| Anixter Canada Inc. | Montréal | Tout Entreprises et services |
| Anjuna Airline Solutions-Canada | Montréal | Airlines |
| Anne Drouin, artiste peintre | Sainte-Julie | Tout Arts et divertissement |
| 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 |
| Apollo Appliance Parts | Sainte-Geneviève | Appliance Parts & Supplies |
| AppDirect Canada Inc | Montréal | Information Technologies (IT) |
| Apple Canada Inc. | Montréal | Tout Entreprises et services, Tout Informatique et internet |
Publicité (Desktop) Publicité (Mobile) |
| Apple Sainte-Catherine | Montréal | Answering Machines & Equipment |
| ApSTAT Technologies | Montréal | Information Technologies (IT) |
| Aptech Services Canada Ltée | Drvl | Computer Accessories & Supplies |
| Aqua Beauté | Sainte-Thérèse | Beauty & Fitness, Hairdressers & Beauty Salons |
| Aqua Canada Appliances | Montréal | Appliance Repair & Service |
| Aramark Canada Ltée | Lasalle | Coffee Machines & Roasting Equipment |
| Arboretum Morgan | Sainte-Anne-De-Bellevue | Tout Tourisme et hôtels |
| Arbrobec Parts Canada Ltd. | Mirabel | Tout Entreprises et services |
| ARCHANGELS Greek Orthodox Comm. | Montréal | Blue Pages |
| Architecture Richard Cyr (Plans - Dessins) | Sainte-Marthe-Sur-Le-Lac | Architectural & Construction Specifications |
Publicité (Desktop) Publicité (Mobile) |
| Arctic Traveler Canada Ltd | Montréal | Garage Auto |
| Arianne Relocation Canada | Ville-Émard Et Côte-Saint-Paul | Tout Entreprises et services |
| Arlee Canada Inc | Montréal | Bedding & Linens |
| Armelle Coiffure | Sainte-Thérèse | Beauty & Fitness, Hairdressers & Beauty Salons |
| 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 |
Publicité (Desktop) Publicité (Mobile) |
| Artemano Canada | Laval | Furniture Stores |
| Articles Promaly Enr | Sainte-Thérèse | Arbitration Service |
| Artisans Canada | Québec | Tout Commerces au détail |
| Artlequin | Sainte-Julie | Art Schools |
| ASA Rénovation et Ébénisterie | Sainte-Julienne | Cabinet Makers |
| ASCO Valve Canada | Dorval | Tout Entreprises et services |
| ASG Canada | Montréal | Information Technologies (IT) |
| ASI Computer Technologies (Canada) Corp | Montréal | Information Technologies (IT) |
| Aspirateur Cyclo Vac Laval Ste-Rose | Sainte-Rose | Central Vacuum Systems |
| Aspirateur St-Constant Inc | Sainte-Catherine | Central Vacuum Systems |
Publicité (Desktop) Publicité (Mobile) |
| Asplundh Canada | Terrebonne | Life Sciences and Health Technologies (LSHT) |
| 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 |
| 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 |
| Atelier Boutique Rheault & Minéraux | Sainte-Julie | Arts & Crafts Stores |
