| 1230 Électroniques | Lachine | Computer Repair & Cleaning |
| 123inkcartridges.ca | Lachine | Camera & Photo Equipment Stores |
| 211 Grand Montréal | Montréal | Tout Informations générales |
| 2MORO | Montréal | Aerospace |
| 9132-1000 Québec Inc | Lachine | Business & Trade Organizations |
| 9265-6792 Québec Inc | Saint-Léonard | Baked Goods Wholesalers |
| 9265-6792 Québec Inc | Montréal | Baked Goods Wholesalers |
| 9334-4349 Quebec Inc | Lachine | Pizza & Pizzerias |
| A Asselin & Fils Inc | Lachine | Plumbing |
| A La Petite Campagne Traiteur Inc | Laval | Buffets |
Publicité (Desktop) Publicité (Mobile) |
| A Pex Discount Inc | Lachine | Bedding & Linens |
| A.E. PETSCHE CANADA, INC. | Kirkland | Aerospace |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| Aai Encanteurs Assoc Intl | Lachine | Auctions |
| ABIPA CANADA INC. | Laval | Aerospace |
| Abu-Lasia/ Matamin | Lachine | Baked Goods Wholesalers |
| Accessoires Rose Blanche | Lachine | Bakery Equipment, Bakery Supplies |
| Accord Expositions | Lachine | Tout Entreprises et services |
| Accès Golf | Quartier Latin Et Centre-Sud | Tout Arts et divertissement |
| Acef du Nord de Montréal | Villeray | Tout Communautés et société |
Publicité (Desktop) Publicité (Mobile) |
| Acier Lachine Inc | Lachine | Aluminum |
| Action 500 | Dorval | Tout Arts et divertissement |
| Acupuncteur Qi Gong Montréal | Montréal | Acupuncturists |
| Acupuncture Chinoise & Japonaise Goli Homaei Haddad | Montréal | Alternative Health |
| Acupuncture Dannie Goulet | Montréal | Acupuncturists, Alternative Health |
| AD OPT | Montréal | Aerospace |
| ADACEL INC. | Brossard | Aerospace |
| Adam Leith Gollner | Montréal | Tout Arts et divertissement |
| Adams Viennese Bakery | Montréal | Baked Goods Wholesalers |
| ADI Global Distribution | Lachine | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| ADM Canada | Lachine | Tout Entreprises et services |
| ADVANTECH INC. | Dorval | Aerospace |
| Aegera Therapeutics, part of Pharmascience Inc. | Île-des-Soeurs | Life Sciences and Health Technologies (LSHT) |
| AERONAV NAVIGATION INTERNATIONAL | Pointe-Claire | Aerospace |
| Aeroneuf Instruments Ltée | Dorval | Aerospace, Aircraft Parts, Engines & Avionics |
| Aerospace Concepts of Canada Inc | Montréal | Aviation Consultants & Services |
| 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 |
Publicité (Desktop) Publicité (Mobile) |
| AEROSPHERE | Pointe-Claire | Aerospace |
| Aerosystems International Inc. | Montréal | Aerospace, Tout Entreprises et services |
| Affaires Goûter | Montréal | Caterers |
| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| Agence Goodwin | Montréal | Tout Entreprises et services |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| Agent Gourmand | Montréal | Caterers |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| Air Data Inc | Mont-Royal | Aerospace, Aircraft Parts, Engines & Avionics, Tout Entreprises et services |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
