| 7 Brothers Landscaping Inc | Sainte-Geneviève | Christmas Trees |
| 9331-5422 Québec Inc | Sainte-Julie | Beauty & Fitness, Hairdressers & Beauty Salons |
| A Antiquité Arsène Enr | Sainte-Rose | Antique Dealers |
| A Couture | Sainte-Catherine | Couture, COUTURE |
| A Ky | Sainte-Marthe-Sur-Le-Lac | ky |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| Abrasifs Primex Inc | Sainte-Julie | Abrasives |
| Abrasifs Primex Molemab Inc | Sainte-Julie | Abrasives |
| AC Lasalle | Sainte-Catherine | Cabinet Makers |
| Accélérateur HEC-Banque Nationale | Montréal | Startup Ecosystem |
Publicité (Desktop) Publicité (Mobile) |
| Acensi Canada | Montréal | Information Technologies (IT) |
| Ae Fournier | Sainte-Therese | ae |
| Agence Parcs Canada | Montréal | Not Profit, library |
| Ahuntsic Cartierville Culture Sports Récreation Libraries Ahuntsic | Montréal | Not Profit, library |
| Aide a domicile-Isabelle | Sainte Julie | Cleaning Services, Cleaning Service |
| Airmax Climatisation | Sainte-Catherine | Air Purifiers |
| Alain-Grandbois Bibliotheques | Laval | Not Profit, library |
| Alkalima Christian Store | Montréal | Not Profit, library |
| Alphacasting Inc. | Montréal | Aerospace, Tout Entreprises et services |
| Alternateur Démarreur Roussillon Enr | Sainte-Catherine | Alternators & Starters |
Publicité (Desktop) Publicité (Mobile) |
| Amusez-Vous! | Sainte-Julie | Tout Arts et divertissement |
| Anastasia Psychic Consultant(E) Psychique, Voyan te | Sainte-Julie | Astrologers & Psychics |
| Anaya Enfants | Sainte-Catherine | Tout Commerces au détail |
| André Moto Sport | Sainte-Catherine | All-Terrain Vehicles |
| Angiochem Inc | Montréal | Life Sciences and Health Technologies (LSHT) |
| Anne Drouin, artiste peintre | Sainte-Julie | Tout Arts et divertissement |
| Apollo Appliance Parts | Sainte-Geneviève | Appliance Parts & Supplies |
| Apple Sainte-Catherine | Montréal | Answering Machines & Equipment |
| Aqua Beauté | Sainte-Thérèse | Beauty & Fitness, Hairdressers & Beauty Salons |
| Arboretum Morgan | Sainte-Anne-De-Bellevue | Tout Tourisme et hôtels |
Publicité (Desktop) Publicité (Mobile) |
| Architecture Richard Cyr (Plans - Dessins) | Sainte-Marthe-Sur-Le-Lac | Architectural & Construction Specifications |
| Archives municipales | Montréal | Not Profit, library |
| Armelle Coiffure | Sainte-Thérèse | Beauty & Fitness, Hairdressers & Beauty Salons |
| Arrondissement de Lachine | Lachine | Not Profit, library |
| Arrondissement Verdun | Verdun | Not Profit, library |
| Articles Promaly Enr | Sainte-Thérèse | Arbitration Service |
| Artlequin | Sainte-Julie | Art Schools |
| Artothèque De Montréal | Montréal | Not Profit, Tout Arts et divertissement, library |
| ASA Rénovation et Ébénisterie | Sainte-Julienne | Cabinet Makers |
| Aspirateur Cyclo Vac Laval Ste-Rose | Sainte-Rose | Central Vacuum Systems |
Publicité (Desktop) Publicité (Mobile) |
| Aspirateur St-Constant Inc | Sainte-Catherine | Central Vacuum Systems |
| Association des Bibliothécaires du Québec | Beaconsfield | Not Profit, library |
| ATD DESIGN SERVICES (4071468 CANADA INC.) | Sainte-Geneviève | Aerospace |
| Atelier Boutique Rheault & Minéraux | Sainte-Julie | Arts & Crafts Stores |
| Atelier de Reliure Catherine Gaumerd | Montréal | Bookbinders |
| Atelier Lo | Sainte-Rose | Beauty & Fitness, Hairdressers & Beauty Salons |
| Atwater Library and Computer Centre | Centre-Ville | Tout Enseignement et savoir, Tout Informatique et internet |
| Au Grenier De La Beauté | Sainte-Julie | Beauty & Fitness, Hairdressers & Beauty Salons |
| Au Kh | Sainte-Thérèse | kh |
| Auberge Alpine Inn | Sainte-Adèle | Tout Tourisme et hôtels |
