| Pridham's Auction House | Westmount | Auctions |
| Prime Kitchen Cabinets Inc | Westmount | Kitchen Cabinets |
| Professionnelle Médico-Esthétique Nana | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Puchinger Brenda Dr | Westmount | Dentists |
| Punda Mercantile Inc. (PMI) | Westmount | Tout Entreprises et services |
| Qlinix Smart Healthcare Solutions | Westmount | Boutiques |
| Quincaillerie Hogg | Westmount | Tout Commerces au détail |
| Quincaillerie Hogg | Westmount | Clothes Lines |
| Québec Hydro | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Radimed - Westmount Square | Westmount | Medical Clinics |
Publicité (Desktop) Publicité (Mobile) |
| Rail Auto Delivery | Westmount | Bus & Coach Rental & Charter |
| Rapid Appliance Repair Montreal | Westmount | Appliance Repair |
| Reddy Memorial Hospital | Westmount | Health Services |
| Reddy Memorial Hospital | Westmount | Health Services |
| Relations Publiques Pelican Inc. | Westmount | Tout Entreprises et services |
| Remedial Massage Therapy Montreal QC | Westmount | Massage Therapy |
| Rennert Michael D | Westmount | Dentists |
| Residence Inn by Marriott Montreal Westmount | Montréal | Apartment Hotels |
| Restaurant Imadake | Westmount | Bars, Brasseries |
| Roberto Eco Car Wash | Westmount | Car Washes |
Publicité (Desktop) Publicité (Mobile) |
| Rosalinda Go | Westmount | go |
| RoshanaBeautyStudio.mtl | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Roslyn School | Westmount | Tout Enseignement et savoir |
| Roy Philippe | Westmount | Business Lawyers |
| Ruth Stalker Antiques | Westmount | Antique Dealers |
| Rénovations Newsam | Westmount | Home Improvement |
| Salomon&Co - Antiques, Art, Militaria, Gold & Si lver | Westmount | Antique Dealers |
| Salon Charmant | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Salon Sophie | Westmount | Barbers, Men's Hairdressers & Barber Shops |
| Sanft Arthur | Westmount | Business Lawyers |
Publicité (Desktop) Publicité (Mobile) |
| Sarna Neudorfer | Westmount | Business Lawyers |
| Sean Couture | Westmount | Couture, COUTURE |
| Selwyn House School | Westmount | Tout Enseignement et savoir |
| Semathera | Montréal | Life Sciences and Health Technologies (LSHT) |
| Sensavie Salon | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Services Cc89 Inc | Westmount | Health Services |
| Sigma Createurs Enr | Westmount | Furniture Stores |
| Simply Wonderful | Westmount | Caterers |
| Skor Renovations | Westmount | Home Improvement |
| Smile Montreal | Westmount | Dentists |
Publicité (Desktop) Publicité (Mobile) |
| Snapfashun Group Inc | Westmount | Boutiques |
| SOCIÉTÉ TEKSYSTEMS CANADA INC | Montréal | Information Technologies (IT) |
| Société Canadienne de génie civil | Westmount | Tout Entreprises et services |
| Sommeynes, Jacqueline | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Spa de Westmount | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Spartan Tours Inc | Westmount | Airlines |
| Spc Physio | Westmount | Physiotherapy |
| St-Laurent Coiffure Aldo & Co | Westmount | Beauty & Fitness, Hairdressers & Beauty Salons |
| Stein & Stein | Westmount | Tout Entreprises et services |
| Stein Myron Dr | Westmount | Dentists |
