| 1230 Électroniques | Lachine | Computer Repair & Cleaning |
| 123inkcartridges.ca | Lachine | Camera & Photo Equipment Stores |
| 30 Minute Hit | Laval | Fitness Gyms |
| 30 Minute Hit | Châteauguay | Fitness Gyms |
| 30 Minute Hit | Kirkland | Fitness Gyms |
| 3M Canada | Montréal | Tout Entreprises et services |
| 7571470 Canada Inc. (Opus Pharma) | Montréal | Life Sciences and Health Technologies (LSHT) |
| 9132-1000 Québec Inc | Lachine | Business & Trade Organizations |
| 9334-4349 Quebec Inc | Lachine | Pizza & Pizzerias |
| 9356-0175 Québec Inc | Mirabel | Architectural & Construction Specifications |
Publicité (Desktop) Publicité (Mobile) |
| A Asselin & Fils Inc | Lachine | Plumbing |
| A Couture | Montréal | Couture, COUTURE |
| A Couture | Brossard | Couture, COUTURE |
| A Couture | Lasalle | Couture, COUTURE |
| A Couture | Longueuil | Couture, COUTURE |
| A Couture | Lasalle | Couture, COUTURE |
| A Couture | Longueuil | Couture, COUTURE |
| A Couture | Longueuil | Couture, COUTURE |
| A Couture | Sainte-Catherine | Couture, COUTURE |
| A la carte Marketing | Île-Bizard | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| A Pex Discount Inc | Lachine | Bedding & Linens |
| A+ Products Canada Inc | Montréal | Buckles |
| A-Plus Systems Canada Ltd. | Kirkland | Tout Informatique et internet |
| A. Bruneau Canada | Montréal | Tout Entreprises et services |
| A.E. PETSCHE CANADA, INC. | Kirkland | Aerospace |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| Aai Encanteurs Assoc Intl | Lachine | Auctions |
| AB Renovation | Mirabel | Cement Finishing |
| Abacus Michel L'Italien | Montréal | Antique Dealers |
| Abb Canada | Montréal | Automation Systems & Equipment |
Publicité (Desktop) Publicité (Mobile) |
| Abbott Canada (Abbott Nutrition & Santé Animale) | Montréal | Life Sciences and Health Technologies (LSHT) |
| ABIPA Canada Inc. | Boisbriand | Tout Entreprises et services |
| ABIPA CANADA INC. | Laval | Aerospace |
| Abloy Canada Inc. | Montréal | Tout Entreprises et services |
| Abu-Lasia/ Matamin | Lachine | Baked Goods Wholesalers |
| Academie De Coiffure Miss Afrika | Brossard | Black Hair Salons |
| Académie Baseball Canada | Montréal | Baseball Clubs & Lessons |
| Académie Martial | Saint-Michel | Tout Enseignement et savoir |
| Académie Michèle Provost Inc. | Centre-Ville | Tout Enseignement et savoir |
| Académie Milala | Saint-Léonard | Health and Beauty |
Publicité (Desktop) Publicité (Mobile) |
| Acass Canada Inc | Montréal | Aircraft & Private Jet Charter |
| ACASS Canada Inc | Montréal | Aviation Consultants & Services |
| Access Canada | Petite-Bourgogne Et Griffintown | Tout Enseignement et savoir |
| Access Graphics Of Canada Att | Saint-Léonard | Computer Graphics Design & Animation |
| Accessoires Rose Blanche | Lachine | Bakery Equipment, Bakery Supplies |
| Accord Expositions | Lachine | Tout Entreprises et services |
| Accès Canada G&G | Montréal | Tout Entreprises et services |
| Ace Tuning | Mirabel | Car Customizing & Accessories |
| Acensi Canada | Montréal | Information Technologies (IT) |
| Acier Lachine Inc | Lachine | Aluminum |
