| 41 Autoworks Ltd | Montréal | Auto Repair Garages, Balancing Service, Not Profit, Car Repair |
| 4Tires.ca, Tires for Sale | Boisbriand | Tout Commerces au détail |
| 9141-2148 Québec Inc | Westmount | Cleaning Services, Cleaning Service |
| ABP Consultants en personnel | Westmount | Tout Entreprises et services |
| ABZ Assurances-Insurance | Westmount | Car Insurance |
| ACA | Westmount | Collection Agencies |
| Académie Ballet Flamenco Lina Moros | Westmount | Tout Enseignement et savoir |
| Acier Wirth Steel | Westmount | Aluminum |
| Action Sport Physio | Westmount | Tout Entreprises et services, Physiotherapy |
| Adelman, Adam | Westmount | Boutiques |
Publicité (Desktop) Publicité (Mobile) |
| Advanceit Financial Corp | Westmount | Computer Networking |
| Air-Therm Inc | Westmount | Plumbing |
| Alex pneu et mécanique | Montréal | Tout Commerces au détail |
| Altea Furniture | Westmount | Antique Restoration, Refinishing & Repair |
| AM1280 CFMB | Westmount | Tout Médias montréalais |
| Amadea S. Kezar Physiothérapie | Westmount | Physiotherapy |
| AMG Auto-Mécanique | Montréal | Auto Repair Garages, Not Profit, Car Repair |
| AmorChem Holdings Inc | Montréal | Life Sciences and Health Technologies (LSHT) |
| AmorChem Therapeutics Inc | Westmount Square | Life Sciences and Health Technologies (LSHT) |
| Andrea Flütsch | Westmount | Physiotherapy |
Publicité (Desktop) Publicité (Mobile) |
| Antiquites Coach House Enr | Westmount | Antique Dealers |
| Antirouille DURA TECH Inc. | Western Quebec | Tout Commerces au détail |
| Antirouille Provincial Inc | Montréal | Tout Commerces au détail |
| Aplast Canada Inc | Westmount | Home Improvement |
| AquaExpert | Westmount | Aquariums & Supplies |
| Artgold Fine Art Inc | Westmount | Antique Dealers |
| Aspler Joseph Jutras Inc | Westmount | Car Insurance |
| Assemblée Quaker de Montréal | Westmount | Tout Communautés et société |
| Association des Médecins omnipratic... | Westmount | Tout Communautés et société |
| Association des Éditeurs de Langue... | Westmount | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Association Québécoise des Indépend... | Montréal | Tout Commerces au détail, Tout Entreprises et services |
| Atelier Blow | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Atelier de Serrures Martin's Swiss | Westmount | Bicycle Stores |
| Atelier Mécanique C.M.S. inc. Certifié Auto Service | Saint-Léonard | Auto Repair Garages |
| Atelier Mécanique VéREc | Saint-Hubert | Auto Repair Garages |
| Atelier Scissor House | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Ateliers M Driveshaft Inc | Lasalle | Tout Commerces au détail |
| Atrium Innovations Inc. | Westmount | Agri-food |
| Auto Care Montreal | Montréal | Auto Repair Garages |
| Auto Contact | Saint-Hubert | Auto Repair Garages |
Publicité (Desktop) Publicité (Mobile) |
| Auto Eka Inc | Saint-Hubert | Auto Repair Garages |
| Auto Excellence | Brossard | Auto Repair Garages |
| Auto Flash | Saint-Hubert | Auto Repair Garages |
| Auto Martel Heroux | Anjou | Auto Body Repair & Painting Shops, Auto Repair Garages, Not Profit, Car Repair |
| Auto Sounboul | Montréal | Auto Repair Garages |
| Auto Value Centre De Service Certifié-Template | Saint-Léonard | Auto Repair Garages |
| Automobiles J L P Enr | Montréal | Tout Commerces au détail, Car Repair |
| Autoselect MAV | Montréal | Auto Repair Garages |
| Avataq Institut Culturel | Westmount | Arts & Cultural Organizations & Centres |
| Avenue Des Arts | Westmount | Art Materials & Supplies |
