Association of Community Theatres - Central Ontario (ACT-CO)
- A regional not-for-profit organization dedicated to supporting community theatre in Central Ontario. Lists their member theatre groups and outlines their programs, including annual awards.
- http://www.actco.ca/

Classical Theatre Project
- An education initiative which performs classic works of dramatic literature for high school students in Ontario. Lists current season productions and packages available for interested schools.
- http://www.classicaltheatreproject.ca/

The Community Players of New Hamburg
- A musical theatre production company in New Hamburg, Ontario. Lists upcoming shows and information for donors and prospective talent.
- http://www.thecommunityplayers.com

The Red Barn Theatre
- A project of The Lake Simcoe Arts Foundation, stages professional theatre productions each spring/summer. Provides its upcoming schedule, history and past productions, and ticket information. Located in Jackson's Point.
- http://www.redbarntheatre.ca/

Western Ontario Drama League
- Includes support and networking for member groups. Offers members listing, newsletters, guestbook, links, and contacts.
- http://www.wodl.on.ca/

Shantero Productions Inc.
- Site list timetables of scheduled entertainments events organized by date, and by city of appearance, of Canadian performers in comedy, dance, music and theatre.
- http://www.shantero.com

Canadian Stage Company
- Theatre company based in Toronto, performing plays at various theatres and outdoors.
- http://www.canstage.com

It's A Mystery To Me - Murder Mystery Dinner Theatre
- Murder mystery shows for private or corporate events, and parties, with an emphasis on fun and humor. Performs throughout Ontario.
- http://www.mysterytome.com/

Theatre Ontario
- Provides Ontario theatre actors and enthusiasts with links to performances, training, awards, and news updates.
- http://www.theatreontario.org/

Stage Door's Playbill
- Links to theatres, performances and ticket information for many Ontario theatres.
- http://www.stage-door.org/playbill.html

Astro 2000
- A directory of professional summer theatres in the province of Ontario.
- http://www.summertheatre.org