| Artisan2k | Saint-Bruno-De-Montarville | Tout Médias montréalais |
| Artistri Sud | Saint-Henri | Tout Communautés et société |
| Artlequin | Sainte-Julie | Art Schools |
| Artmetco Inc. | Montréal | Tout Entreprises et services |
| ArtMotive Garage | Montréal | Auto Body Shop |
| Arturos Cleaning/Limpiesa | Montréal | Cleaning Services, Cleaning Service |
| Artwork Bodyshop | Saint-Charles-Sur-Richelieu | Auto Body Shop |
| Aryzta Ltd | Saint-Hubert | Agri-food |
| Arèna Roberto-Luongo | Saint-Léonard | Arenas, Stadiums & Athletic Fields |
| Aréna Jean-Rougeau | Saint-Basile-Le-Grand | Arenas, Stadiums & Athletic Fields |
Publicité (Desktop) Publicité (Mobile) |
| Aréna Marcel-LaRocque Inc | Saint-Jean-Sur-Richelieu | Arenas, Stadiums & Athletic Fields |
| Arôme Concierge Dépôt | Saint-Léonard | Cleaning & Janitorial Supplies |
| As du Lavage à Pression | Montréal | Building Exterior Cleaning |
| As Du Rangement | Saint-Constant | Closet Organizers & Accessories |
| As Marleau | Montréal | as |
| ASA Cleaning Service | Montréal | Cleaning Services, Cleaning Service |
| ASA Rénovation et Ébénisterie | Sainte-Julienne | Cabinet Makers |
| Ascenseurs Lumar | Saint-Félix-De-Valois | Tout Entreprises et services |
| Ascenseurs Savaria Concord | Laval | Life Sciences and Health Technologies (LSHT) |
| Ascenseurs Savaria Concord Inc. | Montréal | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| ASE Equipements Inc | Saint-Jean-Sur-Richelieu | Automation Systems & Equipment |
| ASentretien | Montréal | Cleaning Services, Cleaning Service |
| Asg Autoart | Saint-Lambert | Car Repair |
| ASG Canada | Montréal | Information Technologies (IT) |
| ASI Computer Technologies (Canada) Corp | Montréal | Information Technologies (IT) |
| Asi Corporation | Montréal | Computer Manufacturers & Wholesalers |
| Asli Yasar Makeup Artist | Saint-Lambert | Artists |
| ASM MOTOSPORT | Saint-Jean-Sur-Richelieu | Aircraft & Flight Schools |
| Asolec Électrique inc | Saint-Bruno | Electricians |
| Aspido Inc | Montréal | Information Technologies (IT) |
Publicité (Desktop) Publicité (Mobile) |
| Aspira Nettoyage | Montréal | Cleaning Services, Cleaning Service |
| Aspirateur Anjou Inc | Saint-Léonard | Central Vacuum Systems |
| Aspirateur Cyclo Vac Laval Ste-Rose | Sainte-Rose | Central Vacuum Systems |
| Aspirateur St-Constant Inc | Sainte-Catherine | Central Vacuum Systems |
| Aspirateur West Island Vacuum | Montréal | Appliance Manufacturers & Wholesalers |
| Aspirateurs MG Plus | Saint-Hubert | Central Vacuum Systems |
| Aspirateurs St Hubert | Saint-Hubert | Central Vacuum Systems |
| Aspirmatic | Laval | Cleaning Services, Cleaning Service |
| Asplundh Canada | Terrebonne | Life Sciences and Health Technologies (LSHT) |
| Assima Canada / Wizart Canada | Montréal | Information Technologies (IT) |
Publicité (Desktop) Publicité (Mobile) |
| Assista Medical | Hall | Life Sciences and Health Technologies (LSHT) |
| Assn Des Proprietaires Quebec | Saint-Hubert | Associations |
| Association de l'industrie électrique du Québec (AIEQ) | Montréal | Clean Technologies |
| Association de la fibromylagie des... | Saint-Jérôme | Tout Communautés et société |
| Association De La Rive-Sud Pour La Déficience Intellectuelle | Saint-Lambert | Associations |
| Association des artistes peintres affiliés de la Rive | Saint-Bruno | Tout Arts et divertissement |
| Association des cinémas parallèles du Québec (ACPQ) | Saint-Léonard | Tout Arts et divertissement |
| Association des clubs de soccer de... | Saint-Hubert | Tout Arts et divertissement |
| Association Des Collectionneurs De Céramique Du Québec | Saint-Lambert | Associations |
| Association des Consultants Et Laboratoires Experts | Saint-Léonard | Associations |
