| 3D Aluminum Inc. | Brossard | Aluminum |
| 77 Design | Montréal | Aluminum |
| 9032-2253 Québec Inc | Pointe-Aux-Trembles | Aluminum |
| A & D Prevost Inc | Richelieu | Aluminum Products |
| Acier Century Inc | Brossard | Aluminum |
| Acier Lachine Inc | Lachine | Aluminum |
| Acier Leroux Inc | Boucherville | Aluminum |
| Acier Omega Ltée | Saint-Léonard | Aluminum |
| Acier Ouellette Inc | Salaberry-De-Valleyfield | Aluminum |
| Acier Picard | Varennes | Aluminum |
Publicité (Desktop) Publicité (Mobile) |
| Acier Wirth Steel | Westmount | Aluminum |
| 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 |
| Alger Aluminium (1989) Enr | Laval | Aluminum |
| Allied Aluminum Products Compagny Inc | Montréal | Aluminum Products |
| Alpha Scrap Metal | Montréal | Scrap metal – recycling |
| Alumicor Limited | Montréal | Aluminum, Aluminum Products, Architects |
Publicité (Desktop) Publicité (Mobile) |
| Alumilex | Montréal | Aluminum |
| Alumina | Saint-Léonard | Aluminum |
| 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 |
Publicité (Desktop) Publicité (Mobile) |
| Aluminium DP | Longueuil | Aluminum Products |
| Aluminium E. Delaunais | Brossard | Aluminum |
| Aluminium Elron Inc | Dollard Des Ormeaux | Aluminum Products |
| Aluminium Fenebel 1964 Inc | Montréal | Aluminum, Aluminum Products |
| Aluminium L Lauzon | Verdun | Aluminum |
| Aluminium Maurice Forest Inc | Montréal | Aluminum, Aluminum Products, Balconies |
| Aluminium Notre-Dame | Brossard | Aluminum Fabricators, Aluminum Products |
| Aluminium Notre-Dame | Brossard | Aluminum Fabricators |
| Aluminium Orlando | Montréal | Aluminum |
| Aluminium Pierre Enrg | Lemoyne | Aluminum Products |
Publicité (Desktop) Publicité (Mobile) |
| Aluminium Plus Inc | Varennes | Aluminum Products |
| Aluminium St-Hubert | Saint-Hubert | Aluminum |
| Aluminox Spec Inc | Saint-Hubert | Aluminum |
| Aluminum Patrice Leblanc | Anjou | Aluminum |
| Alumould & Tool Ltd | Montréal | Aluminum |
| American Iron & Metal Co. Inc. | Montréal | Tout Entreprises et services |
| Antirouille Krown Drummondville | Drummondville | Aluminum, Aluminum Products |
| Aquatica Digital | Montréal | Tout Entreprises et services |
| Arcan Aluminium | Laval | Aluminum Products, Tout Entreprises et services |
| Art-Tech | Brossard | Aluminum Products |
