| 2G Solutions | Montréal | Tout Informatique et internet |
| 99andbeyond (anciennement Solutions CognitiveChem inc.) | Dépatie | Life Sciences and Health Technologies (LSHT) |
| A + Solutions Home Healthcare Inc | Montréal | Care Homes |
| A V Solutions | Montréal | Audiovisual Equipment & Supplies, Audiovisual Equipment & Supplies Rental |
| ABF Systèmes Inc. | Boucherville | Tout Entreprises et services |
| Abilis Solutions | Centre-Ville | Tout Informatique et internet |
| Abilis Solutions | Montréal | Information Technologies (IT) |
| Abrasive Technology N A Inc | Dorval | Abrasives, Tout Entreprises et services |
| Acadia | Montréal | Computer & Technology Assistance Programs |
| Acadia | Montréal | Computer & Technology Assistance Programs |
Publicité (Desktop) Publicité (Mobile) |
| Accenture | Montréal | Information Technologies (IT) |
| ACCEO Solutions | Montréal | Information Technologies (IT), Tout Informatique et internet |
| ACCEO Solutions | Montréal | Computer Consultants |
| ACCEO Solutions Inc. | Montréal | Tout Informatique et internet |
| Accounting and Tax Solutions | Montréal | Bookkeeping Software & Accounting Systems |
| Accès Ingrédients | Boucherville | Agri-food |
| Acier Inoxydable Fafard Inc. | Boucherville | Tout Entreprises et services |
| Acier Leroux | Boucherville | Tout Entreprises et services |
| Acier Leroux Inc | Boucherville | Aluminum |
| Action.Grenier Autogroupe | Boucherville | Tout Commerces au détail |
Publicité (Desktop) Publicité (Mobile) |
| Actweb Solutions | Petite-Patrie | Tout Commerces au détail, Tout Entreprises et services |
| Ad Mats | Boucherville | Tout Commerces au détail |
| Adhesifs Nacan | Boucherville | Adhesives & Glues |
| ADP Canada R-L | Montréal | Information Technologies (IT) |
| ADP Dealer Services | Boucherville | Information Technologies (IT) |
| Advanceit Financial Corp | Montréal | Computer Networking |
| Advanceit Financial Corp | Westmount | Computer Networking |
| Affichage Solutions | Vaudreuil-Dorion | Tout Entreprises et services |
| Agence de placement Synergie | Boucherville | Tout Entreprises et services |
| Agence DoubleXpresso | Boucherville | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Agences Roger Boutin Inc | Boucherville | Business Brokers |
| AIR RESEARCH TECHNOLOGY INC. | Montréal | Aerospace |
| Air Sem Climatisation - Chauffage - Thermopompe | Boucherville | Air Purifiers |
| Air-Sodem Inc | Boucherville | Air Conditioning Contractors |
| Aj Tremblay | Boucherville | aj |
| ALCiE Integrated Business Solutions | Montréal | Tout Informatique et internet |
| Aldea Solutions Inc | Montréal | Information Technologies (IT) |
| Aldeavision Inc. | Montréal | Tout Entreprises et services |
| Alerte 2000 Inc. | Boucherville | Tout Entreprises et services |
| Align Aerospace | Boucherville | Aviation Consultants & Services |
Publicité (Desktop) Publicité (Mobile) |
| Aliments Johnvince | Boucherville | Agri-food |
| Aliments Newly Weds | Boucherville | Agri-food |
| Alpharegul | Boucherville | Tout Entreprises et services |
| Alstom Transport Information Solutions | Montréal | Information Technologies (IT) |
| Ameublement Simard Inc | Boucherville | Furniture Stores |
| AMRIKART R.C. INC. | Boucherville | Aerospace |
| Anixter Canada | Boucherville | Information Technologies (IT) |
| Anjuna Airline Solutions-Canada | Montréal | Airlines |
| Annie Perron | Boucherville | Balconies |
| APL Construction | Boucherville | Building Contractors |
