI 53704
800-798-8106

Meredith Manor Int'l Equestrian Centre
Rt. 1 Box E
Waverly, WV 26184
800-679-2603
Web site: www.meredithmanor.com
Instructor certification on 3 levels.

PATH International  Professional Association of Therapeutic Horsemanship International
P.O. Box 33150
Denver, CO 80233
800-369-RIDE or 303-452-1212
Fax: 303-252-4610
Web site: www.narha.org
"Registered," "Advanced," or "Master Instructor"

USDF - United States Dressage Federation
P.O. Box 6669
Lincoln, NE 68506-0669
402-434-8550
Fax: 402-434-8570
E-mail: usdressage@navix.net
Web site: www.usdf.org

USPC - United States Pony Club
4041 Iron Works Parkway
Lexington, KY 40511
859-254-7669
Fax: 859-233-4652
Web site: www.ponyclub.org
Doesn't specifically certify instructors. However, ACA accepts a 'H-A' level pony clubber.