| 1230 Électroniques | Lachine | Computer Repair & Cleaning |
| 123inkcartridges.ca | Lachine | Camera & Photo Equipment Stores |
| 911 Électrique | Laval | Electricians |
| 9132-1000 Québec Inc | Lachine | Business & Trade Organizations |
| 9334-4349 Quebec Inc | Lachine | Pizza & Pizzerias |
| A Asselin & Fils Inc | Lachine | Plumbing |
| A Couture | Lasalle | Couture, COUTURE |
| A Couture | Lasalle | Couture, COUTURE |
| A La Boutique Du Lit Electrique Internationale | Montréal | Furniture Stores |
| A M A Electrique Inc | Montréal | Electricians |
Publicité (Desktop) Publicité (Mobile) |
| A N J Electrique | Montréal | Electricians |
| A Pex Discount Inc | Lachine | Bedding & Linens |
| A Tremblay Électrique Inc | Ménard | Electricians |
| AAA Electrique/Electric Inc | Montréal | Electricians |
| Aai Encanteurs Assoc Intl | Lachine | Auctions |
| Abra Electronics Corp. | Montréal | 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 |
Publicité (Desktop) Publicité (Mobile) |
| Acier Lachine Inc | Lachine | Aluminum |
| Actron Electrique 2000 Inc | Lasalle | Electricians |
| Adco Electrique Inc | P A T | Electricians |
| ADI Electrique - Électricien Commercial et Industriel Saint-Laurent | Montréal | Electricians |
| ADI Global Distribution | Lachine | Tout Entreprises et services |
| ADI Électrique - Électricien Commercial Montréal | Montréal | Electricians |
| ADM Canada | Lachine | Tout Entreprises et services |
| ADS Électrique Inc | Montréal | Electricians |
| ADT Déménagement et Entreposage | Lasalle | Tout Entreprises et services |
| Adven | Lasalle | Airline Ticket Agencies |
Publicité (Desktop) Publicité (Mobile) |
| AF Electrique | Montréal | Electricians |
| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| Agence de Recouvrement Lasalle Inc | Montréal | Collection Agencies |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| Agi Électrique 9377-0295 Québec Inc | Lasalle | Electricians |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| AIR Electrique | Montréal | Electricians |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
| Airtech Armstrong | Lasalle | Air Purifiers |
| AJM Unifer Soudure | Lasalle | Balconies |
Publicité (Desktop) Publicité (Mobile) |
| Akom Electrique | Montréal | Electricians |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| Alex Breton Electrique Inc | Montréal | Electricians |
| Aliments Morehouse Canada Inc | Lachine | Agri-food |
| Aliments T & N (Les) | Lachine | Agri-food |
| Allard & Ricard Inc | Lasalle | Plumbing |
| Allard Technologies Inc. | Lasalle | Tout Entreprises et services |
| Allen Électrique Inc | Saint-Sauveur | Electricians |
| Allion Elementary School | Lasalle | Tout Enseignement et savoir |
| Allstream | Lachine | Information Technologies (IT), Tout Entreprises et services, Tout Informatique et internet |
