| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| Agence Candy Land Montreal | Montréal | Candy & Confectionery Stores |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| Agence Sylvain Charron Inc | Mirabel | Furniture Stores |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| AIR IMEX Ltée | Montréal | Aerial Photographers |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
| Air View Concept | Brossard | Aerial Photographers |
| Aircam.ca | Saint Jean | Tout Entreprises et services |
| AIRCRAFT EQUIPMENT & SUPPORT SERVICES | Dorval | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| Airviews | Montréal | Aerial Photographers |
| Airviews - Imageries Aériennes | Montréal | Aerial Photographers |
| Ajr Photobooth | Montréal | Balloons |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| Alerte-Café Services Techniques Inc. | Montréal | Coffee Machines & Roasting Equipment |
| Alexandre-Alexander Enr | Montréal | Book Stores |
| Alextreme Câblage | Brossard | Cabling Equipment & Supplies |
| Alfa Ordinateurs | Montréal | Answering Machines & Equipment |
| Alia N Tangay | Longueuil | Clothing Stores |
| Alimentation Raymond Drouin Inc | Longueuil | Not Profit, Grocery Stores |
Publicité (Desktop) Publicité (Mobile) |
| Aliments Morehouse Canada Inc | Lachine | Agri-food |
| Aliments T & N (Les) | Lachine | Agri-food |
| All You Need | Montréal | Arts & Crafts Stores |
| Alliance Nav | Montréal | Boat Equipment & Supplies, Marine Equipment & Supplies |
| Allstream | Lachine | Information Technologies (IT), Tout Entreprises et services, Tout Informatique et internet |
| Alongi | Lachine | Tout Commerces au détail, Tout Entreprises et services |
| Alpakine | Saint-Lambert | Clothing Stores |
| Altea Furniture | Westmount | Antique Restoration, Refinishing & Repair |
| Alto Shaam Canada | Montréal | Commercial Kitchen Equipment |
| Altrom/Auto-Camping - Brossard | Brossard | Auto Body Shop Equipment & Supplies |
Publicité (Desktop) Publicité (Mobile) |
| Altrom/Auto-Camping - Dorval | Dorval | Auto Body Shop Equipment & Supplies |
| Altrom/Auto-Camping - Laval | Laval | Auto Body Shop Equipment & Supplies |
| Always B Clean | Lachine | Home Improvement |
| Amarie-Josée Rompré Photographe | Montréal | Tout Commerces au détail |
| Amazon Gifts Store | Dollard Des Ormeaux | Furniture Stores |
| AMD Ritmed Inc. | Québec | Life Sciences and Health Technologies (LSHT) |
| Ameublement | Laval | Furniture Stores |
| Ameublement Abr | Longueuil | Furniture Stores |
| Ameublement Appareils O-Tech | Laval | Furniture Stores |
| Ameublement Bon Coup | Montréal | Furniture Stores |
Publicité (Desktop) Publicité (Mobile) |
| Ameublement J C Perreault | Laval | Beds, Furniture Stores |
| Ameublement Lida Furniture Inc | Saint-Léonard | Beds |
| Ameublement Simard Inc | Boucherville | Furniture Stores |
| Ameublements De Bureau Intrtch | Dorval | Furniture Stores |
| Ameublements El Ran Ltée | Pointe-Claire | Furniture Stores |
| Ameublements Thomasville | Pointe-Claire | Furniture Stores |
| Ami-Co Inc | Saint-Hubert | Beauty Salon Equipment & Supplies |
| AMJ Campbell Van Lines | Lachine | Tout Entreprises et services |
| Amstik Inc. | Riviere-Des-Prairies | Tout Entreprises et services |
| Amusez-Vous! | Sainte-Julie | Tout Arts et divertissement |
