| Centre Professionnel Grégoire & Boudreault | Repentigny | Physiotherapy |
| CenturyLink Technology Solutions | Montréal | Information Technologies (IT) |
| Cesmic Group Ltd | Brossard | Computer Room Setup, Protection, Equipment & Maintenance |
| CFMB 1280 AM/ M. TELLIDES | Montréal | Blue Pages |
| 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 |
| Chiro-Clinique Le Gardeur | Repentigny | Chiropractors |
| CIENOV | Repentigny | Life Sciences and Health Technologies (LSHT) |
| CITP Database Services | Montréal | Computer Data Processing |
| CKDG | Montréal | Blue Pages |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Clinique Médicale L.g. | Repentigny | Medical Clinics |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Club PVRH Centre d'Assistance Resso... | Brossard | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Clé en main Informatique | Montréal | Computer Networking |
| Clôture Summum | Repentigny | Tout Entreprises et services |
| Cmyktoner | Côte Saint-Luc | Computer Networking |
| Cna | Montréal | Computer Consultants |
| Co-operators Compagnie d'Assurance | Montréal | Information Technologies (IT) |
| Cocoapp | Montréal | Computer Consultants |
| Cogia | Montréal | Computer Consultants |
| Coin Acceptors Inc | Montréal | Information Technologies (IT) |
| Combustible | Montréal | Computer Networking |
| Commerce Montex | Montréal | Computer Room Setup, Protection, Equipment & Maintenance |
Publicité (Desktop) Publicité (Mobile) |
| Communication Idéale Inc. | Repentigny | Tout Entreprises et services |
| Communications Idéales Inc. | Repentigny | Tout Commerces au détail |
| Compass Minerals Canada Corp | Repentigny | Agri-food |
| Compresseurs G D G Inc Les | Repentigny | Compressors |
| Compumatik | Montréal | Computer Repair & Cleaning |
| Computer sciences corporation | Montréal | Information Technologies (IT) |
| Computershare Trust Company of Canada | Montréal | Information Technologies (IT) |
| Conception Tekni-B | Brossard | Computer & Technology Assistance Programs |
| Connect&Go | Outremont | Computer Networking |
| Construction Nicolas Neveu | Repentigny | Home Improvement |
