Stage West
- A hotel with a theatrical venue, staging a variety of entertainment including plays, musicals, big bands and tribute bands. Provides upcoming events and ticket information.
- http://www.stagewest.com/whats_playing.asp

Mississauga Players
- A community theatre company for over 50 years. Provides a history of their productions and a detailed calendar of events.
- http://www.mississaugaplayers.ca/

Forward Theatre
- Produces thought-provoking, creative and original theatre, challenging conventional views on theatre. Also offers a Shakespeare for Schools program. Formerly known as the Candy Factory Theatre.
- http://www.forwardtheatre.com/

Clarkson Music Theatre
- A community theatre company that has entertained Mississauga for over 60 years. Includes news, upcoming shows and rehearsal schedule, and fundraising activity.
- http://www.clarksonmusictheatre.com/