| 1230 Électroniques | Lachine | Computer Repair & Cleaning |
| 123inkcartridges.ca | Lachine | Camera & Photo Equipment Stores |
| 2G Solutions | Montréal | Tout Informatique et internet |
| 3D Aluminum Inc. | Brossard | Aluminum |
| 77 Design | Montréal | Aluminum |
| 9032-2253 Québec Inc | Pointe-Aux-Trembles | Aluminum |
| 9132-1000 Québec Inc | Lachine | Business & Trade Organizations |
| 9334-4349 Quebec Inc | Lachine | Pizza & Pizzerias |
| 99andbeyond (anciennement Solutions CognitiveChem inc.) | Dépatie | Life Sciences and Health Technologies (LSHT) |
| A & D Prevost Inc | Richelieu | Aluminum Products |
Publicité (Desktop) Publicité (Mobile) |
| A + Solutions Home Healthcare Inc | Montréal | Care Homes |
| A Asselin & Fils Inc | Lachine | Plumbing |
| A Pex Discount Inc | Lachine | Bedding & Linens |
| A V Solutions | Montréal | Audiovisual Equipment & Supplies, Audiovisual Equipment & Supplies Rental |
| Aai Encanteurs Assoc Intl | Lachine | Auctions |
| ABF Systèmes Inc. | Boucherville | Tout Entreprises et services |
| Abilis Solutions | Centre-Ville | Tout Informatique et internet |
| Abilis Solutions | Montréal | Information Technologies (IT) |
| Abu-Lasia/ Matamin | Lachine | Baked Goods Wholesalers |
| ACCEO Solutions | Montréal | Information Technologies (IT), Tout Informatique et internet |
Publicité (Desktop) Publicité (Mobile) |
| ACCEO Solutions | Montréal | Computer Consultants |
| ACCEO Solutions Inc. | Montréal | Tout Informatique et internet |
| Accessoires Rose Blanche | Lachine | Bakery Equipment, Bakery Supplies |
| Accord Expositions | Lachine | Tout Entreprises et services |
| Accounting and Tax Solutions | Montréal | Bookkeeping Software & Accounting Systems |
| Acier Century Inc | Brossard | Aluminum |
| Acier Lachine Inc | Lachine | Aluminum |
| Acier Leroux Inc | Boucherville | Aluminum |
| Acier Omega Ltée | Saint-Léonard | Aluminum |
| Acier Ouellette Inc | Salaberry-De-Valleyfield | Aluminum |
Publicité (Desktop) Publicité (Mobile) |
| Acier Picard | Varennes | Aluminum |
| Acier Wirth Steel | Westmount | Aluminum |
| Actweb Solutions | Petite-Patrie | Tout Commerces au détail, Tout Entreprises et services |
| ADI Global Distribution | Lachine | Tout Entreprises et services |
| ADM Canada | Lachine | Tout Entreprises et services |
| Affichage Solutions | Vaudreuil-Dorion | Tout Entreprises et services |
| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
Publicité (Desktop) Publicité (Mobile) |
| Air solution confort | Montréal | Air Conditioning Contractors |
| Al-Ré Pierre Aluminium Enr | Brossard | Aluminum |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| Alcan Inc | Montréal | Aluminum, Aluminum Fabricators |
| ALCiE Integrated Business Solutions | Montréal | Tout Informatique et internet |
| Alclaurey Aluminium Inc | Brossard | Aluminum |
| Alcoa Canada | Montréal | Aluminum |
| Alcoa Canada Cie | Montréal | Aluminum, Aluminum Fabricators |
| Aldea Solutions Inc | Montréal | Information Technologies (IT) |
| Aldeavision Inc. | Montréal | Tout Entreprises et services |
