| Tam Brazilian Airlines | Montréal | Airlines |
| Team Tube Ltd. | Laval | Tout Entreprises et services |
| Ti Tune Chen | Saint-Georges | ti |
| Top Ace Inc. | Pointe-Claire | Airlines |
| Top Ace Inc. | Dollard Des Ormeaux | Airlines |
| Transat A T Inc | Montréal | Airlines |
| Transat Tours Canada | Montréal | Airlines |
| Travailleurs et Travailleuses Unis... | Villeray | Tout Communautés et société |
| TUAC | Saint-Léonard | Community Service & Charitable Organizations |
| TUAC 500 | Villeray | Tout Communautés et société |
Publicité (Desktop) Publicité (Mobile) |
| Tuango | Montréal | Catalogue & Online Shopping |
| Tucci Nadia | Montréal | Business Lawyers |
| tuck shop | Mauricie | Tout Bars et restaurants |
| Tuesday Night Cafe Theatre | Montréal | Auditoriums & Halls |
| Tuffelli | Montréal | Tout Arts et divertissement |
| Tuile & Terrazzo M N Ltée | Montréal | Flooring |
| Tuiles Céramiques Et Marbre Di Flumeri Inc | Montréal | Ceramic Tile Installers & Contractors |
| Tuiles Johnny | Montréal | Flooring |
| Tuiles Ottavio Inc. | Montréal | Flooring |
| Tuiles Unitec Tiles Inc | Montréal | Flooring |
Publicité (Desktop) Publicité (Mobile) |
| tumiprint | Petite-Patrie | Tout Entreprises et services |
| Tung Bui Consultant Inc | Mont-Royal | Electricians |
| Tungle Corporation | Montréal | Information Technologies (IT) |
| Tuninsight Inc. | Montréal | Life Sciences and Health Technologies (LSHT) |
| Tuong Van Ngoyen | Montréal | Bankruptcy Lawyers |
| Tuque Games | Québec | Information Technologies (IT) |
| Turbide Paquette | Montréal | Chartered Professional Accountants (CPA) |
| Turbulent | Montréal | Information Technologies (IT) |
| Turbulent Media | Montréal | Tout Informatique et internet |
| Turcotfest | Montréal | Auditoriums & Halls |
Publicité (Desktop) Publicité (Mobile) |
| Turcotte Habel Audioprothésistes Ch Inc | Chambly | Audiologists |
| Turgeon Louise | Laval | Beauty & Fitness, Hairdressers & Beauty Salons |
| Turing.Écosystème Startup / Capital de risque (Venture capital) [39] | Montréal | Information Technologies (IT) |
| Turkish Airlines | Montréal | Airlines |
| Turkish Airlines | Dorval | Airlines |
| Turkish Airlines Cargo Inc | Dorval | Airlines |
| Turmel & Ass Courtiers Inc | Québec | Real Estate Offices, Courtier immobilier |
| Turmot Inc | Montréal | Boat Equipment & Supplies, Marine Equipment & Supplies |
| Turner Allison Bur Camp Election | Montréal | Collection Agencies |
| turquoise Design | Montréal | Landscaping |
Publicité (Desktop) Publicité (Mobile) |
| Tutino Joseph Grégoire | Montréal | Business Lawyers |
| Tutorat Maxsam | Saint-Jean-Sur-Richelieu | Balloons |
| Tutti Fruitti | Pierrefonds | Candy & Confectionery Stores |
| Tutti Frutti Déjeuners | Montréal | Tout Bars et restaurants |
| Tuyauterie Expert | Lasalle | Plumbing |
| Tuyauterie Expert Inc | Lasalle | HVAC |
| Tuyauterie Expert Inc | Lasalle | Plumbing |
| Tuyaux Wolverine Canada Inc | Montréal | Plumbing |
| Tuyetanh To | Brossard | tz |
| Twin City Air | Montréal | Airlines |
