| Wiltron International | Sainte-Thérèse | Amusement Machines & Supplies |
| Windigo Aventure | Petite-Patrie | Tout Tourisme et hôtels |
| Windshield123.com | Montréal | Auto Body Shop Equipment & Supplies |
| Windyne Voiles Sails | Dorval | Boat Equipment & Supplies, Marine Equipment & Supplies |
| Wing Noodles Ltd | Montréal | Chinese Food Manufacturers & Distributors |
| Wingo Consulting Import And Export | Montréal | Aviation Consultants & Services |
| Winmar Property Restoration Specialists - Rive S ud | Brossard | Building Repair & Restoration |
| Winner 4 Life Rep | Sainte-Catherine | Business & Trade Organizations |
| Winners | Saint-Hyacinthe | Bowling Clothing & Accessories |
| Winnie's Bar & Restaurant | Centre-Ville | Tout Bars et restaurants |
Publicité (Desktop) Publicité (Mobile) |
| WinningMinds | Montréal | Information Technologies (IT) |
| WINO | Montréal | Tout Commerces au détail |
| Winston Chan | Montréal | Chiropractors |
| Winston Miller Construction Inc | Montréal | Home Improvement |
| Winward Silks Of Canada | Montréal | Christmas Decorations & Lights |
| Wipeco Industries | Montréal | Tout Entreprises et services |
| Wipro Technologies | Montréal | Information Technologies (IT) |
| Wirewerks Inc. | Montréal | Tout Entreprises et services, Tout Informatique et internet |
| Wirth-Brand Inc | Montréal | Aluminum |
| Wise Communication | Montréal | Communications & Public Relations Consultants |
Publicité (Desktop) Publicité (Mobile) |
| Wize | Montréal | Alternative Health |
| Wl Mcmillan | Gatineau | wl |
| Wl Wyman | Pincourt | wl |
| Wm B Klein | Saint-Luc | zm |
| Wm Ballard | Candiac | zm |
| Wm Belland | Chapeau | zm |
| Wm Brouillet | Pointe-Claire | zm |
| WM Chmilnitzky | Kirkland | zm |
| Wm Gour | Brossard | zm |
| Wm Hanley | Longueuil | zm |
Publicité (Desktop) Publicité (Mobile) |
| Wm L H Harvey | Dorval | zm |
| WM Quebec Inc (Waste Management) | Longueuil | Life Sciences and Health Technologies (LSHT) |
| WM Québec Inc. | Anjou | Tout Entreprises et services |
| WM SHAKESPEARE | Montréal | zm |
| Wm Sulak | Park | zm |
| Wok Cafe | Centre-Ville | Tout Bars et restaurants, Chinese Food Restaurants |
| Wok Chevrier | Brossard | Chinese Food Restaurants |
| Wolf's Den | Kahnawake | Arts & Crafts Stores |
| Wolfe Contracting | Candiac | Home Improvement |
| Wolseley Canada | Pointe-Saint-Charles | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Wolseley Canada | Montréal | Plumbing |
| Wolseley Plumbing | Montréal | Plumbing |
| Wolseley Plumbing | Lachine | Plumbing |
| Wolseley Plumbing/HVAC | Anjou | HVAC |
| Wolters Kluwer Québec | Brossard | Information Technologies (IT) |
| WOMANCE | Laval-Des-Rapides | Tout Commerces au détail |
| Womb Project | Montréal | Massage Therapy |
| Women Beauty Stop | Brossard | Beauty Institutes |
| Wonder Brands Inc | Longueuil | Baked Goods Wholesalers |
| Wonder Travel | Centre-Ville | Tout Tourisme et hôtels |
