- Bad Dog Theatre Company - Provides workshops and training in the Toronto, Canada area. Online schedule and workshop FAQ.
- bang - Hollywood improv performance space and teaching facility.
- Comedy Dojo - Los Angeles based Chris Barnes teaches various forms such as games, scenes, and long form.
- ComedySportz Theatre - Offers a 4 level adult workshop series culminating in audtions for the live performance troupe.
- Ed Reggi - Offers Spolin Theatre Games primarily in Missouri to children, adults, and special seniors only classes.
- Hal Peller - Teaching teens, actors, non-actors, and corporate since 1981 in New York City.
- Heroes School of Improv - Austin, Texas affiliate of Theatresports teaching classes at all levels.
- Improvisation for the Spirit Workshop - A workshop for anyone seeking to nourish their creativity through comedy improv games, theatre, yoga and fun.
- Keith Johnstone - Courses taught by the Calgary, Alberta based founder of Theatresports, Micetro Impro, Gorilla Theatre, and The Life Game.
- Learn Improv - Offers descriptions, instructions and tips on games and exercises, as well as information for putting on a show.
- Loose Moose Theatre Company - Two week intensive workshop bringing together improvisers from around the globe.
- National Comedy Theatre Los Angeles - Professional, amateur, high school, and teen training. Offers online schedule and registration.
- National Comedy Theatre San Jose - Offers workshops for adults, children, and teens in the heart of Silicon Valley. Online schedules and registration.
- QT! Improv - New York City drop-in workshops taught by John Swist.
- Spolin Center - Seattle, Washington based workshops from one of the mothers of improv comedy.
- StageCoach Improv - Customizes high-energy, humorous, interactive workshops and programs in the USA, to help business executives to discover their creative potential, accept and advance others' ideas, and enjoy taking risks.
- Take A Bow Productions - Training for all ages in Chatham, Ontario. Includes list of games, photo gallery, course descriptions and pricing.
- Wisconsin Theater Game Center - Door County, Wisconsin improv school teaches based on the work of Viola Spolin.
