| 9141-2148 Québec Inc | Westmount | Cleaning Services, Cleaning Service |
| A Fernande Fleuriste | Lemoyne | Artificial Flower & Plant Arrangements, Baskets |
| A Fleuriste Laval | Lemoyne | Baskets |
| ABP Consultants en personnel | Westmount | Tout Entreprises et services |
| ABZ Assurances-Insurance | Westmount | Car Insurance |
| AC Mclean Massage Therapist | Lemoyne | Massage Therapy |
| ACA | Westmount | Collection Agencies |
| Académie Ballet Flamenco Lina Moros | Westmount | Tout Enseignement et savoir |
| Acces Physio Collège Charles-Lemoyne | Delson | Physiotherapy |
| Acier Wirth Steel | Westmount | Aluminum |
Publicité (Desktop) Publicité (Mobile) |
| Action Sport Physio | Westmount | Tout Entreprises et services, Physiotherapy |
| Adelman, Adam | Westmount | Boutiques |
| Advanceit Financial Corp | Westmount | Computer Networking |
| Air-Therm Inc | Westmount | Plumbing |
| Alias Informatique | Lemoyne | Computer Cabling, Installation & Service |
| Alouette Automates Inc | Lemoyne | Coffee Shops |
| Altea Furniture | Westmount | Antique Restoration, Refinishing & Repair |
| Aluminium Pierre Enrg | Lemoyne | Aluminum Products |
| AM1280 CFMB | Westmount | Tout Médias montréalais |
| Amadea S. Kezar Physiothérapie | Westmount | Physiotherapy |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Antiquites Coach House Enr | Westmount | Antique Dealers |
| Aplast Canada Inc | Westmount | Home Improvement |
| AquaExpert | Westmount | Aquariums & Supplies |
| Aquarius Perfect Body Zone | Pointe-Claire | Health and Beauty |
| Aromasso Concept | Lemoyne | Massage Therapy |
| Artgold Fine Art Inc | Westmount | Antique Dealers |
| Aspler Joseph Jutras Inc | Westmount | Car Insurance |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Association Marie Reine 651 | Lemoyne | Community Service & Charitable Organizations |
| Atelier Blow | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Atelier de Serrures Martin's Swiss | Westmount | Bicycle Stores |
| Atelier Scissor House | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Atrium Innovations Inc. | Westmount | Agri-food |
| Avataq Institut Culturel | Westmount | Arts & Cultural Organizations & Centres |
| Avenue Des Arts | Westmount | Art Materials & Supplies |
Publicité (Desktop) Publicité (Mobile) |
| Axion Acupuncture Clinic | Westmount | Acupuncturists |
| Babar En Ville | Westmount | Book Stores |
| Bagels on Greene | Westmount | Bagels |
| Bantam Materials International | Westmount | Chemicals |
| Baron Abrams | Westmount | Business Lawyers |
| Baron Realty / Immobilier Baron | Westmount | Tout Entreprises et services |
| Beausoleil | Lemoyne | Bicycle Stores |
| Ben & Tournesol | Westmount | Tout Commerces au détail |
| Benson Joan | Westmount | Business Lawyers |
| Bibliothèque publique de Westmount | Westmount | Tout Enseignement et savoir |
