| 2MORO | Montréal | Aerospace |
| 6Temik | Montréal | Aircraft Maintenance, Service & Storage |
| A.E. PETSCHE CANADA, INC. | Kirkland | Aerospace |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| Abattage élagage Saint-Laurent | Blainville | Tout Entreprises et services |
| ABIPA CANADA INC. | Laval | Aerospace |
| AD OPT | Montréal | Aerospace |
| ADACEL INC. | Brossard | Aerospace |
| ADVANTECH INC. | Dorval | Aerospace |
| AERONAV NAVIGATION INTERNATIONAL | Pointe-Claire | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| 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 Ventes Charles Martinole | Blainville | Shopping Mall |
| Air Data Inc | Mont-Royal | Aerospace, Aircraft Parts, Engines & Avionics, Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Air Mecanic | Saint-Ambroise-De-Kildare | Aircraft Maintenance, Service & Storage |
| AIR RESEARCH TECHNOLOGY INC. | Montréal | Aerospace |
| AIRCRAFT EQUIPMENT & SUPPORT SERVICES | Dorval | Aerospace |
| AIRNAV ELECTRONIC | Dorval | Aerospace |
| Alexis Leduc Paysagiste | Blainville | Landscaping |
| Align Aerospace | Boucherville | Aviation Consultants & Services |
| Allbudget Moving & Storage-Canada | Montréal | Moving Companies |
| Aloha Institut De Beauté | Blainville | Beauty & Fitness, Hairdressers & Beauty Salons |
| Alphacable | Blainville | Tout Informatique et internet |
| Alphacasting Inc. | Montréal | Aerospace, Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| AMPHENOL AIR LB NORTH AMERICA INC. | Saint-Hubert | Aerospace |
| AMRIKART R.C. INC. | Boucherville | Aerospace |
| AP&C Revêtements et Poudres Avancées | Montréal | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| AP&C Revêtements et Poudres Avancées | Montréal | Aerospace |
| Apex Aérospatial Inc | Montréal | Aircraft Maintenance, Service & Storage |
| AQUACOUPE TECHNOLOGY INC. | Mirabel | Aerospace |
| ARTEC TECHNOLOGIES | Montréal | Aerospace |
| ASSYSTEM PRODUCT ENGINEERING CANADA | Montréal | Aerospace |
| ATD DESIGN SERVICES (4071468 CANADA INC.) | Sainte-Geneviève | Aerospace |
| Atlas Entrepôts Frigorifiques | Montréal | Cold-Storage Warehouses |
| Atmosphair Coiffure | Blainville | Beauty & Fitness, Hairdressers & Beauty Salons |
| Autologicpro Garage Porsche - BMW - Mercedes - Changement de pneu Blainville | Blainville | HVAC |
| AVERNA TECHNOLOGIES INC. | Montréal | Aerospace |
