| Cuisine Royal | Kitchen Cabinets | royalceramic.com |
| Cuisines Alpin | Kitchen Cabinets | cuisinesalpin.com |
| Cusmano Communications Inc | Advertising Agencies | cusmano.com |
| Célébrations Limousines | Chauffeur Services | limousine-celebrations.com |
| Céramique & Marbre Mondial | Ceramic Tile Manufacturers & Distributors | mondial.ca |
| Céramique Tilmar Internationale Inc | Flooring | tilmar.ca |
| D&M Solution Comptable | Accounting Services | — |
| D&M Solutions Comptables Inc | Accounting Services | — |
| Damo Electrique Inc | Electricians | damoelectriqueinc.placeweb.site |
| Dan Expert Pro | Cleaning Services, Cleaning Service | danexpertpro.com |
| Dansim Inc | Home Improvement | dansim.ca |
| Dante School | Tout Enseignement et savoir | emsb.qc.ca |
| Daubois Inc. | Tout Entreprises et services | daubois.com |
| Delta Furniture Online | Tout Entreprises et services | deltafurniture.com |
| DeSerres Saint-Léonard | Art Materials & Supplies | deserres.ca |
| Di Feo R | Landscaping | facebook.com |
| Did Communications Ltee | Advertising Agencies | facebook.com |
| Dilatech Inc | Home Improvement | dilatech.ca |
| Dima Froid Inc | Air Conditioning Systems & Parts | dimafroid.org |
| Dist Café William Spartivento inc | Coffee Break Services & Supplies | pausecafejade.ca |
| Distribution Rimaz | Cakes | facebook.com |
| Distribution Wenro Inc | Arts & Crafts Stores | northforkbison.com |
| Distributions Européennes Canada In... | Tout Entreprises et services | deci.ca |
| Distributions Galaxie | Balloons | facebook.com |
| Distributrices Pause Café Unique | Coffee Break Services & Supplies | facebook.com |
| Dlpautosport | Auto Body Shop | dlpautosport.com |
| Docteur | Dentists | — |
| Dolce Vita Bakery | Bakeries | dolcevitabakery.ca |
| DomcOr | Flooring | facebook.com |
| Domiane Choisy Inc | Apartments | facebook.com |
| Dr Bruno L De Minico | Dentists | deminicodentaire.com |
| Dr Lino Di Lullo | Health Services | maxillo3d.com |
| Dr Media | Advertising Agencies | — |
| Dr Michael De Minico | Automobiles, Dentists, Not Profit | deminicodentaire.com |
| DS Comptabilité & Fiscalité Inc. | Accountants | dscomptabilite.ca |
| Duromax Roofing | Roofing | facebook.com |
| Duy Minh Ta | ta | — |
| DZ Plomberie Tech | Plumbing | dzplomberie.ca |
| Débosselage Cali | Auto Body Repair & Painting Shops | debosselagecali.fr.gd |
| Déco Surfaces | Sol-Innov + | Flooring | facebook.com |
| Déménagement Lyonnais Inc | Building & House Movers | facebook.com |
| Déménagement économique Alex | Tout Entreprises et services | demenagement-alex.ca |
| E C Electric Regd | Electricians | facebook.com |
| Ebenisterie Architectura | Architects | — |
| Ebénisterie Ebénart et les Entreprises Éléganzia | Cabinet Makers | ebenart.ca |
| Echo ConFort Chauffage Climatisation | Air Conditioning Systems & Parts | — |
| Ecoelectro | Appliance Repair & Service | — |
| Ecoelectromenager | Air Conditioning Repair & Cleaning | — |
| Ecole De Conduite Chabouni | Advertising Agencies | — |
| Electrique Amenzo Inc | Electricians | facebook.com |
