Business groups starting with "T"
- T & H Auto Electric - Target Products Ltd
- Taschen - Tele-Quebec
- Telecommunications Workers - The Cabinet Shop
- The Car Club West - The Royalton Hospitality Inc.
- The RRS Company - Thrifty Foods
- Thrifty Foods Flowers & More - Titanium Auto Sales
- TKW DMC Europe Pvt Ltd - Toronto Clear View Window Cleaning
- Toronto Community Ctr - Town Council
- Town Council Office - Travel Masters
- Travel Media - Trinity Lutheran Church
- Trinity Presbyterian Church - Tutoring Expert Canada
- Tutors on Call - Tye's of London Inc