| Centre Professionnel Grégoire & Boudreault | Repentigny | Physiotherapy |
| Cerco Câble Inc. | Dorval | Tout Entreprises et services |
| Cesmic Group Ltd | Brossard | Computer Room Setup, Protection, Equipment & Maintenance |
| CF Cable tv inc | Montréal | Cable TV Providers |
| CGI | Montréal | Information Technologies (IT), Tout Informatique et internet, Computer Networking, Computer Consultants |
| Chambre de commerce de la MRC de L'... | Repentigny | Tout Entreprises et services |
| Chauffeeau.Quebec - Installation Et Réparation | Montréal | Plumbing |
| Chiro-Clinique Le Gardeur | Repentigny | Chiropractors |
| CIENOV | Repentigny | Life Sciences and Health Technologies (LSHT) |
| CITP Database Services | Montréal | Computer Data Processing |
Publicité (Desktop) Publicité (Mobile) |
| CJNT TV Cable 14, J. Kokkonas | Montréal | Blue Pages |
| Claudette Fleuriste Enrg | Repentigny | Artificial Flower & Plant Arrangements |
| CLG Computer Consultants Inc. | Saint-Henri | Tout Entreprises et services |
| Clicpomme | Montréal | Tout Informatique et internet, Computer Consultants |
| Clinique Accès-Chiropratique | Repentigny | Chiropractors |
| Clinique Chiropratique de Repentigny | Repentigny | Chiropractors |
| Clinique De Physiothérapie Physiotech | Repentigny | Physiotherapy |
| Clinique Dermato-Esthétique Dr Alain Dansereau | Repentigny | Medical Clinics |
| Clinique Du Boise | Repentigny | Medical Clinics |
| Clinique Médicale des Affluents | Repentigny | Medical Clinics |
Publicité (Desktop) Publicité (Mobile) |
| Clinique Médicale L.g. | Repentigny | Medical Clinics |
| Clinique Médicale L.g. | Repentigny | Medical Clinics |
| Clinique NL | Repentigny | Chiropodists |
| Clinique Orthodontique Venne | Repentigny | Medical Clinics |
| Clinique Physio-Ostéo + | Repentigny | Physiotherapy |
| Clinique Santé Lanaudière | Repentigny | Medical Clinics |
| CliqueIA Tech INC | Montréal | Computer Consultants |
| Cloudops | Montréal | Tout Informatique et internet, Computer Consultants |
| CloudOps | Montréal | Computer Consultants |
| CloudOps | Montréal | Computer Repair & Cleaning |
Publicité (Desktop) Publicité (Mobile) |
| Clé en main Informatique | Montréal | Computer Networking |
| Clôture Summum | Repentigny | Tout Entreprises et services |
| Clôtures pour Piscines | Ste-Rose | Tout Entreprises et services |
| Cmyktoner | Côte Saint-Luc | Computer Networking |
| Cna | Montréal | Computer Consultants |
| Cocoapp | Montréal | Computer Consultants |
| Cogeco Cable | Montréal | Cable TV Providers |
| Cogeco Cable Quebec S E N C | Montréal | Cable TV Providers |
| cogeco Connexion Epon-Nicolas Samson Np | Trois-Rivières | np |
| Cogeco Inc | Marie | Cable TV Providers |
Publicité (Desktop) Publicité (Mobile) |
| Cogeco Inc Siège Social | Montréal | Cable TV Providers |
| Cogeco Peer 1 - Montreal (downtown) | Montréal | Information Technologies (IT) |
| Cogeco Peer 1 - Montreal (Kirkland) | Kirkland | Information Technologies (IT) |
| Cogia | Montréal | Computer Consultants |
| Combustible | Montréal | Computer Networking |
| Commerce Montex | Montréal | Computer Room Setup, Protection, Equipment & Maintenance |
| Commission des Services Electriques de Montréal | Montréal | Cable TV Providers |
| Communication Idéale Inc. | Repentigny | Tout Entreprises et services |
| Communications Idéales Inc. | Repentigny | Tout Commerces au détail |
| Communitec | Saint-Hubert | Cable Installation, Splicing & Detection |
