| Lave Auto Avenues | Car Washes | facebook.com |
| Lawrence Home Fashion | Bedding & Linens | lawrencehome.com |
| Le Sunset | Apartment Hotels | sunsetsuites.com |
| Le Troc À Montréal | Barter, Trades & Exchanges | — |
| Les Canards Des Marais | Arts & Crafts Manufacturers & Wholesalers | — |
| Les Céramiques Originales Batimat Ltée | Bathroom Accessories | batimat.net |
| Les Entreprises Rubik Inc | Clothes Lines | facebook.com |
| Les Services Administratifs Cominar Inc | Shopping Malls, Shopping Mall | centrerockland.com |
| Lg Sidhu | lg | — |
| Limex | Building Contractors | excavationlimex.ca |
| Lincoln Gabriel | Automobiles, car Dealers | lincolngabriel.com |
| Linver International Inc | Art Publishers & Distributors | thelianeanddannytaranfoundation.org |
| Lipman Carpets | Flooring | lipmancarpetmontreal.com |
| LK Esthetik | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Locatel | Home Improvement | facebook.com |
| Location Nice Leasing | Car Leasing | — |
| Loisirs-culture-activités communautaires | Not Profit, library | ville.mont-royal.qc.ca |
| Madovar Packaging Inc | Boutiques | madovarhome.com |
| Magil Construction | Building Contractors | magil.com |
| Marano Limousine | Chauffeur Services | maranolimo.com |
| Marché Ville Mont-Royal Inc. | Not Profit, Grocery Stores | metro.ca |
| Marmott Énergies | Life Sciences and Health Technologies (LSHT) | — |
| Mastic Spa | Beauty & Health Spas | — |
| Mazda Gabriel St-Laurent | Automobiles, car Dealers | mazdagabrielstlaurent.com |
| McKenna Florist by Kevin Camara | Baskets | mckennaflorist.com |
| MEXKA SERVICES | Car Repair | — |
| Midtown Umbrellas | Catalogue & Online Shopping | — |
| Mihajlovits Ivan | Architectural Technologists | facebook.com |
| Minimod Coiffure Enfants Inc | Beauty & Fitness, Hairdressers & Beauty Salons | minimod.ca |
| MONT-ROYAL | Blue Pages | — |
| Montreal Cosmetics | Flooring | — |
| MONUMENTS BP | Monuments, Services | — |
| MOUNT ROYAL Consultants | Home Decoration & Maintenance | — |
| Mouret, M | Furniture Stores | facebook.com |
| MVP Group | Appliance Manufacturers & Wholesalers | canadist.com |
| Nettoyage Cms Cleaning | Cleaning Services, Cleaning Service | scentral.ca |
| Nettoyage Ocean | Cleaning Services, Cleaning Service | nettoyageocean.com |
| NETTOYEURS DAOUST | Clothing | — |
| NETTOYEURS DAOUST | Clothing | — |
| New Way Carpet & Rugs | Flooring | facebook.com |
| Northern Look Inc | Boat Equipment & Supplies, Marine Equipment & Supplies | northernlook.com |
| Nouvelle Cuisine | Tout Entreprises et services, Kitchen Cabinets | nouvelle-cuisine.com |
| Novus Vitres Décarie | Auto Glass & Windshields | novusglass.com |
| Nuline Distribution | Beds | fatboycanada.com |
| Odyo | Audiologists | facebook.com |
| Omega Collection Agency | Collection Agencies | — |
| One on One High Performance Studio | Fitness Gyms | fitness-montreal.com |
| Ongles Professionnail | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Only Fresh Food Inc. | Bulk Foods | onlyfreshfood.ca |
| OptiWeb Marketing | SEO & Web Marketing Agency in Montreal | Button Advertising | optiwebmarketing.ca |
