| DEK-KOR Céramique | Laval | Construction / Renovation |
| Dekhockey Rive-Sud | Sainte-Catherine | Arenas, Stadiums & Athletic Fields |
| DekHockey St-Jérôme | Montréal | Arenas, Stadiums & Athletic Fields |
| DEL (Développement économique de l'agglomération de Longueuil) | Boucherville | Clean Technologies |
| DEL Hydraulics | Saint-Michel | Tout Entreprises et services |
| Del Negro Manlio | Montréal | Bankruptcy Lawyers |
| Del Torto Angelo & Fils | Montréal | Landscaping |
| DELAN - Solutions de Talents TI | Montréal | Tout Entreprises et services |
| Delano Design | Montréal | Tout Commerces au détail |
| Delarosbil Chaput CPA | Saint-Lambert | Accounting Services |
Publicité (Desktop) Publicité (Mobile) |
| Delarosbil Décor | Anjou | Painters |
| Delco Aviation | Laval | Aircraft & Private Jet Charter |
| Delco Entrepreneurs Electriciens Inc | Montréal | Electricians |
| Delcraft Inc | Saint-Hubert | Tout Entreprises et services |
| Delegatus services juridiques inc. | Deux-Montagnes | Tout Entreprises et services |
| Delevante Software Inc | Côte Saint-Luc | Boutiques |
| Deli 500 | Montréal | Breakfast Restaurants |
| Deli Planet | Centre-Ville | Tout Bars et restaurants |
| Delia Coiffure | Laval | Beauty & Fitness, Hairdressers & Beauty Salons |
| Delia Zu | Buckingham | zu |
Publicité (Desktop) Publicité (Mobile) |
| Delicious Bakery | Montréal | Bakeries |
| Delicis Selection | Boucherville | Candy & Confectionery Stores |
| Delisle Auto Limité | Montréal | Car Repair |
| Delisle Mathieu Avocats | Saint-Bruno | Arbitration Service |
| Delisle, Gilles | Longueuil | Audiologists |
| Dell Canada Inc | Montréal | Information Technologies (IT) |
| Dellastro | Montréal | Astrologers & Psychics |
| Delle Donne & Zuccaro Huissiers de Justice | Montréal | Bailiffs |
| Delle Donne huissier | Saint-Michel | Tout Entreprises et services |
| Delmar Chemicals | Lasalle | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| Delmar International Inc. | Blainville | Tout Entreprises et services |
| Delmare Construction | Laval | Home Improvement |
| Delom Services | Montréal | Life Sciences and Health Technologies (LSHT) |
| DELORO STELLITE | Baie D'urfé | Aerospace |
| DELPHARM MONTRÉAL INC. | Transcanadienne | Life Sciences and Health Technologies (LSHT) |
| DELPHI VARIETY | Montréal | Commerce / Retailers |
| Delstar Inc | Montréal | Tout Entreprises et services |
| Delta Aluminium Co Ltd | Côte Saint-Luc | Aluminum |
| Delta Furniture Online | Saint-Léonard | Tout Entreprises et services |
| Delta Hotels Montreal | Centre-Ville | Tout Tourisme et hôtels |
Publicité (Desktop) Publicité (Mobile) |
| Delta Pharma Inc. | Dorval | Life Sciences and Health Technologies (LSHT), Tout Entreprises et services |
| Delta Products | Centre-Du-Québec | Tout Entreprises et services |
| Delta Produits Ltée | Montréal | Audiovisual Equipment & Supplies |
| Deltapharma Inc. | Dortval | Agri-food |
| Delux | Québec | Tout Entreprises et services |
| Delux_Esthetique | Vaudreuil-Dorion | Beauty & Fitness, Hairdressers & Beauty Salons |
| Deluxe Day Spa | Sainte-Anne-De-Bellevue | Health and Beauty |
| Deluxe Digital Studios | Montréal | Information Technologies (IT) |
| Deluxe Entertainment Services Group, Inc | Montréal | Information Technologies (IT) |
| Delve Labs | Montréal | Information Technologies (IT) |
