| Monty's Hair Salon | Beauty & Fitness, Hairdressers & Beauty Salons | montyshairsalon.weebly.com |
| Morris & MacKenzie Inc | Car Insurance | dpmm.ca |
| Mouton Noir | Caterers | — |
| Mperia Therapeutics | Life Sciences and Health Technologies (LSHT) | mperiathera.com |
| Multi Energy R.H.H. International Inc | Boutiques | facebook.com |
| My Shoe Shop Montreal Store | Boots | myshoeshop.ca |
| Myschoolofjoy | Astrologers & Psychics | facebook.com |
| National Restoration | Roofing | nationalrestoration.ca |
| NETTOYEURS DAOUST | Clothing | — |
| NETTOYEURS DAOUST | Clothing | — |
| NOVA Montréal | Care Homes | novamontreal.com |
| Npc | Computer Repair & Cleaning | facebook.com |
| Office for Science and Society | Tout Enseignement et savoir | mcgill.ca |
| Oliver Thomas L Dr | Dentists | oliverthomasldr.placeweb.site |
| Omnident Services Limited | Dentists | — |
| Optimal Group Inc | Accounting Services | optimalpayments.com |
| Optimal Payments | Information Technologies (IT) | optimalpayments.com |
| Ordre des infirmières et infirmiers... | Tout Communautés et société, Tout Entreprises et services | oiiq.org |
| Orenstein Law | Business Lawyers | orensteinlaw.ca |
| Orthosport Canada Inc. | Tout Commerces au détail | orthosportcanada.com |
| P.A. Services Conseils Inc. | Tout Entreprises et services | paservicesconseils.com |
| Padgett Services Aux Entrepris | Bookkeeping Software & Accounting Systems | smallbizpros.com |
| Palmistry Center | Astrologers & Psychics | birlacenter.com |
| Paysagement DĂ©neigement John Mastro | Landscaping | johnmastro.ca |
| Paysagiste Malik | Landscaping | — |
| PDQ 12 - SPVM (Ville-Marie Ouest, Westmount - Poste de quartier 12 - Service de Police de la Ville de Montréal - SPVM) | Emergency | spvm.qc.ca |
| Pearl White Solutions Westmount | Dentists | — |
| Perma Culture Garden | Landscaping | — |
| Pharmacie Emna Mzabi Inc, Westmount Square | Pharmacy | — |
| Phases & Cycles Inc | Animal Shelters & Protection Services | — |
| Photos of the Attractive Nature in Canada | Landscaping | facebook.com |
| Physio Veneta Stolinchev | Physiotherapy | — |
| Pilaflex Studio | Beauty Salon Equipment & Supplies | pilaflex.com |
| Positive Inc | Bank Equipment & Supplies | positivepos.com |
| Pragmatic Communications | Communications & Public Relations Consultants | pragcom.com |
| Pridham's Auction House | Auctions | pridhams.ca |
| Prime Kitchen Cabinets Inc | Kitchen Cabinets | primekitchens.com |
| Professionnelle Médico-Esthétique Nana | Beauty & Fitness, Hairdressers & Beauty Salons | naturalook.ca |
| Puchinger Brenda Dr | Dentists | puchingerbrendadr1.placeweb.site |
| Punda Mercantile Inc. (PMI) | Tout Entreprises et services | punda.com |
| Qlinix Smart Healthcare Solutions | Boutiques | facebook.com |
| Quincaillerie Hogg | Tout Commerces au détail | quincailleriehogghardware.com |
| Quincaillerie Hogg | Clothes Lines | — |
| Québec Hydro | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| Radimed - Westmount Square | Medical Clinics | radimed.ca |
| Rail Auto Delivery | Bus & Coach Rental & Charter | facebook.com |
| Rapid Appliance Repair Montreal | Appliance Repair | facebook.com |
| Reddy Memorial Hospital | Health Services | en.parkopedia.ca |
| Reddy Memorial Hospital | Health Services | — |
| Relations Publiques Pelican Inc. | Tout Entreprises et services | rppelican.ca |
