| DAHER LHOTELLIER AEROTECHNOLOGIES | Montréal | Aerospace |
| 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 |
| Dart Aerospace | Cavendish | Aerospace |
| DASSAULT SYSTÈMS INC. | Montréal | Aerospace |
| DCM AEROSPACE | Boisbriand | Aerospace |
| De Luxe Produits de Papier Inc. | Montréal | Tout Entreprises et services |
| DEK Canada | Pointe-Claire | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| DELORO STELLITE | Baie D'urfé | Aerospace |
| Delstar Inc | Montréal | Tout Entreprises et services |
| DEMA AÉRONAUTIQUE INC. | Montréal | Aerospace |
| Demix Construction | Pointe-Aux-Trembles | Building Contractors |
| Denis Brisebois & Fils Elect | Pointe-Aux-Trembles | Electricians |
| Derichebourg Atis - HQ | Montréal | Aerospace |
| Design Technology | Pointe-Claire | Tout Informatique et internet |
| Desrosiers Paysagiste | Pointe-Aux-Trembles | Landscaping |
| Destination Confort Spa | Pointe-Aux-Trembles | Beauty & Fitness, Hairdressers & Beauty Salons |
| DIACARB INC. (OUTILS) | Montréal | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| Diesel Spec Inc | Pointe-Saint-Charles | Tout Commerces au détail |
| Diligence Service D'Entretien | Pointe-Aux-Trembles | Cleaning Services, Cleaning Service |
| DIONYSIOS KALOYANNIS-ORAL & MAXILLOFACIAL SURGEON | Pointe-Claire | Health |
| Distribution René Giguère Inc | Pointe-Aux-Trembles | Beverage Distributors & Bottlers |
| Diversified ULBRICH Canada Inc. | Pointe-Claire | Tout Entreprises et services |
| Dolly Lash+Brow Lounge | Pointe-Claire | Beauty & Fitness, Hairdressers & Beauty Salons |
| DORVAL TECHNOLOGIES INC. | Montréal | Aerospace |
| Dr Lafond and Mandeville | Pointe-Claire | Tout Entreprises et services |
| Dr. Arie Benchetrit | Pointe-Claire | Tout Commerces au détail, Tout Entreprises et services |
| Dr. Mehran, Produits de Soins Inc. | Pointe-Claire | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Drain Fortin | Pointe-Aux-Trembles | Plumbing |
| Drainage Québécois | Pointe-Aux-Trembles | Plumbing |
| DTI-SOFTWARES | Montréal | Aerospace |
| Duro Vitres D'autos | Pointe-Aux-Trembles | Auto Glass & Windshields |
| Dynacast (Canada) Inc. | Pointe-Claire | Tout Entreprises et services |
| Déneigement BH | Pointe-Aux-Trembles | Roofing |
| Déneigement Fontaine Gadbois | Pointe-Aux-Trembles | All-Terrain Vehicles |
| EADS COMPOSITES ATLANTIC LTÉE | Mirabel | Aerospace |
| EASTERN AEROCAST | Lachine | Aerospace |
| Ecostone Inc | Pointe-Claire | Cast Stone |
Publicité (Desktop) Publicité (Mobile) |
| Elevex | Pointe-Claire | Tout Entreprises et services |
| Elfe Juvenile Products | Pointe-Claire | Baby Products & Accessories |
| ELISEN TECHNOLOGIES INC. | Dorval | Aerospace |
| Emballages Richards Inc. | Pointe-Claire | Tout Entreprises et services |
| EmbVUE | Mont-Royal | Aerospace |
| EMERGIA AEROSPACE | Anjou | Aerospace |
| Energie EnCorps | Pointe-Claire | Tout Entreprises et services |
| Energie Matrix | Pointe-Claire | Life Sciences and Health Technologies (LSHT) |
| ENGRENAGE CERMAR INC. | Brossard | Aerospace |
| Ensco Avionics Canada Inc | Pointe-Claire | Aviation Consultants & Services |
