| Couverture De La Rive-Nord | Roofing | couverturerivenord.com |
| Couvreur Couv-Toit | Tout Entreprises et services | couvreurcouvtoit.com |
| Couvreur Couv-Toit Laval | Tout Entreprises et services | couvreurcouvtoit.com |
| Couvreur GP Inc | Roofing | couvreurgp.ca |
| COUVREURCOUV-TOIT | Construction / Renovation | couvreurscouvtoit.com |
| COUVREURS DEMOS / DEMOS ROOFING | Construction / Renovation | — |
| Couvreurs JARRY inc. | Construction / Renovation | — |
| CPE Fleurs du Quartier Inc | Babysitting Services | facebook.com |
| CRDITED de Laval | Physiotherapy | crdinl.qc.ca |
| CRDITED de Laval | Physiotherapy | — |
| CRDITED de Laval | Physiotherapy | facebook.com |
| Creative Production | Camera & Photo Equipment Stores | facebook.com |
| Cristal Et Billes | Arts & Crafts Stores, Beads, Beads & Pearls | cristaletbilles.com |
| Croesus | Information Technologies (IT) | croesus.com |
| Croesus Finansoft Inc. | Tout Informatique et internet | croesus.com |
| Crossfit 1426 | Fitness Gyms | facebook.com |
| Crossfit Ccm | Fitness Gyms | facebook.com |
| Créaform | Information Technologies (IT) | creaform3d.com |
| Création Naima | Clothing Alterations | — |
| Créations Vézina | Bridal Shops | creationsvezina.com |
| Csbe | Co-operative Organizations | — |
| Cuisine 3dgroupca | Furniture Stores | 3dgroupca.com |
| Cuisine Amir | Agri-food | restoamir.com |
| Cuisine DLM | Kitchen Cabinets | — |
| Custom Diamond | Commercial Kitchen Equipment | diamond-group.com |
| Cyclo Sport Laval | Bicycle Stores | cyclosportlaval.com |
| Cyn's Sugar Factory | Bakeries | facebook.com |
| Cédrière Barbe - Haies de Cèdre | Christmas Trees | lacedrierebarbe.com |
| Céramique Dynamique Inc. | Ceramic Tile Installers & Contractors | instagram.com |
| D Events Flowers Balloons | Balloons | deventsflowersballoons.com |
| D Ge | ge | — |
| Da At | at | — |
| Da Novias | Bridal Shops | danovias.com |
| Dan Tr | tr | — |
| Daniel Cloutier Photographe | Tout Entreprises et services | danielcloutier.com |
| Daniel Richard | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| Darkzone | Amusement Places | darkzone.ca |
| Das Detail | Car Detailing | facebook.com |
| Datacom | Information Technologies (IT) | datacom.com |
| Dauphin Technologie | Computer Data Processing | dauphintechnologie.com |
| Dauphin Technologie Quebec | Computer Data Processing | dauphintechnologie.com |
| David Carignan Entretien Horticole | Landscaping | — |
| David Gaubiac | Tout Entreprises et services | dave-photo.com |
| Davis Refrigeration Regd | Commercial Refrigeration Sales & Services | facebook.com |
| Debosselage & Peinture Ararad | Auto Body Shop | — |
| Deco Elma | Home Improvement | facebook.com |
| Deco-Desing Extreme | Painters | — |
| Dees Beauty Salon | Beauty & Fitness, Hairdressers & Beauty Salons | deesbeauty.com |
| Dek-Kor Ceramique (Les Importations) | Ceramic Tile Manufacturers & Distributors | dekkor.ca |
| DEK-KOR Céramique | Construction / Renovation | — |
