| Amenzone Fitness | Dorval | Fitness Gyms |
| American Airlines | Dorval | Airlines |
| Ameublement Euro Style | Dorval | Tout Commerces au détail |
| Ameublements De Bureau Intrtch | Dorval | Furniture Stores |
| Amnesia | Brossard | Tout Commerces au détail, Shopping Mall |
| AMS Physiotherapy & Rehabilitation Centre | Dorval | Physiotherapy |
| Anodisation Montréal Inc | Dorval | Anodizing |
| Anton Paar Canada | Montréal | Catalogue & Online Shopping |
| Anz Inc | Brossard | Shopping Mall |
| App.Art | Montréal | Shopping Mall |
Publicité (Desktop) Publicité (Mobile) |
| Applications Mobiles Overview Inc | Montréal | Shopping Mall |
| Aqua Performa | Dorval | Fitness Gyms |
| 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 |
| Articles Publicitaires Sherman | Laval | Shopping Mall |
| As As Systemes D Accrochage | Brossard | Shopping Mall |
| AS Hanging Display Systems | Brossard | Shopping Mall |
Publicité (Desktop) Publicité (Mobile) |
| As Hanging Systems | Brossard | Shopping Mall |
| ASCO Valve Canada | Dorval | Tout Entreprises et services |
| Atelier Centre Du Pneu Groupe Unik | Dorval | Tire Shop |
| Atlas Ideal Metal Inc | Laval | Shopping Mall |
| Auberge St-Louis | Dorval | Apartment Hotels |
| Audionova Inc. | Dorval | Tout Commerces au détail |
| Audiow3 Inc | Montréal | Shopping Mall |
| Auto Bugatti Inc. | Dorval | Tout Commerces au détail |
| Auto Sai Inc | Dorval | Tire Shop |
| AVIATION MBBH Inc. | Dorval | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| Avis | Dorval | Tout Commerces au détail |
| Aviva Solutions Inc. | Dorval | Tout Informatique et internet |
| AVON Isabelle | Montréal | Catalogue & Online Shopping |
| Awake Coding Consulting Inc | Montréal | Shopping Mall |
| Axispress | Montréal | Catalogue & Online Shopping |
| Azad Fine Chemicals | Dorval | Chemicals |
| Azzimov Mobile Inc | Montréal | Catalogue & Online Shopping |
| Aéroport International de Montréal-Trudeau YUL | Dorval | Airports |
| Aéroports de Montréal | Dorval | Airports |
| Aéroports de Montréal (ADM) | Dorval | Tout Entreprises et services, Tout Tourisme et hôtels |
Publicité (Desktop) Publicité (Mobile) |
| Aéroports Internationaux de Montréal-Trudeau et Montréal-Mirabel | Dorval | Airports |
| b At order | Dorval | at |
| Babysitting & Cleaning services | Dorval | Babysitting Services |
| Bain Depot | Dorval | Bathroom Accessories |
| Baked2go | Dorval | Tout Commerces au détail |
| Barwood-Pilon | Dorval | Tout Entreprises et services |
| Batesville Canada | Dorval | Tout Entreprises et services |
| Batrik Medical Manufacturing Inc | Dorval | Life Sciences and Health Technologies (LSHT) |
| Bayanemarket | Montréal | Catalogue & Online Shopping |
| Beausejour Hotel Apartments | Dorval | Apartment Hotels |
