Groups

Pip's Laundry Improv - Improvisational theatre group which does sketches, songs, and scenes made up from the suggestions given by the audience.
http://www.pipslaundry.com/

Pocket Full of Tales Children Theater - Improvised shows where kids supply the characters and locations for original musicals, or scripted shows for parties and schools. Cast information, shows, classes, tickets, calendar, and contact details.
http://www.pocketfulloftales.com/

Impatients, The - Toronto-based improv ensemble performing short and longform, narrative and character-based. Show details and bulletin board.
http://www.longform.ca/

Hudson River Playback Theatre - Audience members' true stories are brought to life from this Mid-Hudson area company. Information on show schedule, information on using playback for schools or business, and contacts.
http://www.hudsonriverplayback.org/

Lunatic Players, The - The Lunatic Players is an improv troupe dedicated to provide entertainment for everyone in communities around the NYC and Long island areas.
http://www.angelfire.com/games4/thelunaticplayers/

Improvisational Theatre at The College of William & Mary - Williamsburg, VA. Student run performance group founded in 1986. Includes links to other improv sites as well as an improv message board, photos, calendars, and contact information.
http://www.wm.edu/so/improv/

Playback Theatre Company - Improvisational theatre company based in Melbourne, Australia. Troupe, performance, and contact information.
http://home.vicnet.net.au/~playback/

Transactors Improv Co. - Professional touring theater based in Chapel Hill, N.C. Schedule and reviews.
http://www.transactors.org/

Canadian Improv Games - Canada's national festival of improvisation for youth. Regional information, explanation of how to get involved and event details.
http://www.improv.ca/

Original Theatre Project - Informal group who endeavour to create original theatre through improvising, writing, experimenting, and rehearsing.
http://www.oak.u-net.com/OriginalTheatre/index.html