| Auberge aux Quatre Matins | Saint-Jérôme | Tout Bars et restaurants, Tout Commerces au détail, Tout Tourisme et hôtels |
| Auberge Estonia | Saint-Jérôme | Tout Tourisme et hôtels |
| Auberge Le Cheval Bleu | Saint-Alphonse-Rodriguez | Tout Bars et restaurants, Tout Tourisme et hôtels |
| Auberge Le Saint-Gabriel | Montréal | Banquet Rooms |
| Auberge Saint-Gabriel | Montréal | Tout Bars et restaurants |
| Auberge Saintlo | Centre-Ville | Tout Tourisme et hôtels |
| Aubin Ginette | Sainte-Claire | Real Estate Offices, Agence immobiliere |
| Aubé Avocats | Saint-Constant | Business Lawyers |
| Audace Coiffure Elle & Lui | Saint-Bruno | Beauty & Fitness, Hairdressers & Beauty Salons |
| Audi Prestige | Montréal | Automobiles, car Dealers |
Publicité (Desktop) Publicité (Mobile) |
| Audi St-Bruno | Saint-Bruno | Auto Body Shop Equipment & Supplies |
| Audio Contrôle | Est | Life Sciences and Health Technologies (LSHT) |
| Audio Postproduction SPR Inc. | Montréal | Information Technologies (IT) |
| Audiokinetic | Montréal | Information Technologies (IT) |
| Audioprothésiste Sophie Gamache | Mont-Saint-Hilaire | Audiologists |
| Austin Cleaning Services | Verdun | Cleaning Services, Cleaning Service |
| Austin Cleaning Services / Austin Service de Nettoyage | Montréal | Cleaning Services, Cleaning Service |
| Auticonsult Canada | Étage | Information Technologies (IT) |
| Auto Arizona Inc | Montréal | Car Repair |
| Auto Balmor | Cote Saint-Luc | Garage Auto |
Publicité (Desktop) Publicité (Mobile) |
| Auto Body Expert Inc | Saint-Eustache | Auto Body Shop |
| Auto Centre Martin Levesque Inc | Saint-Lambert | Car Repair |
| Auto Contact | Saint-Hubert | Auto Repair Garages |
| Auto Eka Inc | Saint-Hubert | Auto Repair Garages |
| Auto Electrique St-Hubert | Saint-Hubert | Alternators & Starters |
| Auto Flash | Saint-Hubert | Auto Repair Garages |
| Auto Magik Inc | Sainte-Geneviève | Auto Body Shop |
| Auto Med | Saint-Léonard | Garage Auto |
| Auto Niko Inc | Saint-Léonard | Garage Auto |
| Auto Occasion Journal | Saint-Léonard | Advertising Agencies |
Publicité (Desktop) Publicité (Mobile) |
| Auto Perfection 2000 | Montréal | Car Repair |
| Auto Performance Easy | Saint-Léonard | Car Repair |
| Auto Prestige MS | Saint-Léonard | Mecanique Auto |
| Auto Reprise Rive Nord | Saint-Hubert | Auto Part Manufacturers & Wholesalers |
| Auto Solution Inc | Montréal | Auto Services |
| Auto Spa Protection | Saint-Alphonse-De-Granby | Auto Body Shop |
| Auto Strasse Inc | Montréal | Auto Services |
| Auto Value Centre De Service Certifié-Template | Saint-Léonard | Auto Repair Garages |
| Auto électrique Gagnon inc. & Centre de mécanique Gagnon inc. | Saint-Léonard | Mecanique Auto |
| Autodesk | Montréal | Information Technologies (IT) |
Publicité (Desktop) Publicité (Mobile) |
| Autodéfense Taikido | Saint-Hubert | Health and Beauty |
| Autoglobe JAM | Saint-Léonard | Auto Services |
| Autokosmet X | Saint-Hubert | Car Detailing |
| Automat Technologies | Montréal | Information Technologies (IT) |
| Automat.ai | Montréal | Information Technologies (IT) |
| Automation Machine Design Inc | Saint-Hubert | Automation Systems & Equipment |
| Automation R.L. | Saint-Hyacinthe | Tout Entreprises et services |
| Automatisation Idexpac Inc | Saint-Jean-Sur-Richelieu | Automation Systems & Equipment |
| Automatisation Optima Inc | Saint-Jean-Sur-Richelieu | Automation Systems & Equipment |
| Automatisation Optima Inc | Saint-Jean-Sur-Richelieu | Automation Systems & Equipment |
