| Mille et une billes | Arts & Crafts Supplies, Arts & Crafts Materials & Supplies | dot-canada.com |
| Million Carpets & Tiles | Ceramic Tile Dealers | tapisettuiles.com |
| Minarella Beauty and Makeup | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| MINI Laval | Tout Commerces au détail | minilaval.ca |
| Mira Esthétique | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| Missfit Laval | Fitness Gyms | — |
| MK Remorquage - MK Towing | Boat Towing | facebook.com |
| Mme Couture | Couture, COUTURE | — |
| Mobilier et Design Basilières | Furniture Stores | jeanfrancoisbasilieres.com |
| Mohamad El Hassani - Courtier Immobilier RĂ©sidentiel | Health and Beauty | linktr.ee |
| MOLAITON MONTREAL, ASSOCIATION | Blue Pages | — |
| Monde du ravioli | Agri-food | lemondeduravioli.com |
| Money Mart | Cheque Cashing Service | insta-cheques.ca |
| Montpak International Inc. | Agri-food | montpak.ca |
| Montreal Pro Solutions | Landscaping | — |
| Montvr | Amusement Places | facebook.com |
| MORTGAGE INTELLIGENCE – John Balok | Finances / Banking, Financial Consultants | — |
| Mosaic | Buffets | facebook.com |
| Moteurs Electriques Trois Etoiles | Generators | moteurselectriquestroisetoiles.ca |
| MOUHTEROS, ANASTASIOS | Blue Pages | — |
| MOURELATOS Supermarché | Food / Distributors, Supermarkets | mourelatos.com |
| Mouvement lavallois | Tout Communautés et société | mouvementlavallois.org |
| Moxxom | Shopping Mall | facebook.com |
| MPLETAS, ST, President | Blue Pages | — |
| MR. PUFFS | Food / Distributors, Tout Bars et restaurants | mrpuffs.com |
| Ms Maintenance | Cleaning Services, Cleaning Service | facebook.com |
| MS Pharma | Analytical & Testing Laboratories | — |
| MS Pharma Inc | Pharmacy | — |
| MS Pharma inc. | Life Sciences and Health Technologies (LSHT) | mspharma.ca |
| Ms Rs | rs | — |
| MSA | Auto Body Shop | facebook.com |
| Msnh Inc | Walk-in Clinics | facebook.com |
| Multi Canin Inc | Animal Breeders | — |
| Multi-Marques (Centre de Distribution Laval) | Agri-food | multimarques.com |
| Multi-Marques Inc. | Coffee Wholesalers | facebook.com |
| Multi-Nutrition24 Fit | Health and Beauty | facebook.com |
| Multi-Services Soucy | Home Improvement | facebook.com |
| Multiservices T&W | Arts & Crafts Stores | facebook.com |
| Must | Furniture Stores | facebook.com |
| Musé Pour Enfant | Amusement Places | facebook.com |
| Mv Plomberie | Plumbing | — |
| My Arbonne | Health and Beauty | facebook.com |
| My Business | Cleaning Services, Cleaning Service | facebook.com |
| Mya Style | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| Myriam Gareau Conseillère Ind. Avec Les Cosmétiq ues Mary Kay | Health and Beauty | facebook.com |
| Mytilineon O ALKEOS, Association | Blue Pages | — |
| MĂ©canique C S Gagnon | Tire Shop | facebook.com |
| Mécanique Et Pièces D'auto Charron | Auto Part Manufacturers & Wholesalers | — |
| MĂ©di-Centre Chomedey | Medical Clinics | facebook.com |
| Médicus | Tout Commerces au détail, Walk-in Clinics, Physiotherapy | medicus.ca |
