| 3D Aluminum Inc. | Brossard | Aluminum |
| 77 Design | Montréal | Aluminum |
| 9032-2253 Québec Inc | Pointe-Aux-Trembles | Aluminum |
| A & D Prevost Inc | Richelieu | Aluminum Products |
| ABF Systèmes Inc. | Boucherville | Tout Entreprises et services |
| Accès Ingrédients | Boucherville | Agri-food |
| Acier Century Inc | Brossard | Aluminum |
| Acier Inoxydable Fafard Inc. | Boucherville | Tout Entreprises et services |
| Acier Lachine Inc | Lachine | Aluminum |
| Acier Leroux | Boucherville | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Acier Leroux Inc | Boucherville | Aluminum |
| Acier Omega Ltée | Saint-Léonard | Aluminum |
| Acier Ouellette Inc | Salaberry-De-Valleyfield | Aluminum |
| Acier Picard | Varennes | Aluminum |
| Acier Wirth Steel | Westmount | Aluminum |
| Action.Grenier Autogroupe | Boucherville | Tout Commerces au détail |
| Ad Mats | Boucherville | Tout Commerces au détail |
| Adhesifs Nacan | Boucherville | Adhesives & Glues |
| ADP Dealer Services | Boucherville | Information Technologies (IT) |
| Agence de placement Synergie | Boucherville | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Agence DoubleXpresso | Boucherville | Tout Entreprises et services |
| 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 |
| Al-Ré Pierre Aluminium Enr | Brossard | Aluminum |
| Alcan Inc | Montréal | Aluminum, Aluminum Fabricators |
| Alclaurey Aluminium Inc | Brossard | Aluminum |
| Alcoa Canada | Montréal | Aluminum |
| Alcoa Canada Cie | Montréal | Aluminum, Aluminum Fabricators |
Publicité (Desktop) Publicité (Mobile) |
| Alerte 2000 Inc. | Boucherville | Tout Entreprises et services |
| Alger Aluminium (1989) Enr | Laval | Aluminum |
| 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 |
| Alumicor Limited | Montréal | Aluminum, Aluminum Products, Architects |
| Alumilex | Montréal | Aluminum |
| Alumina | Saint-Léonard | Aluminum |
Publicité (Desktop) Publicité (Mobile) |
| Aluminium Adm et Fils | Laval | Aluminum |
| Aluminium Alouette Inc | Longueuil | Aluminum |
| Aluminium André Gagnon | Brossard | Aluminum |
| Aluminium Austria Metall Quebec Inc | Montréal | Aluminum |
| Aluminium C Bouchard & Fils Inc | Terrebonne | Aluminum Products |
| Aluminium D Gravel Inc | Saint-Hubert | Aluminum |
| Aluminium Distinction | Anjou | Aluminum, Aluminum Fabricators |
| Aluminium Distinction | Montréal | Aluminum, Aluminum Fabricators |
| Aluminium DP | Longueuil | Aluminum Products |
| Aluminium E. Delaunais | Brossard | Aluminum |
