Drill teams, originally called carousels, originated as far back as the 1800's in Vienna, performing the classical equitation of Dressage to classical music for royalty. So popular did this equestrian sport become that the most famous of riding schools, the Spanish Riding School of Vienna showcasing the Royal Lipizzaner Stallions, still performs classical dressage drills to modern audiences. Other famous drill teams include the Royal Canadian Mounted Police, Shriner Mounted Troops, The Texas Ladies Aside, and the US Army Cavalry. Many local mounted Polic patrol units and state and local civilian drill teams and 4-H mounted clubs perform this exciting equestrian sport to a wide range of audiences at shows, exhibits, and events, as well as individual competition, throughout the United States. The movements today still mimic the classical steps of pas-de-deux dressage with an equestrian team that can range from 6 to 8 horses and rider, up to 20 or more.

A youth oriented riding club that promotes education of the horse and pony based upon the English riding disciplines of dressage and jumping. Levels D to A are attained by systematic training and testing in flatwork and over fences, plus practical knowledge in horse-keeping.

Associations or clubs are formed by groups of people with similar interests - the purpose is usually to promote the interest or activity and to provide resources and opportunities for those who share the interest. Associations and clubs are usually run on a not-for-profit basis with income being re-invested in the Association or club.