| Martin Couture | Couture, COUTURE | — |
| Massage Hawai | Physiotherapy | facebook.com |
| Massothérapie Manon | Massage Therapy | massotherapiemanon.ca |
| Maude Rousseau Bouchard Extensions De Cils | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Mauvais Garçons | Bars | restomauvaisgarcons.ca |
| Max Service | Appliance Repair & Service | — |
| MAX TECHNOLOGIES | Aerospace | maxt.com |
| Maîtres Coiffeurs | Tout Commerces au détail | maitrescoiffeurs.com |
| MCA | Advertising Agencies | — |
| MCI Inc | Automatic Fire Sprinkler Systems | mci88.com |
| Me Caroline Bessette | Tout Entreprises et services | bessettenotaire.com |
| Meaningful Massage Spa | Massage Therapy | — |
| Melcils | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| message factory | Tout Commerces au détail | messagefactory.ca |
| Messier Bicyclettes | Tout Commerces au détail | messierbicyclettes.ca |
| Meubles Decorob Inc | Clothes Lines | — |
| Meubles Montreal, Les | Furniture Stores | facebook.com |
| Michaud Mylène | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Michel Couture | Couture, COUTURE | — |
| Michel Poirier | Bathroom Renovations | — |
| Michel Puertas Denturologiste | Dentists | michelpuertas.com |
| Mile Public House | Brasseries | bookenda.com |
| Millenium Micro | Business Centres | facebook.com |
| Mine D'Art | Arts & Crafts Stores | — |
| Minimod Coiffure | Beauty & Fitness, Hairdressers & Beauty Salons | minimod.ca |
| Mobalpa | Architects | brossard.mobalpa.ca |
| Mobile Klinik Brossard | Computer Repair & Cleaning | mobileklinik.ca |
| Mobilier Philippe Dagenais | Furniture Stores | mobilierphilippedagenais.com |
| Modelage Canada | Aluminum Products | — |
| Moderne Centre de beauté et spa | Massage Therapy | facebook.com |
| Mon-massage.ca | Massage Therapy | — |
| Monaxxion | Business Brokers | real-estate-property.info |
| Montmorency Ford Lincoln | Auto Repair Garages | montmorencyford.com |
| Moreau Sylvain | Accounting Services | forestgate.ca |
| Morin, Marie Canada | Agri-food | marie-morin.ca |
| Mr-Lvv S.E.N.C. | Shopping Mall | facebook.com |
| Mu Shen | mu | — |
| Multi-Max Imprimés Inc | Business Forms & Systems | — |
| Muse Barbershop | Men's Hairdressers & Barber Shops | — |
| MVS - La Maison Vidéo Son | Audiovisual Equipment & Supplies | — |
| My-Chan Henriette Ah-Waye | ah | — |
| Myriad Pharma | Pharmacy | facebook.com |
| Mère Hélène Rive-Sud | Baby Products & Accessories | — |
| Mécanique Renntech | Auto Repair Garages | facebook.com |
| Ménage Extra Propre | Cable TV Providers | — |
| Ménage ProBonheur | Cleaning Services, Cleaning Service | — |
| Ménage-Génial | Cleaning Services, Cleaning Service | — |
| N C A Partenaires Inc | Actuary Consulting & Services | ncapartenaires.com |
| Nabil Warda CGA LL M | Accounting Services | comptablenabilwarda.ca |
| Namo Ménage | Cleaning Services, Cleaning Service | facebook.com |
