| Day & Ross | Lachine | Tout Entreprises et services |
| Daytrader Canada Inc. | Brossard | Business & Trade Organizations |
| Debra Wi | Lachine | wi |
| Decalco Design | Longueuil | Business Centres |
| Dentons Canada LLP | Montréal | Business Lawyers |
| Desjardins | Lachine | Caisses Populaires |
| DHC Avocats | Montréal | Business Lawyers |
| Digi-Presse | Montréal | Business Centres |
| Dimex Trading Inc | Montréal | Business & Trade Organizations |
| Dion Paul Emile | Montréal | Business & Trade Organizations |
Publicité (Desktop) Publicité (Mobile) |
| Directed Electronics | Lachine | Tout Commerces au détail |
| Directed Electronics Canada Inc | Lachine | Car Alarm Systems |
| Directed Electronics Canada Inc | Lachine | Car Alarm Systems |
| Directed Electronics Canada Inc | Lachine | Car Alarm Systems |
| Distributions Multiples Jfb | Saint-Hubert | Business Centres |
| DL Rénovation | Lachine | Home Improvement |
| Dok Station | Bishop | Startup Ecosystem, Business Centres |
| Donati Maisonneuve | Montréal | Business Lawyers |
| Dor Docteur | Lachine | Tout Entreprises et services |
| Dorex | Lachine | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Dorey Michael | Montréal | Business Lawyers |
| Doverco Inc. | Lachine | Tout Entreprises et services |
| Doxasteel Inc | Saint-Hubert | Business & Trade Organizations |
| Doyon Et Associes Inc | Montréal | Business Lawyers |
| Dr Amanda Cristinziano | Lachine | Dentists |
| Drainspection inc. - Plombier, Débouchage de drain Lachine | Montréal | Plumbing |
| Dre Nathalie Leduc | Lachine | Dentists |
| droitdesaffaires.com | Saint-Bruno | Business Lawyers |
| Dtech Pro | Lachine | Computer Repair & Cleaning |
| Dubo Rénove Inc | Lachine | Home Improvement |
Publicité (Desktop) Publicité (Mobile) |
| Dumoulin Groupe Electronique | Saint-Bruno | Business Centres |
| Dupuis Jean | Montréal | Business Lawyers |
| Duranleau Stéphane Avocat | Saint-Hubert | Business Lawyers |
| Duro Dyne Canada Inc. | Lachine | Tout Entreprises et services |
| Dynamic Business Forms | Dollard Des Ormeaux | Business Forms & Systems |
| Déménagement Wind Movers | Lachine | Building & House Movers |
| EASTERN AEROCAST | Lachine | Aerospace |
| Eaton | Lachine | Tout Entreprises et services |
| Economie Familiale Villani | Lachine | Appliance Repair |
| EcoProTek | Lachine | Building Contractors |
Publicité (Desktop) Publicité (Mobile) |
| Edilex Inc | Laval | Business Lawyers |
| Egerex Canada | Lachine | Chartered Professional Accountants (CPA) |
| EGR Inc. | Montréal | Business Insurance |
| Ekwest Solutions Interactives | Montréal | Business Centres |
| ELCO Assurances Inc | Brossard | Business Insurance |
| Electrika Inc | Lachine | Electricians |
| Elroro Inc | Lachine | Airport Parking |
| Emergency Response - Monitoring | Lachine | Answering Machines & Equipment |
| Empire Fitness Lachine - XFit & Danse | Lachine | Fitness Gyms |
| Enseicom | Lachine | Tout Commerces au détail |
