| D&R Auto | Montréal | Auto Body Shop |
| D'Amico Transport Inc | Montréal | Bus & Coach Rental & Charter |
| D'Amour Bicycles & Sports | Dorval | Bicycle Stores |
| D'Arcy Art & Antiques | Montréal | Antique Dealers |
| D'Avignon Marc | Montréal | Bankruptcy Lawyers |
| D'Errico Arturo | Montréal | Painters |
| D'un Battement de Cils | Montréal | Beauty & Fitness, Hairdressers & Beauty Salons |
| D'Urbano Design | Montréal | Commercial Artists |
| D-Bar Paysagement | Montréal | Landscaping |
| D-Box | Longueuil | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| D-Tail Lab | Saint-Hubert | Chemicals |
| D-Tech Electriques | Montréal | Electricians |
| D. ALEVETSOVITIS W. EL-CHAYED Pharmacie | Montréal | Health |
| D. M. Valve & Controls Inc. | Montréal | Tout Entreprises et services |
| D. Milne Tailors (Caps And Gowns) | Montréal | Caps & Gowns |
| D.I.M. Stone | Pierrefonds | Tout Entreprises et services |
| D.J. Transport Inc. | Kirkland | Tout Entreprises et services |
| D.L.G.L. Ltée. | Blainville | Tout Entreprises et services |
| D.M.G. INC. (USINAGE MÉCANIQUE) | Montréal | Aerospace |
| D.P. Leduc Paysagement Landscaping | Montréal | Landscaping |
Publicité (Desktop) Publicité (Mobile) |
| D.R. Design Inc | Montréal | Aluminum |
| D2 Technologie Inc | Greenfield Park | Appliance Manufacturers & Wholesalers |
| D?Angelo And Sons Roofing | Montréal | Roofing |
| Da Ab | Sainte-Thérèse | ab |
| Da At | Laval | at |
| Da Ga | Québec | ga |
| Da Mangione Pizza Pasta Inc | Dorval | Pizza & Pizzerias |
| Da Novias | Laval | Bridal Shops |
| Da Racine | Québec | da |
| Da Te | Montréal | te |
Publicité (Desktop) Publicité (Mobile) |
| Da Vt | Québec | da |
| DAC Aviation International | Lasalle | Aircraft Maintenance, Service & Storage |
| Dac Aviation International | Lasalle | Aircraft Maintenance, Service & Storage |
| DAC Aviation International Limitée | Lasalle | Aircraft Maintenance, Service & Storage |
| DAC Group | Saint-Henri | Tout Entreprises et services |
| DAC International Aviation Ltd | Montréal | Aircraft Maintenance, Service & Storage |
| Daca Automobiles | Montréal | Automobiles, Car Repair |
| Dacima Software | Alexis-Nihon | Life Sciences and Health Technologies (LSHT) |
| DaDa Communications | Montréal | Communications & Public Relations Consultants |
| Daddy Voyance | Montréal | Astrologers & Psychics |
Publicité (Desktop) Publicité (Mobile) |
| Dafco Electrique Maïtre Electricien | Montréal | Electricians |
| Dafco Filtration | Montréal | Air Purifiers |
| Dafi Cool | Montréal | Air Conditioning Contractors |
| Dagil | Montréal | Bathroom Accessories |
| Dagua | Montréal | Life Sciences and Health Technologies (LSHT) |
| Dagwoods Sandwichs et Salades | Notre-Dame-De-Grâce | Tout Bars et restaurants |
| DAHER LHOTELLIER AEROTECHNOLOGIES | Montréal | Aerospace |
| Dahlia | Pointe-Claire | Beauty & Fitness, Hairdressers & Beauty Salons |
| Dahlia Canada | Pointe-Claire | Tout Entreprises et services |
| Daigneau Eau de Source Naturelle | Montréal | Bulk & Bottled Water |
