Sirens Chicago all-female troupe whose show "Chicken Scratch" uses each performers own monologues as starting points for improvised scenes. http://www.sirensimprov.com/ Sirensimprov.com~Site InfoWhoisTrace RouteRBL Check
The Improv Bandits Auckland, New Zealand, company that performs original shows and Keith Johnstone formats both at home and abroad. http://www.improvbandits.co.nz/ Improvbandits.co.nz~Site InfoWhoisTrace RouteRBL Check
The Groundlings Legendary Los Angeles improv company that launched the careers of such performers as Phil Hartman, Lisa Kudrow, Jon Lovitz, and Edie McClurg. http://www.groundlings.com/ Groundlings.com~Site InfoWhoisTrace RouteRBL Check
Amnesia Wars New York City group dedicated to stretching the possibilities of long-form improv in such shows as "Psycheroticproviholicyesandsomethingvoodoo." http://www.amnesiawars.com/ Amnesiawars.com~Site InfoWhoisTrace RouteRBL Check
Bovine Metropolis Theater Denver comedy theater that hosts "Improv Hootenanny" and "On the Spot." They also offer adult and teen improv workshops, and performance opportunities for high school and college troupes. http://www.bovinemetropolis.com/ Bovinemetropolis.com~Site InfoWhoisTrace RouteRBL Check
Improvoholics New York City mainstays strive to create new games and tweak old ones to amuse and entertain the audience. http://www.improvoholics.com/ Improvoholics.com~Site InfoWhoisTrace RouteRBL Check
Laughing Matters Atlanta improv troupe does public performances and private bookings and workshops using such formats as murder mysteries and game shows to team-build and foster creativity. http://www.laughingmatters.com/ Laughingmatters.com~Site InfoWhoisTrace RouteRBL Check