| 1230 Électroniques | Lachine | Computer Repair & Cleaning |
| 123inkcartridges.ca | Lachine | Camera & Photo Equipment Stores |
| 9132-1000 Québec Inc | Lachine | Business & Trade Organizations |
| 9334-4349 Quebec Inc | Lachine | Pizza & Pizzerias |
| 9356-0175 Québec Inc | Mirabel | Architectural & Construction Specifications |
| A Asselin & Fils Inc | Lachine | Plumbing |
| A Couture | Lasalle | Couture, COUTURE |
| A Couture | Lasalle | Couture, COUTURE |
| A Pex Discount Inc | Lachine | Bedding & Linens |
| Aai Encanteurs Assoc Intl | Lachine | Auctions |
Publicité (Desktop) Publicité (Mobile) |
| ABO Construction | Dollard Des Ormeaux | Home Improvement |
| Abris Adam | Saint-Hubert | Tout Commerces au détail, Tout Entreprises et services |
| Abu-Lasia/ Matamin | Lachine | Baked Goods Wholesalers |
| AC Lasalle | Sainte-Catherine | Cabinet Makers |
| Accessoires Rose Blanche | Lachine | Bakery Equipment, Bakery Supplies |
| Accord Expositions | Lachine | Tout Entreprises et services |
| ACF Construction | Montréal | Home Improvement |
| Achatplus Inc. | Anjou | Tout Entreprises et services |
| Acier Lachine Inc | Lachine | Aluminum |
| Acrylique Excellence | Montréal | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Actron Electrique 2000 Inc | Lasalle | Electricians |
| Adex Systems Inc. | Riviere-Des-Prairies | Tout Entreprises et services |
| ADI Global Distribution | Lachine | Tout Entreprises et services |
| ADM Canada | Lachine | Tout Entreprises et services |
| Adonis Construction Et Démolition | Montréal | Building Contractors |
| ADT Déménagement et Entreposage | Lasalle | Tout Entreprises et services |
| Adven | Lasalle | Airline Ticket Agencies |
| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| Agence de Recouvrement Lasalle Inc | Montréal | Collection Agencies |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
Publicité (Desktop) Publicité (Mobile) |
| Agence Universitaire de la Francoph... | Côte-Des-Neiges | Tout Enseignement et savoir |
| Agi Électrique 9377-0295 Québec Inc | Lasalle | Electricians |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
| Airtech Armstrong | Lasalle | Air Purifiers |
| AJA Construction Inc | Saint-Hubert | Bathroom Renovations |
| AJM Unifer Soudure | Lasalle | Balconies |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| Alba Construction | Montréal | Home Improvement |
| AlbCad Design | Laval | Architectural & Construction Specifications |
Publicité (Desktop) Publicité (Mobile) |
| Aldo Construction | Montréal | Tout Entreprises et services |
| Aliments Morehouse Canada Inc | Lachine | Agri-food |
| Aliments T & N (Les) | Lachine | Agri-food |
| Allan & Son Construction Inc | Montréal | Roofing |
| Allard & Ricard Inc | Lasalle | Plumbing |
| Allard Technologies Inc. | Lasalle | Tout Entreprises et services |
| Alliance Acoustique | Brossard | Architectural & Construction Specifications |
| Allied Technical Sales Inc | Laval | Architectural & Construction Specifications |
| Allion Elementary School | Lasalle | Tout Enseignement et savoir |
| Allstream | Lachine | Information Technologies (IT), Tout Entreprises et services, Tout Informatique et internet |
