| 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 Anael Antique | Montréal | Antique Dealers |
| A Anael Antique | Montréal | Antique Dealers |
| A Antiquité Arsène Enr | Sainte-Rose | Antique Dealers |
| A Antiquités Ancestrale Enr | Laval | Antique Dealers |
| A Arsène Lupin Antiquités | Montréal | Antique Dealers |
| A Asselin & Fils Inc | Lachine | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| A Ky | Sainte-Marthe-Sur-Le-Lac | ky |
| A Pex Discount Inc | Lachine | Bedding & Linens |
| Aai Encanteurs Assoc Intl | Lachine | Auctions |
| Abacus Michel L'Italien | Montréal | Antique Dealers |
| Abu-Lasia/ Matamin | Lachine | Baked Goods Wholesalers |
| Accessoires Rose Blanche | Lachine | Bakery Equipment, Bakery Supplies |
| Accord Expositions | Lachine | Tout Entreprises et services |
| Achat antiquité.com | Montréal | Antique Dealers |
| Acier Lachine Inc | Lachine | Aluminum |
| ADI Global Distribution | Lachine | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| ADM Canada | Lachine | Tout Entreprises et services |
| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
| Air Pulsion | Lachenaie | Tout Entreprises et services |
| Aj Paradis | Lac-Mégantic | aj |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| Alexandra's Nostalgic Memorabilia | Montréal | Antique Dealers |
| Aliments Morehouse Canada Inc | Lachine | Agri-food |
Publicité (Desktop) Publicité (Mobile) |
| Aliments T & N (Les) | Lachine | Agri-food |
| Allstream | Lachine | Information Technologies (IT), Tout Entreprises et services, Tout Informatique et internet |
| Alongi | Lachine | Tout Commerces au détail, Tout Entreprises et services |
| Altea Furniture | Westmount | Antique Restoration, Refinishing & Repair |
| Always B Clean | Lachine | Home Improvement |
| Ambiance et Discernement Antiquités | Montréal | Antique Dealers |
| AMD Ritmed Inc. | Québec | Life Sciences and Health Technologies (LSHT) |
| AMJ Campbell Van Lines | Lachine | Tout Entreprises et services |
| AMS Design Inc | Mont St Grégoire | Building Repair & Restoration |
| Andrew & Friends - 90 Day Challenge | Lachine | Beauty Salon Equipment & Supplies |
Publicité (Desktop) Publicité (Mobile) |
| Andrée Lacourse Massothérapie-Approche Ostéopathique | Longueuil | Massage Therapy |
| Anixia | Lachine | Calendars |
| Annie Cyr Conseillère Indépendante Scentsy | Lachine | Aromatherapy |
| Antiquaire Denis | Montréal | Antique Dealers |
| Antiquaires Alken | Montréal | Antique Dealers |
| Antique Guns, Swords & Militaria | Montréal | Antique Dealers |
| Antique Guns, Swords & Militaria | Montréal | Antique Dealers |
| Antiques Aunt Sadie | Montréal | Antique Dealers |
| Antiques Cove | Montréal | Tout Commerces au détail, Antique Dealers |
| Antiques Puces Libres | Montréal | Antique Dealers |
