| 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) |
| BBI Solutions | Ville-Mont-Royal | Tout Entreprises et services |
| Beartech Solutions Inc | Montréal | Antennas |
| Beausejour Hotel Apartments | Dorval | Apartment Hotels |
| Beautybyandreaxo | Dorval | Beauty & Fitness, Hairdressers & Beauty Salons |
| Bell Solutions en Santé | Île-des-Soeurs | Life Sciences and Health Technologies (LSHT) |
| Bergy Baseball & Golf | Dorval | Baseball Clubs & Lessons |
| Bertrand Solutions | Ste-Rose | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Bio Lonreco | Dorval | Life Sciences and Health Technologies (LSHT) |
| Bionetix | Dorval | Biomedical Products |
| Biron – Centre de santé – Aéroport de Montréal | Dorval | Medical Clinics |
| Bizware Software Solutions | Montréal | Information Technologies (IT) |
| BJAC Aéronautique | Dorval | Aircraft Parts, Engines & Avionics |
| BJAC Services | Dorval | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| Bl Solutions Montreal | Montréal | Cleaning Services, Cleaning Service |
| Black Limousine Montréal – Chauffeur privé & limousine de luxe | Dorval | Chauffeur Services |
| Bmf roofing solutions us | Montréal | Roofing |
| Bombardier Aeorspace | Dorval | Aircraft Design & Manufacturers |
| BOMBARDIER AEROSPACE Centre de finition Intérieure | Dorval | Aerospace |
| 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 |
| Boutique Vidéotron | Beloeil | Cable TV Providers |
Publicité (Desktop) Publicité (Mobile) |
| Boutique Vidéotron | Longueuil | Cable TV Providers |
| Boutique Vidéotron | Saint-Hubert | Cable TV Providers |
| Brimotion Automation And Controls Inc | Dorval | Automation Systems & Equipment |
| Brookfield Solutions Globales Intégrées Canada S.E.C | Montréal | Building Exterior Cleaning |
| Bugsy Distribution Inc | Dorval | Beverage Distributors & Bottlers |
| C3 Solutions | Pointe-Saint-Charles | Tout Informatique et internet |
| Cablage Sc | Montréal | Computer Cabling, Installation & Service |
| Cable Express | Montréal | Cabling Equipment & Supplies |
| Cablecom International | Montréal | Cabling Equipment & Supplies |
| Cableflo International Inc. | Ste-Rose | Tout Informatique et internet |
Publicité (Desktop) Publicité (Mobile) |
| Cablek Industries | Pointe-Claire | Tout Entreprises et services, Tout Informatique et internet |
| Cablek Industries | Pointe-Claire | Cabling Equipment & Supplies |
| Cables P T I Cables Inc | Pointe-Claire | Cabling Equipment & Supplies |
| Cables P T I Cables Inc | Pointe-Claire | Cabling Equipment & Supplies |
| Cabletel Communications Corp | Saint-Hubert | Answering Machines & Equipment |
| Cac Air | Dorval | Airlines |
| 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 |
