| 1230 Électroniques | Lachine | Computer Repair & Cleaning |
| 123inkcartridges.ca | Lachine | Camera & Photo Equipment Stores |
| 2968-2978 Québec Inc | Montréal | Bus & Coach Rental & Charter |
| 417 Bus Line | Montréal | Bus & Coach Rental & Charter |
| 9083-2114 Quebec Inc | Montréal | Bus & Coach Rental & Charter |
| 9119-8200 Québec Inc | Montréal | Bus & Coach Rental & Charter |
| 9132-1000 Québec Inc | Lachine | Business & Trade Organizations |
| 9237-7993 Quebec Inc | Laval | Bus & Coach Rental & Charter |
| 9269-9826 Quebec Inc | L'île-Perrôt | Beauty & Fitness, Hairdressers & Beauty Salons |
| 9334-4349 Quebec Inc | Lachine | Pizza & Pizzerias |
Publicité (Desktop) Publicité (Mobile) |
| A Asselin & Fils Inc | Lachine | Plumbing |
| A Fabrice Entreprise | Montréal | Bus Stations & Ticket Agencies |
| A Inc | Laval | Bus Stations & Ticket Agencies |
| A la carte Marketing | Île-Bizard | Tout Entreprises et services |
| A Pex Discount Inc | Lachine | Bedding & Linens |
| A S T Inc | Montréal | Business & Trade Organizations |
| A&A Car Detailing | L'île-Bizard | Car Washes |
| A+Quick Socal Media Business | Montréal | Advertising Agencies |
| A-1 Transport | Varennes | Bus & Coach Rental & Charter |
| Aai Encanteurs Assoc Intl | Lachine | Auctions |
Publicité (Desktop) Publicité (Mobile) |
| Abu-Lasia/ Matamin | Lachine | Baked Goods Wholesalers |
| Accessoires Rose Blanche | Lachine | Bakery Equipment, Bakery Supplies |
| Accord Expositions | Lachine | Tout Entreprises et services |
| Acef de l'Île Jésus | Vimont Et Auteuil | Tout Communautés et société |
| Acier Lachine Inc | Lachine | Aluminum |
| Action Graphix Longueil | Longueuil | Business Centres |
| Active Business & Realty Inc | Mont-Royal | Business Brokers |
| Adelson Et Associés | Montréal | Business Insurance |
| ADI Global Distribution | Lachine | Tout Entreprises et services |
| ADM Canada | Lachine | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Advanced Business Analytics Inc. | Montréal | Physiotherapy |
| Aegera Therapeutics, part of Pharmascience Inc. | Île-des-Soeurs | Life Sciences and Health Technologies (LSHT) |
| Aerotek | Montréal | Business Centres |
| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| Agence Immobilière Bauhaus | Gaspésie-Îles-De-La-Madeleine | Tout Entreprises et services |
| Agences Roger Boutin Inc | Boucherville | Business Brokers |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
| Alain Lessard | Montréal | Business Lawyers |
Publicité (Desktop) Publicité (Mobile) |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| Albert Seliger | Montréal | Business Insurance |
| ALCiE Integrated Business Solutions | Montréal | Tout Informatique et internet |
| Alexandre Germain | Longueuil | Business Lawyers |
| Aliments Morehouse Canada Inc | Lachine | Agri-food |
| Aliments T & N (Les) | Lachine | Agri-food |
| Allali Brault | Montréal | Business Lawyers |
| Alliance Service d'Entretien Ménager | Saint-Paul-De-L'île-Aux-Noix | Cleaning Services, Cleaning Service |
| Alliance Web-Commerce | Montréal | Business & Trade Organizations |
| AlloFirm | Montréal | Business Brokers |
