| Ansys Canada Ltd. | Quartier Latin Et Centre-Sud | Tout Informatique et internet |
| Anton Paar Canada | Montréal | Catalogue & Online Shopping |
| Anvil International Canada | Montréal | Building Contractors |
| Aplast Canada Inc | Westmount | Home Improvement |
| AppDirect Canada Inc | Montréal | Information Technologies (IT) |
| Apple Canada Inc. | Montréal | Tout Entreprises et services, Tout Informatique et internet |
| ApSTAT Technologies | Montréal | Information Technologies (IT) |
| Aptech Services Canada Ltée | Drvl | Computer Accessories & Supplies |
| Aptilon | Montréal | Business & Trade Organizations |
| Aqua Canada Appliances | Montréal | Appliance Repair & Service |
Publicité (Desktop) Publicité (Mobile) |
| Aquatech BM | Boucherville | Business & Trade Organizations |
| Aramark Canada Ltée | Lasalle | Coffee Machines & Roasting Equipment |
| Arboreta Internet Services | Longueuil | Business Centres |
| Arbrobec Parts Canada Ltd. | Mirabel | Tout Entreprises et services |
| ARCHANGELS Greek Orthodox Comm. | Montréal | Blue Pages |
| Archivex | Montréal | Business Centres |
| Arctic Traveler Canada Ltd | Montréal | Garage Auto |
| Aresx | Saint-Bruno | Business Brokers |
| Arianne Relocation Canada | Ville-Émard Et Côte-Saint-Paul | Tout Entreprises et services |
| Arishma D. Gokhool Attorney | Toronto | Business Lawyers |
Publicité (Desktop) Publicité (Mobile) |
| Arlee Canada Inc | Montréal | Bedding & Linens |
| Arneg Canada Inc. | Lacolle | Tout Commerces au détail |
| Arrow Électronique Canada | Baie-D'urfé | Information Technologies (IT) |
| Arslan Automotive Canada Ltée | Pointe-Claire | Tout Commerces au détail |
| Artech Camps Canada | Montréal | Camps |
| Artelys Canada | Montréal | Information Technologies (IT) |
| Artemano Canada | Laval | Furniture Stores |
| Artemano Canada | Laval | Furniture Stores |
| Arthur Malouin Ltée | Saint-Césaire | Business Insurance |
| Artisans Canada | Québec | Tout Commerces au détail |
Publicité (Desktop) Publicité (Mobile) |
| ASCO Valve Canada | Dorval | Tout Entreprises et services |
| ASG Canada | Montréal | Information Technologies (IT) |
| ASI Computer Technologies (Canada) Corp | Montréal | Information Technologies (IT) |
| Asplundh Canada | Terrebonne | Life Sciences and Health Technologies (LSHT) |
| Assetco Recovery Services Inc | Mont-Royal | Business Valuation |
| Assima Canada / Wizart Canada | Montréal | Information Technologies (IT) |
| Association des scouts du Canada | Villeray | Tout Arts et divertissement, Tout Communautés et société |
| Association Sociale Inca Canada | Montréal | Associations |
| Assurance Pierre & Baguidy | Montréal | Business Insurance |
| Assurance vie Primerica services financiers | Saint-Léonard | Business Insurance |
Publicité (Desktop) Publicité (Mobile) |
| Assurances Laurino & Gutta Inc | Montréal | Business Insurance |
| Assurances Provencher Verreault | Brossard | Business Insurance |
| Assurancia Guertin & Cie | Saint-Basile-Le-Grand | Business Insurance |
| Assurexperts Boisselle Et Associés | Varennes | Business Insurance |
| Assurexperts Desgroseilliers inc | Saint-Hubert | Business Insurance |
| ASSYSTEM PRODUCT ENGINEERING CANADA | Montréal | Aerospace |
| AstraZeneca Canada | Longueuil | Life Sciences and Health Technologies (LSHT) |
| AT&T Canada | Centre-Ville | Tout Entreprises et services |
| ATD DESIGN SERVICES (4071468 CANADA INC.) | Sainte-Geneviève | Aerospace |
| Atek Canada | Montréal | Tout Informatique et internet |
