| Aroma Montréal | Montréal | Aromatherapy |
| Aromathicare | Montréal | Aromatherapy |
| Arrow Electronics | Dorval | Tout Entreprises et services |
| 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 |
| AVIATION MBBH Inc. | Dorval | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| Avis | Dorval | Tout Commerces au détail |
| Aviva Solutions Inc. | Dorval | Tout Informatique et internet |
| Azad Fine Chemicals | Dorval | Chemicals |
| 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 |
| B-Attitude | Montréal | Aromatherapy |
| Babysitting & Cleaning services | Dorval | Babysitting Services |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Bibliothèque | Dorval | Not Profit, library |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Bombardier Aeorspace | Dorval | Aircraft Design & Manufacturers |
| BOMBARDIER AEROSPACE Centre de finition Intérieure | Dorval | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| BOMBARDIER AEROSPACE Siège Social Aéro & usine 3 | Dorval | Aerospace |
| Bookkeeping Mtl | Dorval | Accountants, Accounting Services |
| Boutique De Mariage Punta Chiara Inc | Dorval | Bridal Shops |
| Boutique iStore | Dorval | Tout Informatique et internet |
| Brimotion Automation And Controls Inc | Dorval | Automation Systems & Equipment |
| Bugsy Distribution Inc | Dorval | Beverage Distributors & Bottlers |
| Cac Air | Dorval | Airlines |
| Caladena Groupe Inc. | Dorval | Tout Entreprises et services |
| Camion International West Island | Dorval | Automobiles, car Dealers |
| Camp de jour Edphy International Edouard-Montpetit | Dorval | Camps |
