| Les Armoires Prime Kitchens Inc | Westmount | Tout Commerces au détail, Kitchen Cabinets |
| Les Logiciels Informat Inc. | Île-des-Soeurs | Tout Informatique et internet |
| Les normes canadiennes de la public... | Westmount | Tout Entreprises et services |
| Les Services Psychologiques Medipsy | Westmount | Tout Entreprises et services |
| Les Solutions Marcaurelle | L'assomption | Home Improvement |
| Les Solutions médicales Soundbite Inc. | Alfred-Nobel | Life Sciences and Health Technologies (LSHT) |
| Les Solutions One-Sky | Longueuil | Tout Informatique et internet |
| Les Solutions Phosled Inc | Montréal | Fitness Gyms |
| Les Systèmes Digitaux ORANGE Inc. | Westmount | Tout Informatique et internet |
| Librairie Greene | Westmount | Book Stores |
Publicité (Desktop) Publicité (Mobile) |
| LISA SIM Makeup Artist | Westmount | Artists |
| Little Bear | Westmount | Tout Commerces au détail |
| Logiciels Xceed Inc. | Longueuil | Tout Informatique et internet |
| Louise Woodfine | Westmount | Business Lawyers |
| Love Your Linens | Westmount | Bedding & Linens |
| Lumitech Solutions | Montréal | Tout Entreprises et services |
| Lysy Paul G Dr | Westmount | Walk-in Clinics |
| M Couture | Westmount | Couture, COUTURE |
| Manel Solutions Informatiques | Trois-Rivières | Computer Consultants |
| MANOLAKOS, Maria, LL.L, D.D.N. | Westmount | Professionals |
Publicité (Desktop) Publicité (Mobile) |
| Manufacturier Stylekraft International (1994) Inc | Westmount | Clock Repair |
| 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 |
| McKesson Canada Solutions d'automatisation | Montréal | Life Sciences and Health Technologies (LSHT) |
| mdf commerce | Longueuil | Tout Informatique et internet |
| MDS Power | Westmount | Tout Commerces au détail |
| MECANICA SOLUTIONS INC. | Montréal | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| MEDFAR Solutions Cliniques | Stanley | Life Sciences and Health Technologies (LSHT) |
| Metro Westmount | Westmount | Not Profit, Grocery Stores |
| Micro Scalp Clinic Montreal | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Miel Sisters | Westmount | Boutiques |
| MINDREADY SOLUTIONS INC. | Montréal | Aerospace |
| Mishkin Seymour Dr | Westmount | Health Services |
| 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 |
| Mochico | Westmount | Boots |
Publicité (Desktop) Publicité (Mobile) |
| Monstres Textiles Enr | Westmount | Calendars |
| Montano Solutions Inc | Montréal | Shopping Mall |
| Montek Solutions | Montréal | Answering Machines & Equipment, Tout Informatique et internet |
| 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 |
| Montreal Pro Solutions | Laval | Landscaping |
| Montreal Sleep Center | Westmount | Health Services |
| Montreal Solutions | Kirkland | Tout Entreprises et services |
| Monty's Hair Salon | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
