| Avataq Institut Culturel | Westmount | Arts & Cultural Organizations & Centres |
| Avec Plaisir | Delson | Chartered Administrators |
| Avenue Des Arts | Westmount | Art Materials & Supplies |
| Avid Technology | Montréal | Information Technologies (IT) |
| Avid Technology | Montréal | Information Technologies (IT) |
| Axion Acupuncture Clinic | Westmount | Acupuncturists |
| Babar En Ville | Westmount | Book Stores |
| Bagels on Greene | Westmount | Bagels |
| BancTec Canada | Montréal | Information Technologies (IT) |
| Bantam Materials International | Westmount | Chemicals |
Publicité (Desktop) Publicité (Mobile) |
| Baron Abrams | Westmount | Business Lawyers |
| Baron Realty / Immobilier Baron | Westmount | Tout Entreprises et services |
| Bavaria Medizin Technology | Boucherville | Life Sciences and Health Technologies (LSHT) |
| Ben & Tournesol | Westmount | Tout Commerces au détail |
| Benson Joan | Westmount | Business Lawyers |
| Bibliothèque publique de Westmount | Westmount | Tout Enseignement et savoir |
| Biofeed Technology Inc. | Brossard | Tout Entreprises et services |
| Bishop Mercier | Westmount | Roofing |
| Bitcoin Embassy | Montréal | Information Technologies (IT) |
| Blepharoplastie Montreal | Westmount | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Blockstream | Montréal | Information Technologies (IT) |
| Boutique Intermix Inc | Westmount | Boutiques |
| Boutique Made In Italy | Westmount | Boutiques |
| Boutique Mulligan | Westmount | Boutiques |
| Brave Comix Librairie | Westmount | Book Stores |
| Brunet C.C.Bertrand, K. Tourigny, pharm. prop. Affiliées | Delson | Pharmacy |
| BUSINESS & DÉCISION AMÉRIQUE DU NORD | Ile Perrot | Information Technologies (IT) |
| C Couture | Westmount | Couture, COUTURE |
| Cabine à Peinture Laflamme Air Libre | Delson | Auto Body Shop |
| Cait Soper Massage Therapist | Westmount | Massage Therapy |
Publicité (Desktop) Publicité (Mobile) |
| California Closets | Westmount | Closet Organizers & Accessories |
| Can World Consult (Press) | Westmount | Cans |
| Canac Kitchen Cabinet | Westmount | Kitchen Cabinets |
| Canadian Friends of the Hebrew Univ... | Westmount | Tout Enseignement et savoir |
| Candiac Hair | Delson | Beauty & Fitness, Hairdressers & Beauty Salons |
| Carefile Medical Systems, Inc. | Westmount | Life Sciences and Health Technologies (LSHT), Tout Informatique et internet |
| Carlson Wagonlit Travel | Westmount | Airline Ticket Agencies |
| Caro Sylvio Dr | Westmount | Dentists |
| Caron Charles | Delson | Assembly & Fabricating Services |
| CARSTAR Candiac | Delson | Auto Body Shop Equipment & Supplies |
Publicité (Desktop) Publicité (Mobile) |
| Casewise Opérations Canada Inc | Montréal | Information Technologies (IT) |
| Castor Technologies Corporation | Montréal | Computer & Technology Assistance Programs |
| Cavallaro Westmount | Westmount | Cheese |
| CCL Financial Inc | Montréal | Collection Agencies |
| CD Solutions | Delson | Tout Commerces au détail |
| Centre de Chirologie | Westmount | Astrologers & Psychics |
| Centre Dentaire Pizem Westmount Inc Dr | Montréal | Dentists |
| Centre Greene | Westmount | Tout Communautés et société |
| Centre médical Westmount | Westmount | Tout Entreprises et services |
| Centre Médical Westmount | Montréal | Medical Clinics |
