| N Couture | Couture, COUTURE | — |
| N Couture | Couture, COUTURE | — |
| N COUTURE | Couture, COUTURE | — |
| N Latté | Coffee Shops | facebook.com |
| N-B Massothérapie | Massage Therapy | facebook.com |
| Na Na | Beds | meublemtl.com |
| Nadine Mode | Clothing Stores | — |
| NAPA AUTOPRO - Autotec Chabot Marcil | Auto Body Repair & Painting Shops | autotechchabotmarcil.com |
| NAPA Pièces d'auto - NAPA Longueuil | Auto Body Shop Equipment & Supplies | napacanada.com |
| NAPA Pièces d'auto - NAPA Longueuil | Auto Part Manufacturers & Wholesalers | — |
| Nathalie Porlier Biokinergiste Praticienne TNC & Massothérapeute | Massage Therapy | facebook.com |
| Natrel Division | Agri-food | agropur.com |
| Naturiste | Tout Commerces au détail | naturiste.ca |
| Nautisme Québec | Tout Arts et divertissement | nautismequebec.com |
| Neove Design Inc | Business Centres | facebook.com |
| Nettoyage Empire | Cleaning Services, Cleaning Service | nettoyageempire.com |
| New Crescent Consulting | Computer Networking | — |
| Newmapak | Tout Entreprises et services | newmapak.com |
| Nheo | Beauty Salon Equipment & Supplies | — |
| Nicole Couture | Couture, COUTURE | — |
| Nitro Garage | Car Repair | facebook.com |
| Northern Lights Fitness | Fitness Gyms | fitnessdepot.ca |
| Nos Voix Nos Visages | Camps | — |
| Notre Société | Bars | facebook.com |
| Nova Thermo Fusion Ltee | Beds | facebook.com |
| Novem Communications | Tout Entreprises et services | novem.biz |
| Np Électrique Inc | Electricians | — |
| Numigi | Computer Networking | facebook.com |
| O Gâteries Inc | Cakes | ogateries.com |
| O Miroir | Tout Commerces au détail | omiroir.com |
| Objets Deco M | Candles | facebook.com |
| OCX Services | Business & Trade Organizations | — |
| Oh, She Lashes. | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| Old Port and Colts Cigars Company Ltd | Agri-food | st-group.com |
| Oli & Eve Maison de Coiffure | Beauty & Fitness, Hairdressers & Beauty Salons | olieteve.com |
| Olivier Labrie Massothérapeute à Domicile | Massage Therapy | facebook.com |
| OMG I Can Meditate | Cans | — |
| One X 1 Detailing | Car Detailing | instagram.com |
| Ongles Anik | Beauty Salon Equipment & Supplies | — |
| Optelec Canada | Life Sciences and Health Technologies (LSHT) | optelec.ca |
| Optelec Canada Inc. | Tout Entreprises et services | optelec.com |
| Orchestre Symphonique | Auditoriums & Halls, Banquet Rooms | facebook.com |
| OrdiBen | Answering Machines & Equipment | facebook.com |
| Orize Sports Management Inc / Gestion Sportive O rize Inc. | Fitness Gyms | facebook.com |
| Orkin Canada Corporation | Life Sciences and Health Technologies (LSHT) | orkincanada.com |
| Orleans Express-Autocars | Bus Stations & Ticket Agencies | — |
| Oumou-Coiffure | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Oxebo | Tout Commerces au détail, Appliance Repair & Service | oxeboreparation.com |
| P Couture | Couture, COUTURE | — |
| P Go | go | — |
