| 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 |
| A Asselin & Fils Inc | Lachine | Plumbing |
| A Aun Pied Du Bonheur | Montréal | Aromatherapy |
| A La Clinique De Denturologie Et D'Implantologie Malo Caron Et Associés | Montréal | Dentists |
| A La Clinique Dentaire Dr Joseph Henry | Montréal | Automobiles, Dentists, Not Profit |
| A La Clinique Dentaire St-Denis | Montréal | Dentists, Service D'urgence Dentaire |
| A La Clinique Medicale Mont Royal | Montréal | Medical Clinics |
Publicité (Desktop) Publicité (Mobile) |
| A Pex Discount Inc | Lachine | Bedding & Linens |
| Aai Encanteurs Assoc Intl | Lachine | Auctions |
| ABC Distribution | Montréal | Tout Entreprises et services |
| Abu-Lasia/ Matamin | Lachine | Baked Goods Wholesalers |
| AC Clinique | Montréal | Acupuncturists |
| Ac Clinique Chinoise Yun Zhang | Montréal | Alternative Health |
| AC Clinique d'Acupuncture Chinoise Yun Zhang | Montréal | Acupuncturists, Alternative Health |
| Accessoires Rose Blanche | Lachine | Bakery Equipment, Bakery Supplies |
| Accord Expositions | Lachine | Tout Entreprises et services |
| Accueil Bonneau | Montréal | Tout Communautés et société |
Publicité (Desktop) Publicité (Mobile) |
| Acier Lachine Inc | Lachine | Aluminum |
| Action Sport Physio | Westmount | Tout Entreprises et services, Physiotherapy |
| Acupuncture Clinique Orientale | Montréal | Acupuncturists, Alternative Health |
| Acupuncture à Repentigny | Repentigny | Tout Entreprises et services |
| ADI Global Distribution | Lachine | Tout Entreprises et services |
| ADM Canada | Lachine | Tout Entreprises et services |
| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| AG Distribution | Montréal | Auto Body Shop |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| Agences De Distribution Bijanard Ltée | Montréal | Building Material Manufacturers & Wholesalers |
Publicité (Desktop) Publicité (Mobile) |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| Alex Média Services Inc | Montréal | Circular & Sample Distribution |
| Alfa Clinique Médicale | Saint-Constant | Medical Clinics |
| Aliments Morehouse Canada Inc | Lachine | Agri-food |
| Aliments T & N (Les) | Lachine | Agri-food |
| Allstream | Lachine | Information Technologies (IT), Tout Entreprises et services, Tout Informatique et internet |
| Alltech Distribution Inc | Saint-Michel | Tout Commerces au détail |
| Alltech Distributions | Montréal | Alternators & Starters |
Publicité (Desktop) Publicité (Mobile) |
| Alongi | Lachine | Tout Commerces au détail, Tout Entreprises et services |
| Alpha Seaforth Clinique Dentaire | Québec | Dentists |
| Always B Clean | Lachine | Home Improvement |
| Ambrosia Santé | Montréal | Aromatherapy |
| AMD Ritmed Inc. | Québec | Life Sciences and Health Technologies (LSHT) |
| AMG Medical inc | Dalton | Life Sciences and Health Technologies (LSHT), Tout Commerces au détail, Tout Entreprises et services |
| AMJ Campbell Van Lines | Lachine | Tout Entreprises et services |
| Ampak Distribution Inc | Montréal | Bottles & Jars |
| Andino Distribution Inc. | Montréal | Audiovisual Equipment & Supplies |
| Andrew & Friends - 90 Day Challenge | Lachine | Beauty Salon Equipment & Supplies |
