Clinton Anderson Downunder Horsemanship http://www.downunderhorsemanship.com/

Tom Dorrance http://www.tomdorrance.com/

Ray Hunt Master of Communication http://www.rayhunt.com/

John Lyons Online Education, "America's Best Trusted Horseman" http://www.johnlyons.com/

Parelli Natural Horsemanship http://www.parelli.com

Dennis Reis, Reis Ranch Universal Horsemanship http://www.reisranch.com/

Mark Russell Classical Horse Training http://www.markrusselltraining.com/aboutmarkrussell.html