| List Transport Inc. | Tout Entreprises et services | list-international.com |
| Location Brossard | Tout Commerces au détail | brossard.com |
| LSI Canada Inc. | Tout Entreprises et services | astronics.com |
| LSI LUMINESCENT SYSTEMS CANADA INC. (ASTRONICS) | Aerospace | lumsys.com |
| Lutek Équipement Plastique Inc. | Tout Entreprises et services | lutek.ca |
| Lyskaam Coatings Inc | Painters | google.ca |
| Léon | Furniture Stores | — |
| M.R. Continent Globe Corporation | Life Sciences and Health Technologies (LSHT) | continentglobe.com |
| Manoir Kanisha | Tout Entreprises et services | manoirkanisha.com |
| Manoir Kanisha Inc. | Tout Commerces au détail | manoirkanisha.com |
| Mapp Inspection Inc | Analytical & Testing Laboratories | — |
| Mariana Coiffure Beauté | Black Hair Salons | marianacoiffurebeaute.ca |
| Marie-Pierre Ayoul Decorative Painting | Painters | peinturedecorative.ca |
| Marshall Equipment | Clothes Lines | marshall-equipment.com |
| Martineau, groupe immobilier | Tout Entreprises et services | martineau.ca |
| Matrox | Tout Informatique et internet | matrox.com |
| MD Climatisation | Air Conditioning Contractors | maps.app.goo.gl |
| Menlo Worldwide Forwarding | Airlines | facebook.com |
| Menzies Aviation (Canada) Ltd | Aviation Consultants & Services | — |
| Metaux Profusion Inc | Aluminum, Tout Entreprises et services | metauxprofusion.com |
| MG LONIC INC. | Aerospace | mglonic.com |
| Micro-Ondes Apollo Ltée | Tout Entreprises et services | apollomw.com |
| Ming-Te Liao | te | — |
| Moka Enisexe | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Monkey King Kung Fu Academy | Tout Enseignement et savoir | facebook.com |
| Monster Gym | Fitness Gyms | monstergym.net |
| Montreal Airport Marriott Hotel | Tout Tourisme et hôtels | marriott.com |
| Montreal Amateur Radio Club | Tout Communautés et société | marc.ca |
| Montreal Biotech Inc. | Tout Entreprises et services | montreal-biotech.com |
| MorganSystem | Computer Repair & Cleaning | — |
| MOUV Nation | Fitness Gyms | facebook.com |
| MultiCIM Technologies Inc. | Tout Informatique et internet | multicim.com |
| Mégadôme ATM | Automated Teller Manufacturers & Wholesalers | — |
| N A | Addiction Treatments & Information | — |
| Natpro | Compressors | natpro.com |
| Nestlé Canada (Ice Cream Division) GROUPE PERRIER DU CANADA LTÉE (LE) | Agri-food | nestle.com |
| Nickels | Tout Bars et restaurants | nickelsdeli.com |
| NIL8 Fitness | Fitness Gyms | facebook.com |
| Nimpro Chemicals Ltd | Chemicals | facebook.com |
| Nolinor Aviation | Tout Entreprises et services | nolinor.com |
| Nolinor Aviation Inc | Airlines | nolinor.com |
| Nortop Canada Inc | Tire Shop | — |
| Nortop Canada Inc. (Pneus Nortop) | Tire Shop | — |
| Nova Steel | Tout Entreprises et services | novasteel.ca |
| Novartis Pharma Canada Inc. | Life Sciences and Health Technologies (LSHT), Tout Entreprises et services | novartis.ca |
| Novyc Électronique Inc. | Tout Entreprises et services | novyc.com |
| Odyssey Medispa | Health and Beauty | — |
| OG Aviation Inc | Aviation Consultants & Services | ogaviation.com |
| Olympic Airlines | Airlines | — |
| Omnimedia Inc. | Tout Entreprises et services | omnimedia.ca |
