| 1230 Électroniques | Lachine | Computer Repair & Cleaning |
| 123inkcartridges.ca | Lachine | Camera & Photo Equipment Stores |
| 1Simple1 - Groupe Nyeta | Brossard | Computer Networking |
| 3 VIS | Anjou | Computer Graphics Design & Animation |
| 3ZCOM | Longueuil | Computer Networking |
| 3zcom informatique | Longueuil | Computer Networking |
| 4Degrees Montreal | Montréal | Information Technologies (IT) |
| 9132-1000 Québec Inc | Lachine | Business & Trade Organizations |
| 9334-4349 Quebec Inc | Lachine | Pizza & Pizzerias |
| A Asselin & Fils Inc | Lachine | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| A Pex Discount Inc | Lachine | Bedding & Linens |
| Aai Encanteurs Assoc Intl | Lachine | Auctions |
| ABF Systèmes Inc. | Boucherville | Tout Entreprises et services |
| Abu-Lasia/ Matamin | Lachine | Baked Goods Wholesalers |
| Acadia | Montréal | Computer & Technology Assistance Programs |
| Acadia | Montréal | Computer & Technology Assistance Programs |
| ACCEO Solutions | Montréal | Computer Consultants |
| Access Graphics Of Canada Att | Saint-Léonard | Computer Graphics Design & Animation |
| Accessoires Rose Blanche | Lachine | Bakery Equipment, Bakery Supplies |
| Accord Expositions | Lachine | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Accès Ingrédients | Boucherville | Agri-food |
| Acier Inoxydable Fafard Inc. | Boucherville | Tout Entreprises et services |
| Acier Lachine Inc | Lachine | Aluminum |
| Acier Leroux | Boucherville | Tout Entreprises et services |
| Acier Leroux Inc | Boucherville | Aluminum |
| Action.Grenier Autogroupe | Boucherville | Tout Commerces au détail |
| Ad Mats | Boucherville | Tout Commerces au détail |
| Adapta Space | Pointe-Claire | Computer Accessories & Supplies |
| Adhesifs Nacan | Boucherville | Adhesives & Glues |
| ADI Global Distribution | Lachine | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| ADM Canada | Lachine | Tout Entreprises et services |
| ADP Dealer Services | Boucherville | Information Technologies (IT) |
| Advanceit Financial Corp | Montréal | Computer Networking |
| Advanceit Financial Corp | Westmount | Computer Networking |
| Aemarket | Montréal | Computer Repair & Cleaning |
| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| Agence de placement Synergie | Boucherville | Tout Entreprises et services |
| Agence DoubleXpresso | Boucherville | Tout Entreprises et services |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| Agence Markel | Longueuil | Computer Networking |
Publicité (Desktop) Publicité (Mobile) |
| Agences Roger Boutin Inc | Boucherville | Business Brokers |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| Air Data Inc | Mont-Royal | Aerospace, Aircraft Parts, Engines & Avionics, Tout Entreprises et services |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
| Air Sem Climatisation - Chauffage - Thermopompe | Boucherville | Air Purifiers |
| Air-Sodem Inc | Boucherville | Air Conditioning Contractors |
| Aj Tremblay | Boucherville | aj |
| Akilon Technologies Inc | Longueuil | Computer Networking |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| Albatrust - Colocation Data Center | Montréal | Information Technologies (IT) |
