| Wa On Chan | Montréal | wa |
| Wa Ung | Montréal | wa |
| Wabana Antique | Mont-Tremblant | Tout Commerces au détail |
| Wachiya | Montréal | Tout Commerces au détail |
| Wai Shan Wu | Brossard | wu |
| Wai-Yant Li (Créations Li) | Montréal | Arts & Crafts Stores |
| Wainbee | Pointe-Claire | Compressors |
| Wainberg Allen Dr | Westmount | Dentists |
| Wajam | Montréal | Information Technologies (IT) |
| Wajax Industrial Components | Lasalle | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Wajax Industrial Components | Dorval | Business Centres |
| Wajax Systèmes de puissance | Dorval | Tout Entreprises et services |
| Wak Solutions Inc | Montréal | Computer Cabling, Installation & Service |
| Wakeling Automobile Servi | Lasalle | Garage Auto |
| Waldpex Inc (Les Entreprises) | Montréal | Care Homes |
| Walls Painting | Lile-Perrot | Painters |
| Walmart Supercentre | Brossard | Tire Shop, Auto Repair Garages, Auto Services |
| Walmart Supercentre (Laval) | Laval | Generators |
| Walsh Integrated | Québec | Life Sciences and Health Technologies (LSHT) |
| Walshmart | Beaconsfield | Catalogue & Online Shopping |
Publicité (Desktop) Publicité (Mobile) |
| Walter International | Westmount | Tout Entreprises et services |
| Walter Montréal | Montréal | Tout Entreprises et services |
| Walter Technologies Pour Surfaces Inc | Westmount | Abrasives |
| Waltz Canada | Montréal | Information Technologies (IT) |
| Waly Informatique | Québec | Tout Informatique et internet |
| Wampole Brands | Boucherville | Agri-food |
| Wanderlust Bar Beauté - Coiffure Terrebonne | Terrebonne | Beauty & Fitness, Hairdressers & Beauty Salons |
| Wanremote Systems Inc | Montréal | Shopping Mall |
| Wapikoni mobile | Petite-Patrie | Tout Arts et divertissement, Tout Communautés et société |
| Warling Hair Design | Montréal | Beauty & Fitness, Hairdressers & Beauty Salons |
Publicité (Desktop) Publicité (Mobile) |
| Warner Bros Games | Montréal | Information Technologies (IT) |
| Warranty Company Of Cda | Montréal | Call Centres |
| Wasappli | Montréal | Information Technologies (IT) |
| watchmojo | Centre-Ville | Tout Entreprises et services |
| Watchtyme | Montréal | Clock Repair |
| Water Critters | Montréal | Animal Breeders |
| WATER POLLUTION | Montréal | Blue Pages |
| Watson John (Quebec) Ltd | Montréal | Plumbing |
| Watters Environnement Inc | Longueuil | Life Sciences and Health Technologies (LSHT) |
| Wattosoleil | Montréal | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| Watts Illimites Inc | Laval | Computer Room Setup, Protection, Equipment & Maintenance |
| Wave Coiffure | Montréal | Black Hair Salons |
| Wave HVAC | Montréal | HVAC |
| Wavicle Data Solutions | Québec | Information Technologies (IT) |
| Wawanesa Assurance | Brossard | Business Insurance |
| Wawanesa Cie Mutuelle d'Assurance | Mont-Royal | Business Insurance |
| Wawanesa Québec Assurance | Ville-Mont-Royal | Tout Entreprises et services |
| WAWI Chocolate Inc | Laval | Agri-food |
| Waxman | Montréal | Tout Commerces au détail |
| Waygo | Montréal | Tout Entreprises et services |
