| Je Alain Chabot | je | — |
| Jean Coutu Jean-Michel Coutu & Tristan Giguère (Affiliated Pharmacy) | Pharmacy | jeancoutu.com |
| Jean-Guy Campeau | Bankruptcy Lawyers | — |
| Jean-Luc Couture | Couture, COUTURE | — |
| Jean-Marc Bélanger | Bathroom Renovations | — |
| Jean-Yves Dubé Massothérapeute | Massage Therapy | pausemassage16.com |
| Jean-Yves Dubé Massothérapie | Massage Therapy | facebook.com |
| Jeannine Fleuriste | Baskets | fleuristejeannine.ca |
| Jehovah's Witnesses | Churches & Other Places of Worship | watchtower.org |
| Jeux Du Lac Enr , Les | Shopping Mall | facebook.com |
| Jhab Transport | Air Cargo Service | — |
| Jimmy Berube Courtier Immobilier Via Capitale | Apartment Rental, Apartments | — |
| Jl Communication Digital | Auditoriums & Halls, Banquet Rooms | facebook.com |
| Joe & Cora Bookeeping Services | Bookkeeping | — |
| Joker Pub Ludique Longueuil | Bars, Brasseries | facebook.com |
| Josee Couture | Couture, COUTURE | — |
| Joseph Jean-Josué | Business Centres | facebook.com |
| Julie Champoux Coiffeuse | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Julie Forbes Design | Architects | — |
| Jushinkan Dojo | Fitness Gyms | jushinkandojo.ca |
| Justin milkshaker | Bars, Brasseries | — |
| K Sa | sa | — |
| Karate Sportif Longueuil | Fitness Gyms | — |
| Karting Rpm | Amusement Places | facebook.com |
| Kiraly Vie | Book Stores | librairiekiralyvie.com |
| Klimfax | Tout Entreprises et services, Air Purifiers | klimfax.com |
| KLIMFAX | Air Conditioning Repair & Cleaning | — |
| Klimfax | Air Purifiers | — |
| Koantic Inc | Shopping Mall | facebook.com |
| Kosma-Kare Canada | Life Sciences and Health Technologies (LSHT) | kosmakare.com |
| L COUTURE | Couture, COUTURE | — |
| L'Académie des Futérusés | Tout Enseignement et savoir | garderiefuteruses.ca |
| L'ami Espresso | Coffee Stores | — |
| L'Artisan Saucissier Maison | Butcher Shops | — |
| L'Atelier Du Style | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| L'Estuaire III | Business Lawyers | — |
| L'Exclusif Coiffure Elle Lui | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| L'Existentiel Massothérapie Isabelle Marquis | Alternative Health | adeleinc.com |
| L'Expert Du Déménagement | Building & House Movers | facebook.com |
| L'Odyssée | Tout Commerces au détail | lodyssee.net |
| L'Église Adventiste Du 7e Jour Mahanaim | Churches & Other Places of Worship | — |
| La Bobine - Coiffure et esthétique | Beauty & Fitness, Hairdressers & Beauty Salons | labobine.ca |
| La Boite A Coiffure | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| La Boite à Cils | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| La Boite à Vins | Tout Commerces au détail | boiteavins.com |
| La bonne idée d'Emély | Baskets | labonneidee.com |
| La Brûlerie Café Crème Inc | Coffee Stores | bruleriecafecreme.com |
| La Chanterelle | Childcare Services | garderielachanterelle.com |
| La Coifferie | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| La Compagnie des philosophes | Tout Enseignement et savoir | cdesphilosophes.org |
