| Bluebay Spa | Beauty & Health Spas | spamodivivendi.com |
| Bluebird-9 | Advertising Agencies | facebook.com |
| Bluecony | Tout Commerces au détail, Tout Entreprises et services | bluecony.com |
| Bluecony Inc | Furniture Stores | bluecony.com |
| Bluelizard Games | Information Technologies (IT) | bluelizardgames.com |
| BLVD | Audiovisual Production Services, Information Technologies (IT) | blvd-mtl.com |
| BLYTHE BERNIER FUNERAL HOME | Funeral Homes, Services | mountroyalcem.com |
| Blés de pays | Tout Commerces au détail, Tout Entreprises et services | blesdepays.ca |
| Bm Assurances Inc | Car Insurance | assurancesbm.com |
| BM Exclusive Service | Auto Repair Garages, Automobiles, Not Profit, Car Repair | bmserviceexclusif.com |
| BM Peinture | Painters | — |
| BM2 Kerlyne Salon de Beauté | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| BMC Software | Information Technologies (IT) | bmc.com |
| Bmf roofing solutions us | Roofing | bmfroofingsolutions.com |
| BMR - Quincaillerie de l'Est | Plumbing | quincailleriedelest.com |
| BMR Express - Quincaillerie J.R. Grégoire | Bathroom Renovations | rona.ca |
| Bms Massage And Wellness | Massage Therapy | — |
| BMW Canbec Automobiles Inc | Car Repair | canbec.bmw.ca |
| BNB Informatique | Computer Networking | facebook.com |
| BNH Expert Software | Tout Informatique et internet | bnhexpertsoft.com |
| Bo Bebe | Baby Furniture Stores, Baby Products & Accessories | — |
| BO Lav Service D'Entretien Inc | Cleaning Services, Cleaning Service | bolav.com |
| Boa Construction | Building Contractors | boaconstructions.com |
| Boanani | Electricians | boanani.com |
| BOARD OF TRADE, HELLENIC CANADIAN | Blue Pages | — |
| Bob Réno Enr | Home Improvement | facebook.com |
| Boca Iberica | Tout Bars et restaurants | bocaiberica.ca |
| Bocle inc | Home Improvement | — |
| Bocle Inc | Electricians | buckle.com |
| BoConcept Montreal | Furniture Stores | boconcept.com |
| Body Spa | Beauty & Fitness, Tout Commerces au détail, Hairdressers & Beauty Salons | bodyspa.ca |
| Bodybag by Jude Clothing Co. | Tout Commerces au détail, Tout Entreprises et services | bodybagbyjude.com |
| BodyFit Technologies | Fitness Gyms | — |
| Bodyworx | Auto Body Shop | — |
| Boehringer Ingelheim | Life Sciences and Health Technologies (LSHT) | boehringer-ingelheim.com |
| Boff Inc. | Tout Commerces au détail, Tout Entreprises et services | boffwallbeds.ca |
| Bofinger | Caterers | bofinger.ca |
| Bogeys Billard | Barbers' Equipment & Supplies | facebook.com |
| Bohbot Rika | Bankruptcy Lawyers | — |
| Boily Handfield | Chartered Professional Accountants (CPA) | boilyhandfield.com |
| Boily Ltée | Cleaning Services, Cleaning Service | — |
| Boily Ltée Lavage de Vitres | Cleaning Services, Cleaning Service | lavage-de-vitre.com |
| Boily Media | Advertising Agencies | boilymedia.com |
| Bois BNT | Flooring | plancherboisfrancbnt.com |
| Bois Deco | Furniture Stores | bois-deco.ca |
| Bois et Cuir | Furniture Stores | — |
| Bois Franc SR | Flooring | — |
| Bois Idéal | Tout Commerces au détail | rona.ca |
| Bois Kraft | Furniture Stores | — |
| Bois Laurentien | Tout Entreprises et services | boislaurentien.com |
