| Les 5 Saisons | Westmount | Bakery Equipment, Bakery Supplies, Tout Commerces au détail |
| Les Agences de Collection Associés... | Westmount | Tout Entreprises et services |
| Les Armoires Prime Kitchens Inc | Westmount | Tout Commerces au détail, Kitchen Cabinets |
| Les normes canadiennes de la public... | Westmount | Tout Entreprises et services |
| Les Produits Inox-Fab Inc | Delson | Commercial Kitchen Equipment |
| Les Produits Miropac Inc (Miropac Inc) | Delson | Clothes Racks & Hangers |
| Les Services CCAB, une division de BPA Worldwide | Montréal | Information Technologies (IT) |
| Les Services Financiers Di Stasio Financial Inc | Montréal | Business Insurance |
| Les Services Psychologiques Medipsy | Westmount | Tout Entreprises et services |
| Les Systèmes Digitaux ORANGE Inc. | Westmount | Tout Informatique et internet |
Publicité (Desktop) Publicité (Mobile) |
| Les Technologies Infraop | Saint-Hubert | Computer & Technology Assistance Programs |
| Librairie Greene | Westmount | Book Stores |
| Lightspeed | Montréal | Information Technologies (IT) |
| LISA SIM Makeup Artist | Westmount | Artists |
| Little Bear | Westmount | Tout Commerces au détail |
| Logiciels EasyVista Inc | Montréal | Information Technologies (IT) |
| Louise Woodfine | Westmount | Business Lawyers |
| Love Your Linens | Westmount | Bedding & Linens |
| Lucie Deguire | Delson | Beauty & Fitness, Hairdressers & Beauty Salons |
| Lysy Paul G Dr | Westmount | Walk-in Clinics |
Publicité (Desktop) Publicité (Mobile) |
| M Couture | Westmount | Couture, COUTURE |
| Mairie | Delson | City Halls |
| MANOLAKOS, Maria, LL.L, D.D.N. | Westmount | Professionals |
| Manufacturier Stylekraft International (1994) Inc | Westmount | Clock Repair |
| Manulife Financial | Laval | Tout Entreprises et services |
| Marianopolis College | Westmount | Tout Enseignement et savoir |
| Mark & Lachance Inc | Westmount | Audiologists |
| Marteinson Afshari | Westmount | Chartered Professional Accountants (CPA) |
| Martin Swiss Cycles | Westmount | Bicycle Stores |
| Mateo | Westmount | Roofing |
Publicité (Desktop) Publicité (Mobile) |
| Matrix Technology Ltd. | Pointe-Claire | Tout Entreprises et services |
| Mattei Restaurant Equipement | Delson | Bakery Equipment, Bakery Supplies |
| Maxigaz Inc | Delson | Carbon Dioxide |
| MDS Power | Westmount | Tout Commerces au détail |
| Metro Westmount | Westmount | Not Profit, Grocery Stores |
| Michelin Firme Comptable Inc | Delson | Accountants |
| Micro Scalp Clinic Montreal | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Microcomp | Saint-Léonard | Computer & Technology Assistance Programs, Computer Repair & Cleaning |
| Miel Sisters | Westmount | Boutiques |
| Mishkin Seymour Dr | Westmount | Health Services |
Publicité (Desktop) Publicité (Mobile) |
| Miss Brown's Cleaning Services Westmount | Westmount | Cleaning Services, Cleaning Service |
| Miss Edgar's and Miss Cramp's Schoo... | Westmount | Tout Enseignement et savoir |
| MNC Multinational Consultants | Westmount | Business Brokers |
| Mobeewave | Montréal | Information Technologies (IT) |
| Mochico | Westmount | Boots |
| Mon journal de Compostelle | Delson | Toutes les Pages perso |
| Monstres Textiles Enr | Westmount | Calendars |
| Montreal Art School | Westmount | Art Schools |
| Montreal Camera Club | Westmount | Tout Arts et divertissement, Tout Communautés et société |
| Montreal Children's Dental Clinic | Westmount | Health Services |
