| Belanger Upt | Montréal | Plumbing |
| Bell Media Inc | Montréal | Electricians |
| Bell Media Inc | Montréal | Electricians |
| Bellerose Electrique Inc | Montréal | Electricians |
| Belley Electrique Inc | Montréal | Electricians |
| Belvedere Bowling Inc | Lachine | Bowling |
| Ben-J Electrique Inc | Montréal | Electricians |
| Benmark 1994 Enr | Piedmont | Electricians |
| Bernard Legare | Montréal | Electricians |
| Bernard Légaré Ltée | Montréal | Electricians |
Publicité (Desktop) Publicité (Mobile) |
| Berryman Électrique | Montréal | Electricians |
| Bert Electrique Inc | Lasalle | Electricians |
| Bertrand Durand Inc | Montréal | Plumbing |
| Best Plumbing Services | Montréal | Plumbing |
| Bestway Électrique Inc. | Montréal | Electricians |
| BG Entrepreneur Électricien | Marieville | Electricians |
| Bicyclettes Rossi | Lachine | Tout Commerces au détail |
| Bicyclettes Rossi | Lachine | Clothing Manufacturers & Wholesalers |
| Big G Electric | Pierrefonds | Electricians |
| Bills Plumbing & Heating | Montréal | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| Bio S & T Inc. | Lachine | Life Sciences and Health Technologies (LSHT), Tout Entreprises et services |
| BIXI Montreal | Lachine | Tout Entreprises et services |
| Bk Entretien / Débouchage Et Inspection De Drain | Montréal | Plumbing |
| BMR - Quincaillerie de l'Est | Montréal | Plumbing |
| BNR plomberie Inc. | Pointe-Aux-Trembles | Plumbing |
| Boanani | Montréal | Electricians |
| Bocle Inc | Montréal | Electricians |
| Bon bain | Lachine | Bathroom Renovations |
| Bon-Elect Electricien | Montréal | Electricians |
| Bonaventure Electrique | Montréal | Electricians |
Publicité (Desktop) Publicité (Mobile) |
| Bonenfant Limitée | Montréal | Electricians |
| Bonenfant Maître Électricien | Montréal | Electricians |
| Borenstein Plumbing & Heating Inc | Lachine | Plumbing |
| Bossuet Plumbing & Electrician | Saint-Léonard | Electricians |
| Bouchard Daniel Maître Electricien Inc | Verdun | Electricians |
| Boulangerie N D G | Lachine | Bakeries |
| Boulart Inc | Lachine | Baked Goods Wholesalers |
| Bournival Electrique Inc | Montréal | Electricians |
| Boutique Emerance Inc | Lachine | Boutiques |
| Bow Plumbing Group Inc | Mont-Royal | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| Boy Boy Ky | Lachine | ky |
| Boylec Inc | Montréal | Electricians |
| Brasserie Alvio | Lachine | Brasseries |
| Brault Drain | Montréal | Plumbing |
| Bray Contrôles Canada Ltée | Lachine | Tout Entreprises et services |
| Bray-Dor Inc. | Lachine | Tout Entreprises et services |
| Break Oval Medi Spa & Skin Center | Lachine | Health and Beauty |
| Breakoval Esthetic Spa | Lachine | Health and Beauty |
| Brenntag | Lachine | Tout Entreprises et services |
| Brenntag Canada Inc | Lachine | Chemical Storage & Handling |
