Playground, The - Improvisational theatre. Includes calendar of shows, history, special events and contact information. - http://www.the-playground.com/
Noble Fool Theater - Focusing on improv and comedy; site includes show schedule, reviews, biographies and location. - http://www.noblefool.com/
Annoyance Productions - Creators of digital comedy content and improvisational theatre. Features mailing list, projects, community services, classes, and show schedule. - http://www.annoyanceproductions.com/