| 2MORO | Montréal | Aerospace |
| 3Mind Games | Québec | Information Technologies (IT) |
| 5N Plus | Montréal | Clean Technologies |
| 6cent1 | Montréal | Startup Ecosystem |
| 99andbeyond (anciennement Solutions CognitiveChem inc.) | Dépatie | Life Sciences and Health Technologies (LSHT) |
| A&C American Chemicals | Montréal | Life Sciences and Health Technologies (LSHT) |
| A. Lassonde Inc | Montréal | Agri-food |
| AA Studios | Montréal | Information Technologies (IT) |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| AAF International | Montréal | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| Abilis Solutions | Montréal | Information Technologies (IT) |
| ACCEO Solutions | Montréal | Information Technologies (IT), Tout Informatique et internet |
| Accès Ingrédients | Boucherville | Agri-food |
| Accélérateur 360 | Montréal | Startup Ecosystem |
| Acensi Canada | Montréal | Information Technologies (IT) |
| Acquisition Podform 3d inc. | Montréal | Life Sciences and Health Technologies (LSHT) |
| ADI | Montréal | Information Technologies (IT) |
| Adiantum Production (anciennement Laboratoires Capsulab Inc.) | Dollard | Life Sciences and Health Technologies (LSHT) |
| ADM Agri-Industries Company | Montréal | Agri-food |
| Advanomics Corporation | Montréal | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| Advanomics Corporation Inc. | Étage | Life Sciences and Health Technologies (LSHT) |
| Aerial Technologies Inc. | Montréal | Life Sciences and Health Technologies (LSHT) |
| AERONAV NAVIGATION INTERNATIONAL | Pointe-Claire | Aerospace |
| Aerosystems International Inc. | Montréal | Aerospace, Tout Entreprises et services |
| Affinité Instruments | Guy | Life Sciences and Health Technologies (LSHT) |
| Agence digitale Interaction Healthcare inc. | Saint-Jacques | Life Sciences and Health Technologies (LSHT) |
| Agence universitaire de la Francophonie (AUF) | Montréal | International Organizations |
| Agile MV | Montréal | Life Sciences and Health Technologies (LSHT) |
| Agylis | Du Saint-Sacrement | Information Technologies (IT) |
| Aifred Health Inc. | Guy | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| AIR RESEARCH TECHNOLOGY INC. | Montréal | Aerospace |
| AIR ÉNERGIE TCI INC | Montréal | Life Sciences and Health Technologies (LSHT) |
| Airbnb | Montréal | Information Technologies (IT) |
| Airex Énergie | Laval | Life Sciences and Health Technologies (LSHT) |
| AKKA Groupe Amérique du Nord | Montréal | Life Sciences and Health Technologies (LSHT) |
| Algolux | Montréal | Information Technologies (IT) |
| Alimentation Cinq Sens Inc. | Montréal | Agri-food |
| Aliments Cargill (Les) | Chambly | Agri-food |
| Aliments Conagra Canada Inc. | Boisbriand | Agri-food |
| Aliments Da Vinci Ltée (Les) | Montréal | Agri-food |
Publicité (Desktop) Publicité (Mobile) |
| Aliments Fontaine Santé Inc. | Montréal | Agri-food |
| Aliments Johnvince | Boucherville | Agri-food |
| Aliments Krispy Kernels Inc. | Longueuil | Agri-food |
| Aliments Le Chatel | Laval | Agri-food |
| Aliments McCain | Montréal | Agri-food |
| Aliments Mello Inc. | Montréal | Agri-food |
| Aliments Newly Weds | Boucherville | Agri-food |
| Aliments Parmalat Inc. (Les) | Momtréal | Agri-food |
| Aliments Roma Ltée (Les) | Montréal | Agri-food |
| Aliments Ronzoni du Canada (Les) | Montréal | Agri-food |
