| Mabarex Inc. | Montréal | Tout Entreprises et services |
| Mabo Climatisation | Lasalle | Air Conditioning Contractors |
| MABRASSERIE | Petite-Patrie | Tout Entreprises et services |
| Mabulle Fabulle | Montréal | Clowns |
| Maburco Longueuil Inc | Longueuil | Bathroom Accessories |
| Mac Cliniques Service Inc | Fabreville | Medical Clinics |
| MAC Metal Architectural | Saint-Hubert | Tout Entreprises et services |
| MAC Protection Incendie Inc | Sherbrooke | Automatic Fire Sprinkler Systems |
| Mac Québec | Unknown | Tout Médias montréalais |
| Macabee Auto | Montréal | Garage Auto |
Publicité (Desktop) Publicité (Mobile) |
| Macbionik | Montréal | Computer Consultants |
| Maccaferri Canada Ltd | Montréal | Civil Engineers |
| Macco Organiques Inc. | Salaber-De-Valleyf | Tout Entreprises et services |
| Macdonald High School | Sainte-Anne-De-Bellevue | Tout Enseignement et savoir |
| Macedonian Association PHILIPPOS-ALEXANDROS | Montréal | Blue Pages |
| Macedonian, EastBrotherhood ALEXANDER THE GREAT | Montréal | Blue Pages |
| Mach Service D'Entretien Ménager | Montréal | Cleaning Services, Cleaning Service |
| Machelec Inc | Châteauguay | Automation Systems & Equipment |
| MACHINE TEK INC. | Sainte-Julie | Aerospace |
| Machineco | Ville-Émard Et Côte-Saint-Paul | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Machinerie Luc Schryburt | Marie | Tout Entreprises et services, Automation Systems & Equipment |
| Machinerie Plus | Montréal | Tout Entreprises et services |
| Machinerie Rive Sud Inc | Saint-Hubert | Baked Goods Wholesalers |
| Machineries BV Ltée | Drummondville | Tout Entreprises et services |
| Macica Coiffure | Saint-Amable | Beauty & Fitness, Hairdressers & Beauty Salons |
| Mack Electric Ltd | Montréal | Electricians |
| Mackay Rehabilitation Center-Centre De Readaptat ion | Ayer's Cliff | Physiotherapy |
| MacKinnon, Bennet & Co. | Montréal | Startup Ecosystem |
| Mackisen CPA | Montréal | Accountants, Accounting Services, Bookkeeping |
| Maclean Power Systems | Chateauguay | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Maco Mécanique Inc | Montréal | HVAC |
| Macogep | Centre-Ville | Tout Entreprises et services |
| Macopharma | Montréal | Pharmacy |
| Macromeasures | Montréal | Information Technologies (IT) |
| Macropal | Montréal | Caterers |
| Macropal | Montréal | Caterers |
| Macteck | Gatineau | Computer Repair & Cleaning |
| Macwest Steel Inc | Montréal | Roofing |
| Mad Auto | Montréal | Auto Glass & Windshields |
| Mada Community Center | Côte-Des-Neiges | Tout Communautés et société |
Publicité (Desktop) Publicité (Mobile) |
| Madam Salon De Beauté | Longueuil | Beauty Institutes |
| Madame Bé | Saint-Lambert | Astrologers & Psychics |
| Madame Design Architecture | Montréal | Architects |
| Madame Mona Voyante Psychic Medium au Téléphone | Montréal | Astrologers & Psychics |
| Madame Tarot | Montréal | Astrologers & Psychics |
| Madame Virgule | Montréal | Caterers |
| Madame Virgule | Montréal | Caterers |
| MadCap IXIA CCMS | Centre-Ville | Tout Informatique et internet |
| MadCarbon | Montréal | Auto Body Shop |
| Maddie`s Place | Kahnawake | Auditoriums & Halls |
