| Coulage Adams Casting Inc | Dorval | Calendars |
| Courrier Mdex | Dorval | Tout Entreprises et services |
| CP TECH INC. (CENTRE DE PLACAGE) | Montréal | Aerospace |
| CPE A Petits Pas | Dorval | Babysitting Services |
| Crossfit De L'Ouest | Dorval | Fitness Gyms |
| CS COMMUNICATION & SYSTÈMES CANADA INC. | Montréal | Aerospace |
| CVDS INC. | Pointe-Claire | Aerospace |
| D'Amour Bicycles & Sports | Dorval | Bicycle Stores |
| D.M.G. INC. (USINAGE MÉCANIQUE) | Montréal | Aerospace |
| Da Mangione Pizza Pasta Inc | Dorval | Pizza & Pizzerias |
Publicité (Desktop) Publicité (Mobile) |
| DAHER LHOTELLIER AEROTECHNOLOGIES | Montréal | Aerospace |
| Dart Aerospace | Cavendish | Aerospace |
| DASSAULT SYSTÈMS INC. | Montréal | Aerospace |
| Davanac Inc. | Dorval | Tout Entreprises et services |
| David Ho Wo Cheong | Dorval | wo |
| DCM AEROSPACE | Boisbriand | Aerospace |
| Degrémont | Dorval | Life Sciences and Health Technologies (LSHT) |
| DELORO STELLITE | Baie D'urfé | Aerospace |
| Delta Pharma Inc. | Dorval | Life Sciences and Health Technologies (LSHT), Tout Entreprises et services |
| DEMA AÉRONAUTIQUE INC. | Montréal | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| Derichebourg Atis - HQ | Montréal | Aerospace |
| Dermtek Pharmaceutique Ltée | Dorval | Life Sciences and Health Technologies (LSHT) |
| Devon Dero | Dorval | Beauty & Fitness, Hairdressers & Beauty Salons |
| Dew Auto | Dorval | Auto Part Manufacturers & Wholesalers, Automobiles, car Dealers |
| DIACARB INC. (OUTILS) | Montréal | Aerospace |
| Discovery Air Inc | Dorval | Airlines |
| Diversi-Tech Inc. | Dorval | Tout Entreprises et services |
| Domino's Pizza | Dorval | Pizza & Pizzerias |
| DORVAL | Dorval | Blue Pages |
| Dorval Chiropractique | Dorval | Chiropractors |
Publicité (Desktop) Publicité (Mobile) |
| Dorval Elementary | Dorval | Tout Enseignement et savoir |
| DORVAL TECHNOLOGIES INC. | Montréal | Aerospace |
| Double Pizza | Dorval | Pizza & Pizzerias |
| Dow Chemical Canada Inc | Dorval | Chemicals |
| Dr. Normand Bach Orthodontiste Mont... | Dorval | Tout Entreprises et services |
| DS Performance Inc | Dorval | Car Customizing & Accessories |
| DTI-SOFTWARES | Montréal | Aerospace |
| Dural | Dorval | Tout Entreprises et services |
| DXP Natpro | Dorval | Tout Entreprises et services |
| Déménagement Westmount Moving | Dorval | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| EADS COMPOSITES ATLANTIC LTÉE | Mirabel | Aerospace |
| EASTERN AEROCAST | Lachine | Aerospace |
| Easy-Way Ltée | Dorval | Flooring |
| ELISEN TECHNOLOGIES INC. | Dorval | Aerospace |
| EmbVUE | Mont-Royal | Aerospace |
| EMERGIA AEROSPACE | Anjou | Aerospace |
| ENGRENAGE CERMAR INC. | Brossard | Aerospace |
| Enterprise location d'autos | Dorval | Car Leasing |
| Enterprise Rent-A-Car | Dorval | Car Leasing |
| Entreprise Century Laser Inc. | Dorval | Tout Informatique et internet |
