| 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 |
| 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) |
Publicité (Desktop) Publicité (Mobile) |
| Beausejour Hotel Apartments | Dorval | Apartment Hotels |
| Beautybyandreaxo | Dorval | Beauty & Fitness, Hairdressers & Beauty Salons |
| Beel Technologies Inc. | Brossard | Aerospace, Tout Entreprises et services |
| Bell Helicopter Textron | Montréal | Aerospace |
| BELL HELICOPTER TEXTRON CANADA | Mirabel | Aerospace |
| 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 |
| Big Brothers Big Sisters of West Is... | Dorval | Tout Communautés et société |
| Bijouterie Jean-Guy Aubry | Dorval | Tout Commerces au détail |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| BOMBARDIER (GE Elano) | Mirabel | Aerospace |
| 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 |
| BOMBARDIER AEROSPACE Usine 1 | Montréal | Aerospace |
| BOMBARDIER AEROSPACE Usine de Mirabel | Mirabel | Aerospace |
| Bookkeeping Mtl | Dorval | Accountants, Accounting Services |
| Boutique De Mariage Punta Chiara Inc | Dorval | Bridal Shops |
| Boutique iStore | Dorval | Tout Informatique et internet |
| Brechbuhl Inc. | Saint-Hubert | Aerospace, Tout Entreprises et services |
| Brimotion Automation And Controls Inc | Dorval | Automation Systems & Equipment |
| Bugsy Distribution Inc | Dorval | Beverage Distributors & Bottlers |
| C&D ZODIAC INC. | Dollard Des Ormeaux | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| C.P.S. INC. (LES INDUSTRIES) | Pointe-Claire | Aerospace |
| Cac Air | Dorval | Airlines |
| CAE | Montréal | Aerospace |
| Caladena Groupe Inc. | Dorval | Tout Entreprises et services |
| CAM SOLUTIONS | Saint-Léonard | Aerospace |
| Camion International West Island | Dorval | Automobiles, car Dealers |
| Camp de jour Edphy International Edouard-Montpetit | Dorval | Camps |
| Canadian Forces Saling Association | Dorval | Boating & Sailing Courses |
| CANADIAN LIGHT AIRCRAFT SALES & SERVICE | Vaudreuil-Dorion | Aerospace |
| Canadian Tire (Alexis Nihon) | Montréal | Generators |
