| AMS Physiotherapy & Rehabilitation Centre | Dorval | Physiotherapy |
| Andrea Flütsch | Westmount | Physiotherapy |
| Anja Trommer | Montréal | Physiotherapy |
| Anne Cormier Thérapeute en relation d'aide | Montréal | Physiotherapy |
| Annie-Claude Charlebois, Physiothérapeute | Saint-Lambert | Physiotherapy |
| Anodisation Montréal Inc | Dorval | Anodizing |
| Anthony Teoli Physiothérapeute | Laval | Physiotherapy |
| Aqua Performa | Dorval | Fitness Gyms |
| ARA robotique | Montréal | Information Technologies (IT) |
| Arctic Glacier | Dorval | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Ares Cuisine Head Office | Dorval | Appliance Manufacturers & Wholesalers |
| Armolan Furniture | Dorval | Cabinet Makers |
| Arrow Electronics | Dorval | Tout Entreprises et services |
| Arthri-Solution | Montréal | Physiotherapy |
| ASCO Valve Canada | Dorval | Tout Entreprises et services |
| Atelier Centre Du Pneu Groupe Unik | Dorval | Tire Shop |
| Auberge St-Louis | Dorval | Apartment Hotels |
| Audionova Inc. | Dorval | Tout Commerces au détail |
| Auto Bugatti Inc. | Dorval | Tout Commerces au détail |
| Auto Sai Inc | Dorval | Tire Shop |
Publicité (Desktop) Publicité (Mobile) |
| AVIATION MBBH Inc. | Dorval | Aerospace |
| Avis | Dorval | Tout Commerces au détail |
| Aviva Solutions Inc. | Dorval | Tout Informatique et internet |
| Azad Fine Chemicals | Dorval | Chemicals |
| Azita Papaie Physiotherapeute | Montréal | Physiotherapy |
| 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 |
| Aéroports Internationaux de Montréal-Trudeau et Montréal-Mirabel | Dorval | Airports |
| b At order | Dorval | at |
Publicité (Desktop) Publicité (Mobile) |
| 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) |
| Beausejour Hotel Apartments | Dorval | Apartment Hotels |
| Beautybyandreaxo | Dorval | Beauty & Fitness, Hairdressers & Beauty Salons |
| Bergy Baseball & Golf | Dorval | Baseball Clubs & Lessons |
| BHM Truck Trailer Repair Garage | Dorval | Auto Repair Garages, Automobiles, Not Profit, Car Repair |
Publicité (Desktop) Publicité (Mobile) |
| Bibliothèque | Dorval | Not Profit, library |
| Big Brothers Big Sisters of West Is... | Dorval | Tout Communautés et société |
| Bijouterie Jean-Guy Aubry | Dorval | Tout Commerces au détail |
| Bio Lonreco | Dorval | Life Sciences and Health Technologies (LSHT) |
| Bionetix | Dorval | Biomedical Products |
| Biron – Centre de santé – Aéroport de Montréal | Dorval | Medical Clinics |
| BJAC Aéronautique | Dorval | Aircraft Parts, Engines & Avionics |
| BJAC Services | Dorval | Aerospace |
| Black Limousine Montréal – Chauffeur privé & limousine de luxe | Dorval | Chauffeur Services |
| BMR Matco St-Leonard | Saint-Léonard | Generators |
