| 123 Plomberie & Chauffage Limite | Montréal | Plumbing |
| 2Mc Plumbing Montréal Ltd. | Montréal | Plumbing |
| 2MORO | Montréal | Aerospace |
| 434-TUNESHOP | Laval | Fitness Gyms |
| 9258 3228 Québec Inc | Montréal | Plumbing |
| A & L Plomberie Inc | Laval | Plumbing |
| A Asselin & Fils Inc | Lachine | Plumbing |
| A C Forest Inc | Montréal | Plumbing |
| A C L Inc | Montréal | Plumbing |
| A Merulla Plomberie Inc | Montréal | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| A Roy. Dementellement | Anjou | Plumbing |
| A.E. PETSCHE CANADA, INC. | Kirkland | Aerospace |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| ABC Drain | Montréal | Plumbing |
| ABC Inc | Montréal | Plumbing |
| Abe Cohen Plumbing & Heating Inc | Montréal | Plumbing |
| Abe Cohen Plumbing Heating Inc | Montréal | Plumbing |
| Abel Excavation Enr | Saint-Léonard | Plumbing |
| ABIPA CANADA INC. | Laval | Aerospace |
| Accessoires de Plomberie Ahuntsic Inc | Montréal | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| Ace Tuning | Mirabel | Car Customizing & Accessories |
| ACGM Plomberie & Chauffage | Montréal | Plumbing |
| AD OPT | Montréal | Aerospace |
| ADACEL INC. | Brossard | Aerospace |
| ADT Plomberie | Montréal | Plumbing |
| Advance Tutors | Notre-Dame-De-Grâce | Tout Enseignement et savoir |
| 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 |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Afr Inspection Prévention | Montréal | Plumbing |
| Ai-Tuyet Luong-Si | Outremont | si |
| 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-Therm Inc | Westmount | Plumbing |
| AIRCRAFT EQUIPMENT & SUPPORT SERVICES | Dorval | Aerospace |
| AIRNAV ELECTRONIC | Dorval | Aerospace |
| Align Aerospace | Boucherville | Aviation Consultants & Services |
| Allard & Ricard Inc | Lasalle | Plumbing |
| Alphacasting Inc. | Montréal | Aerospace, Tout Entreprises et services |
| ALSIM | Montréal | Aerospace |
| ALTA PRÉCISION INC. | Anjou | Aerospace |
| ALTITUDE AEROSPACE | Montréal | Aerospace |
| Altitude Aerospace Inc | Montréal | Aircraft Maintenance, Service & Storage |
