| Mr. Tanguay & Fils | Chemical & Pressure Cleaning Systems | tanguay-fils.ca |
| MultiRecycle Inc. | Tout Entreprises et services | multirecycle.com |
| Musée de Lachine | Tout Arts et divertissement | montreal.ca |
| Métaux Solutions | Tout Entreprises et services | metauxsolutions.com |
| Métaux Solutions Inc | Aluminum | metauxsolutions.com |
| Nellson Nutraceutique Canada Inc. | Agri-food | nellsonllc.com |
| NettoyageMTL | Cleaning Services, Cleaning Service | — |
| Ninon Amesse Coiffure | Beauty & Fitness, Hairdressers & Beauty Salons | salonninonamesse.com |
| Niska | Art Galleries, Dealers & Consultants | — |
| NSK Canada Inc. | Tout Entreprises et services | — |
| Nuance Bourdon Audiovisuel Inc. | Tout Entreprises et services | nuancebourdon.ca |
| Nutrisanté | Tout Commerces au détail | nutrisante.ca |
| Oakite Produits Can Ltee | Chemicals | oakite.com |
| Ol Fr | ol | — |
| Omron Canada Inc | Automation Systems & Equipment | omron.ca |
| One Way Novelties | Balloons | onewaynovelties.com |
| ouistitine | Tout Commerces au détail | ouistitine.com |
| Pador Associations Management Group Ltée | Association Management | — |
| Panache Markcomm | Communications & Public Relations Consultants | — |
| Panasonic Canada Inc. | Tout Entreprises et services | panasonic.com |
| Papier Durabox Inc | Cardboard | durabox.ca |
| Paradoxe Déconstruction | Tout Entreprises et services | paradoxedeconstruction.ca |
| Pareco Plus Inc | Roofing | pareco.ca |
| PASTA ANDREA | Pizza & Pizzerias | pastaandrea.com |
| PATTONAIR | Aerospace | pattonair.com |
| Paysagiste Bjr Landscaping | Landscaping | — |
| Paysagiste Duwood Landscaping | Landscaping | — |
| Paysagiste Lewis Landscaping Inc. | Landscaping | lewislandscaping.ca |
| PDQ 8 - SPVM (Lachine, Saint-Pierre - Poste de quartier 8 - Service de Police de la Ville de Montréal - SPVM) | Emergency | spvm.qc.ca |
| Peintures Et Services PCT Inc | Painters | espacelistings.com |
| Pelco | Tout Entreprises et services | pelco.com |
| Perron D | Balconies | — |
| Pharmacie Kira Azar inc. | Pharmacy | uniprix.com |
| Pierre Training | Fitness Gyms | facebook.com |
| Pierre-Raymond Goyer | Chartered Administrators | — |
| Pizza Hut | Pizza & Pizzerias | doublepizza.foodpages.ca |
| Pizza Provost | Pizza & Pizzerias | — |
| Pj Delli Colli | pj | — |
| Plan B Montréal | Cleaning Services, Cleaning Service | — |
| Planète Courrier Inc | Tout Entreprises et services | planetecourrier.com |
| Plastiques Dura | Chemicals | duraplas.com |
| Plomberie Costel 24H Inc | Plumbing | — |
| Plomberie Dominion Inc. | Plumbing | plomberiedominion.com |
| Plomberie et Chauffage Lachine Inc | Plumbing | facebook.com |
| Plomberie Pro Solution Inc | Plumbing | — |
| Plomberie Pro Solution Inc | Plumbing | plomberieprosolution.com |
| Pneus Lachine Inc | Balancing Service | pneuslachine.com |
| PNEUTECH-ROUSSEAU | Aerospace | pneutech-rousseau.com |
| Pole Air Aviation Inc | Aerospace, Aircraft Parts, Engines & Avionics, Tout Entreprises et services | poleair.com |
| Precision Time | Clock Repair | — |
