| Boréal | Tout Commerces au détail, Tout Entreprises et services | borealmatelas.com |
| Boréalis Labs | Tout Commerces au détail | borealislab.qc.ca |
| Boscher Derhy Desmarais Godwin (BDG) | Clean Technologies | — |
| Boscoville Centre de Reeducation | Physiotherapy | — |
| Bose | Answering Machines & Equipment | — |
| Boston Consulting Group Canada | Actuary Consulting & Services | bcg.com |
| Boston-Montreal-Boston | Tout Arts et divertissement | en.wikipedia.org |
| Bota Bota | Tout Commerces au détail | botabota.ca |
| Bota Bota spa-sur-l'eau | Beauty & Health Spas | botabota.ca |
| Botanical Garden | Not Profit, library | museumsnature.ca |
| Botler | Information Technologies (IT) | botler.ai |
| Botravo Inc | Landscaping | — |
| Bottin haitiens de Montréal | Tout Communautés et société | bottinhaitien.com |
| Botëka | Massage Therapy | silhouetteconcept.com |
| Bouchard A | Accountants | — |
| Bouchard B L Garage | Auto Services | facebook.com |
| Bouchard Evelyne | Acupuncturists | facebook.com |
| Bouchard Louis | Association Management | — |
| Bouchard Maintenance Enr | Cleaning Services, Cleaning Service | — |
| Bouchard Yves Dr | Dentists | cliniquedentairebbc.com |
| Bouchereau Lingua International | Tout Enseignement et savoir | bli.ca |
| Boucherie Al Khair | Butcher Shops | al-khair.ca |
| Boucherie Alamrai | Butcher Shops | facebook.com |
| Boucherie Almalhaba | Butcher Shops | facebook.com |
| Boucherie Beau-Bien | Butcher Shops | boucherie-beaubien.com |
| Boucherie Cachère Shapiro | Butcher Shops | facebook.com |
| Boucherie Champfleuri Inc | Butcher Shops | champfleuri.ca |
| Boucherie Charcuterie Vito | Butcher Shops | — |
| Boucherie Chevaline Sélect | Butcher Shops | pages.infinit.net |
| Boucherie Des Erables | Butcher Shops | boucheriedeserable.com |
| Boucherie Des Faubours | Butcher Shops | facebook.com |
| Boucherie Du Marche | Butcher Shops | facebook.com |
| Boucherie Du Marché | Butcher Shops | — |
| Boucherie Dupuy Inc | Butcher Shops | — |
| Boucherie El-Farahe | Butcher Shops | facebook.com |
| Boucherie Emard | Butcher Shops | — |
| Boucherie Farhat Côte-Vertu Inc | Butcher Shops | facebook.com |
| Boucherie George Distribution | Butcher Shops | facebook.com |
| Boucherie Grinder | Butcher Shops | boucheriegrinder.ca |
| Boucherie La Gibecière | Butcher Shops | facebook.com |
| Boucherie La Gibecière 2002 | Butcher Shops | — |
| Boucherie Lagacé & Fils Inc | Butcher Shops | facebook.com |
| Boucherie Les 2 Frères | Butcher Shops | boucherie2freres.com |
| Boucherie Magnan | Not Profit, Restaurants | — |
| Boucherie Marché Mevlana | Butcher Shops | facebook.com |
| Boucherie Mile-End Butcher Co | Butcher Shops | facebook.com |
| Boucherie Mondiale | Butcher Shops | boucheriemundial.ca |
| Boucherie Monsieur Steak | Butcher Shops | boucheriemontreal.com |
| Boucherie Nile Eng | Butcher Shops | — |
| Boucherie Nk Jean Talon | Butcher Shops | — |
