| Consolidated Bottle Corporation | Pointe-Claire | Bottles & Jars |
| Consolidated Bottle Corporation | Pointe-Claire | Bottles & Jars |
| Construction JN Inc | Pointe-Aux-Trembles | Home Improvement |
| Consulmac | Toronto | Computer Repair & Cleaning |
| Convergia Inc. | Pointe-Claire | Tout Entreprises et services, Tout Informatique et internet |
| Copart | Montréal | Tout Commerces au détail |
| Copiscope | Longueuil | Computer Accessories & Supplies |
| Corporation Mainbourg | Pointe-Aux-Trembles | Tout Communautés et société, Caterers |
| Couvreur Rheaume Lajeunesse Inc | Pointe-Calumet | Roofing |
| Couvreur Verdun Inc | Pointe-Aux-Trembles | Roofing |
Publicité (Desktop) Publicité (Mobile) |
| Couvreur Verdun Roofing Inc. | Montréal | Tout Entreprises et services |
| Covidien Canada | Pointe-Claire | Life Sciences and Health Technologies (LSHT) |
| CPAP Montreal Respiart | Pointe-Claire | Tout Commerces au détail |
| Crazy about CupCakes | Pointe-Claire | Tout Commerces au détail |
| Creative Imaging | Montréal | Computer Graphics Design & Animation |
| Cristal Plus Inc. | Pointe-Claire | Cleaning Services, Cleaning Service |
| Créations Plastique Formplast Inc. | Montréal | Tout Entreprises et services |
| CSA Group | Pointe-Claire | Tout Entreprises et services |
| CST Consultants | Montréal | Computer Consultants |
| Cuisine Set Inc | Pointe-Aux-Trembles | Kitchen Cabinets |
Publicité (Desktop) Publicité (Mobile) |
| Cummins Est du Canada Inc. | Pointe-Claire | Tout Entreprises et services |
| CVDS INC. | Pointe-Claire | Aerospace |
| Cyberlogic | Montréal | Computer Repair & Cleaning |
| Cyberlogic | Montréal | Computer Repair & Cleaning |
| Câblage Expert | Sainte-Rose | Cabling Equipment & Supplies |
| Câblage FB Enrg | Auteuil | Cabling Equipment & Supplies |
| Câblage Filotech | Pointe-Aux-Trembles | Cabling Equipment & Supplies |
| Câblages Syl-Tech | Sainte-Catherine | Cabling Equipment & Supplies |
| Céramique 45 | Pointe-Aux-Trembles | Ceramic Tile Installers & Contractors |
| Céramique Fine Pointe | Beloeil | Ceramic Tile Installers & Contractors |
Publicité (Desktop) Publicité (Mobile) |
| Céramique VT | Pointe-Aux-Trembles | Ceramic Tile Installers & Contractors |
| Dahlia | Pointe-Claire | Beauty & Fitness, Hairdressers & Beauty Salons |
| Dahlia Canada | Pointe-Claire | Tout Entreprises et services |
| Daniel Cooper Avocat Lawyer | Pointe-Claire | Tout Entreprises et services |
| Daniel Robert Terrassement (entrepreneur général) | Pointe-Aux-Trembles | Landscaping |
| Darwin Dimensions Inc | Montréal | Computer Graphics Design & Animation |
| Data Donnees | Montréal | Computer Data Recovery |
| Datrox Computer Technologies Inc. | Montréal | Tout Informatique et internet |
| Dauphin Technologie | Laval | Computer Data Processing |
| Dauphin Technologie Quebec | Laval | Computer Data Processing |
Publicité (Desktop) Publicité (Mobile) |
| De Luxe Produits de Papier Inc. | Montréal | Tout Entreprises et services |
| Dealer Live Inc | Longueuil | Computer Networking |
| Decision One | Montréal | Computer Data Processing |
| DEK Canada | Pointe-Claire | Tout Entreprises et services |
| Delstar Inc | Montréal | Tout Entreprises et services |
| Demix Construction | Pointe-Aux-Trembles | Building Contractors |
| Dempton Solutions Technologiques Inc | Montréal | Computer Consultants |
| Denis Brisebois & Fils Elect | Pointe-Aux-Trembles | Electricians |
| Design Technology | Pointe-Claire | Tout Informatique et internet |
| Designorganik | Montréal | Computer Graphics Design & Animation |
