| Communications Santé 2.0 | Life Sciences and Health Technologies (LSHT) | esantecommunication.com |
| Compro Communications | Tout Entreprises et services | comprotel.com |
| Condominium Carré St-Louis I | Real Estate Offices, Courtier immobilier | facebook.com |
| Condos Dumont | Real Estate Offices, Courtier immobilier | facebook.com |
| Construction B Ruel | Building Contractors | — |
| Construction Garoy Inc. | Tout Entreprises et services | garoy.com |
| Construction Lemelin | Home Improvement | — |
| Coop Carbone | Tout Communautés et société | coopcarbone.coop |
| Coopérative des techniciens ambulan... | Tout Entreprises et services | ctaq.com |
| Coté Conseil Immobilier Inc | Real Estate Offices, Courtier immobilier | ccimmo.ca |
| Courtage Bellevue | Real Estate Offices, Courtier immobilier | — |
| Courtier Immobilier Agréé Robert Labre | Real Estate Offices, Courtier immobilier | — |
| Courtier Immobilier Sébastien Capistran | Real Estate Offices, Courtier immobilier | viacapitalevendu.com |
| Courtier Immobilier Yadira Garcia | Real Estate Offices, Courtier immobilier | remax-quebec.com |
| Courtier Marie Dussault | Real Estate Offices, Courtier immobilier | — |
| CP Tech | Tout Entreprises et services | cp-tech.ca |
| CPS Sérigraphie Inc. | Tout Entreprises et services | cpsserigraphie.com |
| Croisières AML | Tout Tourisme et hôtels | croisieresaml.com |
| Crowdsourced Testing | Information Technologies (IT) | crowdsourcedtesting.com |
| Créations MF | Tout Commerces au détail | creationsmf.com |
| Cuir Esthetica | Tout Commerces au détail | cuiresthetica.com |
| CyberConnect2 | Information Technologies (IT) | cyberconnect2.ca |
| Cégep Garneau - Formation Continue | Tout Enseignement et savoir | fc.cegepgarneau.ca |
| D A Rompre | d | — |
| D Bilodeau | d | — |
| D Blouin | d | — |
| D Breton | d | — |
| D Chenier | d | — |
| D D Astous | d | — |
| D Do | do | — |
| D Filteau | d | — |
| D Gagné | d | — |
| D Ma | ma | — |
| D Martin | d | — |
| D Mc Caughry | xc | — |
| D Pi | pi | — |
| D Po | pz | — |
| D Quinn | d | — |
| Da Ga | ga | — |
| Da Racine | da | — |
| Da Vt | da | — |
| Daniel Du Berger | du | — |
| Daniel Rg St-Rock Laflamme | rg | — |
| Danielle Themens | Real Estate Offices, Courtier immobilier | daniellethemens.com |
| Dassault Systemes (3DS) | Life Sciences and Health Technologies (LSHT) | 3ds.com |
| David Gagnon, Courtier Immobilier Agréé Da | Real Estate Offices, Courtier immobilier | — |
| Debertin agence immobilière | Real Estate Offices, Courtier immobilier | debertin.ca |
| Delux | Tout Entreprises et services | eclairagedelux.ca |
| Demers Gaston et Associés Inc | Real Estate Offices, Courtier immobilier | facebook.com |
| Denis Lorquet Courtier Immobilier | Real Estate Offices, Courtier immobilier | — |
