| 7571470 Canada Inc. (Opus Pharma) | Montréal | Life Sciences and Health Technologies (LSHT) |
| A & D Prevost Inc | Richelieu | Aluminum Products |
| A+ Products Canada Inc | Montréal | Buckles |
| Abbott Canada (Abbott Nutrition & Santé Animale) | Montréal | Life Sciences and Health Technologies (LSHT) |
| ABF Systèmes Inc. | Boucherville | Tout Entreprises et services |
| Acasti Pharma Inc. | Laval | Life Sciences and Health Technologies (LSHT) |
| 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 |
Publicité (Desktop) Publicité (Mobile) |
| Action.Grenier Autogroupe | Boucherville | Tout Commerces au détail |
| Actumus | Cherrier | Life Sciences and Health Technologies (LSHT) |
| Ad Mats | Boucherville | Tout Commerces au détail |
| Adhesifs Nacan | Boucherville | Adhesives & Glues |
| Adiantum Production (anciennement Laboratoires Capsulab Inc.) | Dollard | Life Sciences and Health Technologies (LSHT) |
| ADP Dealer Services | Boucherville | Information Technologies (IT) |
| Afmerica Technologie Inc | Châteauguay | Carbon Products |
| Agence de placement Synergie | Boucherville | Tout Entreprises et services |
| Agence DoubleXpresso | Boucherville | Tout Entreprises et services |
| Agence Fitz | Montréal | Baby Products & Accessories |
Publicité (Desktop) Publicité (Mobile) |
| Agences Roger Boutin Inc | Boucherville | Business Brokers |
| Air Sem Climatisation - Chauffage - Thermopompe | Boucherville | Air Purifiers |
| Air-Sodem Inc | Boucherville | Air Conditioning Contractors |
| 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 |
| Allied Aluminum Products Compagny Inc | Montréal | Aluminum Products |
| Alpharegul | Boucherville | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Altamed Pharma | Montréal | Life Sciences and Health Technologies (LSHT) |
| Alumicor Limited | Montréal | Aluminum, Aluminum Products, Architects |
| Aluminium C Bouchard & Fils Inc | Terrebonne | Aluminum Products |
| Aluminium DP | Longueuil | Aluminum Products |
| Aluminium Elron Inc | Dollard Des Ormeaux | Aluminum Products |
| Aluminium Fenebel 1964 Inc | Montréal | Aluminum, Aluminum Products |
| Aluminium Maurice Forest Inc | Montréal | Aluminum, Aluminum Products, Balconies |
| Aluminium Notre-Dame | Brossard | Aluminum Fabricators, Aluminum Products |
| Aluminium Pierre Enrg | Lemoyne | Aluminum Products |
| Aluminium Plus Inc | Varennes | Aluminum Products |
Publicité (Desktop) Publicité (Mobile) |
| Ameublement Simard Inc | Boucherville | Furniture Stores |
| Amplex Chemical Products Ltd | Pointe-Claire | Chemicals |
| AMRIKART R.C. INC. | Boucherville | Aerospace |
| Ang Heating Products Inc | Montréal | Air Conditioning Contractors |
| Anixter Canada | Boucherville | Information Technologies (IT) |
| Annie Perron | Boucherville | Balconies |
| Antirouille Krown Drummondville | Drummondville | Aluminum, Aluminum Products |
| APL Construction | Boucherville | Building Contractors |
| Aquatech BM | Boucherville | Business & Trade Organizations |
| Arcan Aluminium | Laval | Aluminum Products, Tout Entreprises et services |
