- Bay Area Theatre Sports - San Francisco-based Theatresports performers with a hectic schedule and an improv school.
- Cape Town Theatre Sports Improvisation comedy group - Cape Town, South Africa TheatreSports team - the longest running show in Cape Town. Sit contains show and class information.
- Dad's Garage Theatre Company - Home of TheatreSports Atlanta, features a weekly competitive show as well as extended runs of theme long-form productions.
- Fastfood Theater - Munich Theatresports ensemble.
- Freestyle Repertory Theatre Home Page - New York City's TheaterSports home also houses "An Order of Chaos," an improvised play about a restaurant.
- Impro Melbourne - Melbourne, Australia, troupe's site with information about upcoming shows and classes.
- Impro Theatre - Los Angeles league of Theatresports offers an improvised soap opera called Carnal Peaks, as well as the student-run Sunday Show.
- ImprovBoston - Boston improvisational comedy troupe has a Web site with show times, improv essays, info about workshops, and a discussion board.
- Keith Johnstone Workshops Inc. - The creator of Theatresports offers workshops around the world at his Web site, as well as info about his work.
- London Theatresports - London edition of Theatresports has at their Web site info on the history of the show, a chat room, and links to other improv-related sites.
- Rapid Fire Theatre - Edmonton company that performs Theatresports, as well as other long-form shows.
- San Diego Theatre Sports - Improvisational comedy performance troop information including show schedule, reservations, and class schedule. Based in San Diego.
- Steife Brise - Hamburg Theatresports group.
- The Spontaneity Shop - London comedy troupe based on the work of Keith Johnstone.
- The Stanford Improvisors - Stanford University ensemble that are licensed to perform Theatresports.
- Unexpected Productions - Seattle branch of TheatreSports, also featuring long-form productions and classes. Includes schedule and ticket sales.
- Vancouver TheatreSports League - Vancouver's version of TheatreSports also performs "Rockin' At The Improv," an improvised music and comedy show.
