| Dy Ge | Laval | ge |
| Dyfotech Inc. | Delson | Tout Entreprises et services |
| DYJ Accounting & Tax Services | Montréal | Accounting Services |
| Dymedso Inc. | Boisbriand | Life Sciences and Health Technologies (LSHT) |
| Dynacare | Saint-Hubert | Tout Entreprises et services |
| Dynacare Avenir | Montréal | Life Sciences and Health Technologies (LSHT) |
| Dynacare Next | Montréal | Life Sciences and Health Technologies (LSHT) |
| Dynacast (Canada) Inc. | Pointe-Claire | Tout Entreprises et services |
| Dynacom Technologies | Ste-Rose | Tout Informatique et internet |
| Dynamic Business Forms | Dollard Des Ormeaux | Business Forms & Systems |
Publicité (Desktop) Publicité (Mobile) |
| Dynamic Clean Solutions | Côte Saint-Luc | Cleaning Services, Cleaning Service |
| Dynamic Group Inc | Montréal | Cement Manufacturers & Wholesalers |
| Dynamic International Ltd | Montréal | Tout Bars et restaurants, Tout Entreprises et services |
| Dynamic Performance Auto Inc | Chambly | Balancing Service |
| Dynamic Water Control Gates Inc. | Dollard Des Ormeaux | Tout Entreprises et services |
| Dynamik | Montréal | Advertising Agencies |
| Dynastie Royale | Longueuil | Beauty & Fitness, Hairdressers & Beauty Salons |
| Dynastie Salon De Beaute | Montréal | Beauty & Fitness, Hairdressers & Beauty Salons |
| Dynatech Services de Gestion de l'Énergie Inc | Montréal | Electricians |
| Dynax Physio | Montréal | Physiotherapy |
Publicité (Desktop) Publicité (Mobile) |
| Dyno Nobel Ltée | Boisbriand | Tout Entreprises et services |
| Dysphasie Québec | Québec | Tout Communautés et société |
| Auto Dyl-An Inc. | Montréal | Automobiles, car Dealers |
| Benjamin Dy | Kirkland | dy |
| Club d'Athlétisme Dynamique de Laval | Vimont Et Auteuil | Tout Arts et divertissement |
| Coaching Dynamis - Dynamis Strength - Private Personal Training in Montreal - Gym Privé | Montréal | Fitness Gyms |
| Coiffeuse Mobile Dyanne | Drummondville | Beauty & Fitness, Hairdressers & Beauty Salons |
| Coiffure Dy-Annie | Saint-Hubert | Beauty & Fitness, Hairdressers & Beauty Salons |
| Coiffure Dynamic | Terrebonne | Beauty & Fitness, Hairdressers & Beauty Salons |
| Cowan Dynamics Inc | Montréal | Tout Entreprises et services, Automation Consultants |
Publicité (Desktop) Publicité (Mobile) |
| Câblage Dynamique Inc | Montréal | Cable TV Providers |
| Céramique Dynamique Inc. | Laval | Ceramic Tile Installers & Contractors |
| Des mots d'la dynamite | Montréal | Tout Arts et divertissement |
| Duro Dyne Canada Inc. | Lachine | Tout Entreprises et services |
| Ebénisterie Dynabilt | Montréal | Cabinet Makers |
| Entretien Ultra Dynamic | Montréal | Cleaning Services, Cleaning Service |
| Garage David Dyotte | Montréal | Garage Auto |
| General Dynamics Information Technology | Montréal | Information Technologies (IT) |
| GLG Naturo-Dynamique Inc. | Pierre D'iberville | Life Sciences and Health Technologies (LSHT) |
| Groupe Dynamite Boutique Inc. | Mont-Royal | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Groupe Dynamo inc | Montréal | Building Contractors |
| Importation Casa Dynasty Inc. | Riviere-Des-Prairies | Tout Commerces au détail |
| Laboratoires médicaux Gamma-Dynacare | Montréal | Life Sciences and Health Technologies (LSHT) |
| Majestic Dyer Inc | Montréal | Cleaning Services, Cleaning Service |
| Mines d'or Dynacor Gold Mines | Centre-Ville | Tout Entreprises et services |
| Neuro Dynamique | Repentigny | Chiropractors |
| Peintres Dynamex Inc | Montréal | Painters |
| Physio Dynamik | Brossard | Physiotherapy |
| Sophith Dy | Saint-Jean-Sur-Richelieu | dy |
| Spotless dynamics Cleaning Services | Montréal | Cleaning Services, Cleaning Service |
