| 2MORO | Montréal | Aerospace |
| A.E. PETSCHE CANADA, INC. | Kirkland | Aerospace |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| ABF Systèmes Inc. | Boucherville | Tout Entreprises et services |
| ABIPA CANADA INC. | Laval | Aerospace |
| 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) |
| Ad Mats | Boucherville | Tout Commerces au détail |
| AD OPT | Montréal | Aerospace |
| ADACEL INC. | Brossard | Aerospace |
| Adhesifs Nacan | Boucherville | Adhesives & Glues |
| ADP Dealer Services | Boucherville | Information Technologies (IT) |
| ADVANTECH INC. | Dorval | Aerospace |
| AERONAV NAVIGATION INTERNATIONAL | Pointe-Claire | Aerospace |
| Aeroneuf Instruments Ltée | Dorval | Aerospace, Aircraft Parts, Engines & Avionics |
| Aerospace Concepts of Canada Inc | Montréal | Aviation Consultants & Services |
| Aerospace Development Corp | Montréal | Aircraft & Private Jet Charter |
Publicité (Desktop) Publicité (Mobile) |
| Aerospace Group | Montréal | Aircraft Dealers |
| AEROSPACE WELDING | Blainville | Aerospace |
| Aerospace Welding Inc | Blainville | Tout Entreprises et services, Aviation Consultants & Services |
| AEROSPHERE | Pointe-Claire | Aerospace |
| Aerosystems International Inc. | Montréal | Aerospace, Tout Entreprises et services |
| Agence de placement Synergie | Boucherville | Tout Entreprises et services |
| Agence DoubleXpresso | Boucherville | Tout Entreprises et services |
| Agences Roger Boutin Inc | Boucherville | Business Brokers |
| Air Data Inc | Mont-Royal | Aerospace, Aircraft Parts, Engines & Avionics, Tout Entreprises et services |
| AIR RESEARCH TECHNOLOGY INC. | Montréal | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| Air Sem Climatisation - Chauffage - Thermopompe | Boucherville | Air Purifiers |
| Air-Sodem Inc | Boucherville | Air Conditioning Contractors |
| AIRCRAFT EQUIPMENT & SUPPORT SERVICES | Dorval | Aerospace |
| AIRNAV ELECTRONIC | Dorval | Aerospace |
| Aj Tremblay | Boucherville | aj |
| Alerte 2000 Inc. | Boucherville | Tout Entreprises et services |
| Align Aerospace | Boucherville | Aviation Consultants & Services |
| Aliments Johnvince | Boucherville | Agri-food |
| Aliments Newly Weds | Boucherville | Agri-food |
| Alphacasting Inc. | Montréal | Aerospace, Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Alpharegul | Boucherville | Tout Entreprises et services |
| ALSIM | Montréal | Aerospace |
| ALTA PRÉCISION INC. | Anjou | Aerospace |
| ALTITUDE AEROSPACE | Montréal | Aerospace |
| Altitude Aerospace Inc | Montréal | Aircraft Maintenance, Service & Storage |
| Altitude Aerospace Inc | Montréal | Aircraft Maintenance, Service & Storage |
| ALUBOX (DIVISION DE JE LORTIE COMPAGNIE LTÉE) | Montréal | Aerospace |
| AMESYS | Montréal | Aerospace |
| Ameublement Simard Inc | Boucherville | Furniture Stores |
| AMPHENOL AIR LB NORTH AMERICA INC. | Saint-Hubert | Aerospace |
