Dobie Maxwell
- Offers comedy workshops and performances nationwide. Newsletter, performance schedule, workshop calendar and contact information included. Flash required.
- http://www.dobiemaxwell.com/

Sirens
- All-female troupe whose show "Chicken Scratch" uses each performers own monologues as starting points for improvised scenes. Show schedule, and cast biographies are featured.
- http://www.sirensimprov.com/

Pavlov's Dogs
- Improvisational comedy troupe that features comedic site navigation to learn more about the cast, show schedule, reviews, and location.
- http://www.pdogs.com/

Schadenfreude Theater Company
- Sketch comedy troupe offering biographies, show schedule, press, gossip, downloads, and contact and donation information
- http://www.schadenfreude.net/

Galileo Players
- Develops original sketch comedy revues that explore the interplay between science, technology, faith and reason. Site includes history, schedule, reviews, cast, and hiring opportunities.
- http://www.galileoplayers.com/

ComedySportz Chicago
- Improv team comedy with a competitive edge that features an audience-interactive comedy competition between two teams of professional comedians. Training classes, show schedule, and biographies are featured.
- http://www.comedysportzchicago.com/

Salsation
- An all-Latino improvisational and sketch comedy ensemble performs 99% en ingles (in English), with appeal to all audiences. Reviews, cast, schedule, and contacts provided.
- http://www.salsation.com/

Second City
- Top comedy club has cultivated many of the nation's finest and best known comics.
- http://www.secondcity.com/

Paper Monkeys
- Touring comedy group. History, biographies, schedule and contact information included.
- http://papermonkeys.com/

Cleaning Ladies, The
- A long-form improv group that often performs shows at The Playground Theater and area venues. Information, show schedule, and photos are featured.
- http://www.cleaningladies.20m.com/

Gilmartin, Paul
- Comedian/performer providing audio samples, biography, upcoming schedule, contact and booking information.
- http://www.paulgilmartin.com

Chicago Improv Festival
- Annual improvisational comedy festival that includes performance schedule, ticket information, workshops, history, news and photo gallery.
- http://www.cif.com/

Chicago Comedy Festival
- Annual event includes information about shows, schedule, performers, participating venues, tickets, past performers and contact details.
- http://www.comedytown.com/

Chicago Comedy Company
- Customized corporate and college entertainment and creative training using improvisational comedy. Includes history, cast profiles, client list and contact information.
- http://www.chicagocomedyco.com/