| ALDO Accessoires | Montréal | Air Conditioning Systems & Parts |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
| Allia Expertise Inc | Saint-Bruno | Bookkeeping Software & Accounting Systems |
| Alliages Unifiés | Dorval | Tout Entreprises et services |
| Allied Universal Security Services | Dorval | Tout Entreprises et services |
| Alta Material Handling | Dorval | Tout Entreprises et services |
| Altrom/Auto-Camping - Dorval | Dorval | Auto Body Shop Equipment & Supplies |
| Amacor Marketing | Dorval | Tout Commerces au détail |
| Amber Esthetics & Makeup Studio | Dorval | Beauty & Fitness, Hairdressers & Beauty Salons |
Publicité (Desktop) Publicité (Mobile) |
| Amcor | Dorval | Tout Entreprises et services |
| AMEC AMÉRIQUES LIMITÉE | Dorval | Life Sciences and Health Technologies (LSHT) |
| Amenzone Fitness | Dorval | Fitness Gyms |
| American Airlines | Dorval | Airlines |
| Ameublement Euro Style | Dorval | Tout Commerces au détail |
| Ameublements De Bureau Intrtch | Dorval | Furniture Stores |
| AMS Physiotherapy & Rehabilitation Centre | Dorval | Physiotherapy |
| Anderson Accounting | Montréal | Bookkeeping Software & Accounting Systems |
| Annexair Inc | Montréal | Air Conditioning Systems & Parts |
| Anodisation Montréal Inc | Dorval | Anodizing |
Publicité (Desktop) Publicité (Mobile) |
| Aqua Feu Protection Incendie Inc | Laval | Automatic Fire Sprinkler Systems |
| Aqua Performa | Dorval | Fitness Gyms |
| Aqua-Jet | Greenfield Park | Chemical & Pressure Cleaning Systems |
| Aquajet Restauration Inc | Montréal | Tout Entreprises et services, Chemical & Pressure Cleaning Systems |
| ARA robotique | Montréal | Information Technologies (IT) |
| Arctic Glacier | Dorval | Tout Entreprises et services |
| Ares Cuisine Head Office | Dorval | Appliance Manufacturers & Wholesalers |
| Armolan Furniture | Dorval | Cabinet Makers |
| Arrow Electronics | Dorval | Tout Entreprises et services |
| Arvanitis & Fiacco Accounting Services Inc | Dollard Des Ormeaux | Bookkeeping Software & Accounting Systems |
Publicité (Desktop) Publicité (Mobile) |
| AS Hanging Display Systems | Brossard | Shopping Mall |
| As Hanging Systems | Brossard | Shopping Mall |
| Ascendie Goliath | Boucherville | Automatic Fire Sprinkler Systems |
| ASCO Valve Canada | Dorval | Tout Entreprises et services |
| ASE Equipements Inc | Saint-Jean-Sur-Richelieu | Automation Systems & Equipment |
| Aslen Stratégies D'Affaires | Brossard | Bookkeeping Software & Accounting Systems |
| Aslen Stratégies D'affaires | Longueuil | Bookkeeping Software & Accounting Systems |
| Aspirateur 2000 Plus Repentigny | Repentigny | Central Vacuum Systems |
| Aspirateur Anjou Inc | Saint-Léonard | Central Vacuum Systems |
| Aspirateur Cyclo Vac Laval Ste-Rose | Sainte-Rose | Central Vacuum Systems |
Publicité (Desktop) Publicité (Mobile) |
| Aspirateur Desjardins | Roxboro | Central Vacuum Systems |
| Aspirateur Direct | Châteauguay | Central Vacuum Systems |
| Aspirateur Montréal | Pointe-Aux-Trembles | Central Vacuum Systems |
| Aspirateur St-Constant Inc | Sainte-Catherine | Central Vacuum Systems |
| Aspirateurs Ahuntsic | Montréal | Central Vacuum Systems |
| Aspirateurs Carstelle Inc | Salaberry-De-Valleyfield | Central Vacuum Systems |
| Aspirateurs Centrals Lasalle Electrolux Cyclovac Beam Epurair | Lasalle | Central Vacuum Systems |
| Aspirateurs Lasalle | Lasalle | Central Vacuum Systems |
| Aspirateurs MG Plus | Saint-Hubert | Central Vacuum Systems |
| Aspirateurs St Hubert | Saint-Hubert | Central Vacuum Systems |
