| Carlson Wagonlit Travel | Airline Ticket Agencies | — |
| Caro Sylvio Dr | Dentists | carosylviodr.ourdoctor.ca |
| Cavallaro Westmount | Cheese | facebook.com |
| Centre de Chirologie | Astrologers & Psychics | birlacenter.com |
| Centre Greene | Tout Communautés et société | centregreene.org |
| Centre médical Westmount | Tout Entreprises et services | westmountmedicalbuilding.ca |
| Centre Médical Westmount Square | Medical Clinics | — |
| Charlotte & Gabrielle | Clothing Stores | facebook.com |
| Chertkow, Howard | Health Services | facebook.com |
| Cheveux Extrêmes Inc | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Cheveux ExtrĂŞmes/Extreme Hair | Beauty Salon Equipment & Supplies | facebook.com |
| Chez Nick | Tout Bars et restaurants | cheznick.ca |
| Chubikphysio | Physiotherapy | — |
| Clinique Dentaire Claremont | Dentists | hellodent.com |
| Clinique Esthétique Et Coiffure Dermadiba | Beauty & Fitness, Hairdressers & Beauty Salons | dermadiba.com |
| Clinique Intersanté Westmount | Health Services | intersante.ca |
| Clinique Mocca | Health and Beauty | — |
| Club de Boulingrin de Westmount Lawn Bowling C lub | Bowling | bowlswestmount.ca |
| Coach Luxury | Tout Commerces au détail | coachluxury.com |
| Coiffure Jean John | Beauty & Fitness, Hairdressers & Beauty Salons | coiffurejeanjohn.com |
| Collage Pediatric Therapy | Medical Clinics | collagetherapies.ca |
| Collège International de Marcelline | Tout Enseignement et savoir | villa.marcelline.qc.ca |
| Collège Unica | Tout Enseignement et savoir | musitechnic.com |
| Communicor | Advertising Agencies | facebook.com |
| Cornell Trading Ltd. | Tout Commerces au détail | aprilcornell.com |
| Corporatek | Tout Informatique et internet | corporatek.com |
| Corporation Financiere MR | Tout Entreprises et services | mrgp.ca |
| Crowe BGK | Tout Entreprises et services | crowe.com |
| Davicci | Boutiques | — |
| Dawson College | Tout Enseignement et savoir | dawsoncollege.qc.ca |
| Decarel Inc. | Tout Entreprises et services | decarel.com |
| Deutschman Design Inc. | Tout Entreprises et services | deutschmandesign.com |
| DG Entertainment | Tout Enseignement et savoir, Tout Entreprises et services | dgstudio77.com |
| Dh Tingley | dh | — |
| Dlux Design Concepts | Fitness Gyms | — |
| Doo Salon | Beauty & Fitness, Hairdressers & Beauty Salons | weblocal.ca |
| Dorais André R | Bankruptcy Lawyers | — |
| Dorel | Tout Entreprises et services | dorel.com |
| Dr Claudia Giambattistini | Dentists | facebook.com |
| Dr David Auerbach | Dentists | facebook.com |
| Dr David Baker | Dentists | — |
| Dr Marcelo Bercovici | Dentists, Tout Entreprises et services | sourire.ca |
| Dr Nabil Fanous | Tout Entreprises et services | dr-nfanous.com |
| Dr Richard H Rapoport | Dentists | — |
| Dr Rosanne Kozloff | Dentists | facebook.com |
| Dr Tse Quinbert | Automobiles, Dentists, Not Profit | drquinberttse.ca |
| Dr. Arthur Swift | Tout Entreprises et services | swiftbeauty.com |
| Dr. Danny Gagnon, Psychologue | Tout Entreprises et services | montrealcbtpsychologist.com |
| Dr. Nabil Fanous, Rhinoplastie Ă Mo... | Tout Entreprises et services | rhinoplastie-montreal.com |
| Drymer Earl H | Bankruptcy Lawyers | — |
