| Bab | Mont-Royal | Plumbing |
| Back Flow Plumbing | Montréal | Plumbing |
| Backfloshop | Montréal | Plumbing |
| Bastien Mario Plomberie Enr | Montréal | Plumbing |
| Bb Plumbing Supply | Mont-Royal | Plumbing |
| BCBGMAXAZRIA | Outremont | Children's Clothing Stores |
| Beautejobs | Outremont | Beauty Salon Equipment & Supplies |
| Bel Cosmétiques by Isabel K. Ayalon | Outremont | Beauty & Fitness, Hairdressers & Beauty Salons |
| Bel Egoût Inc | Montréal | Plumbing |
| Belanger Upt | Montréal | Plumbing |
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| Bertrand Durand Inc | Montréal | Plumbing |
| Best Plumbing Services | Montréal | Plumbing |
| Bijoux l'inédit | Outremont | Tout Commerces au détail |
| Bills Plumbing & Heating | Montréal | Plumbing |
| Bk Entretien / Débouchage Et Inspection De Drain | Montréal | Plumbing |
| BMR - Quincaillerie de l'Est | Montréal | Plumbing |
| BNR plomberie Inc. | Pointe-Aux-Trembles | Plumbing |
| Bonnie Beauté | Outremont | Beauty & Fitness, Hairdressers & Beauty Salons |
| Borenstein Plumbing & Heating Inc | Lachine | Plumbing |
| Bossuet Plumbing & Electrician | Saint-Léonard | Electricians |
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| Botanical Art By Gio | Outremont | Art Galleries, Dealers & Consultants |
| Boutique Billie | Outremont | Tout Commerces au détail |
| Boutique Brat Pack | Outremont | Tout Commerces au détail |
| Boutique Citrouille | Outremont | Tout Commerces au détail |
| Boutique Sandwich | Outremont | Boutiques |
| Boutique Tout Terrain | Outremont | Bicycle Stores |
| Bow Plumbing Group Inc | Mont-Royal | Plumbing |
| Brasserie Bernard | Outremont | Not Profit, Restaurants |
| Brault Drain | Montréal | Plumbing |
| Briggs T M Plumbing & Heating Inc | Montréal | Plumbing |
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| Brissette & Fils Plomberie Et Chauffage Inc | Montréal | Plumbing |
| Brule F G Plumbing Services Limited | Montréal | Plumbing |
| Budget Drain | Sainte-Catherine | Plumbing |
| Build | Outremont | Building Contractors |
| Button Dry Cleaner | Outremont | Buttons |
| Bédard Yvan | Outremont | Chartered Professional Accountants (CPA) |
| Bélanger & Associés | Montréal | Plumbing |
| Bélanger - UPT | Montréal | Plumbing |
| C & C Plumbing & Heating | Montréal | Plumbing |
| C.C.G. | Montréal | Plumbing |
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| C.M.G. Plumbing Maintenance | Montréal | Home Decoration & Maintenance |
| Cabinet Williams | Outremont | Painters |
| Cadimech | Montréal | Plumbing |
| Café Prague | Outremont | Cafes Terraces |
| Calcul de prêt | Outremont | Tout Informatique et internet |
| Calyps'eau | Montréal | Plumbing |
| Camp de jour YOPI - Pensionnat du Saint-Nom-de-Marie | Outremont | Camps |
| Camp Wanapitei | Outremont | Camps |
| Candei Eco-Energie | Montréal | Plumbing |
| Cardio Plein Air Ville-Marie/Outremont | Montréal | Fitness Gyms |
