| Halte I Café - Apéro | Coffee Shops | facebook.com |
| Hanacom | Computer Networking | facebook.com |
| Hansak | Architects | — |
| Hardbacon | Tout Entreprises et services, Tout Informatique et internet | hardbacon.ca |
| Harshi'S Beauty Salon | Beauty & Fitness, Hairdressers & Beauty Salons | salonharshis.ca |
| Hebergement La Casa | Emergency Shelters | — |
| Hemmings Avocat Inc | Business Lawyers | — |
| Henri Désormeaux Inc | Bookkeeping Software & Accounting Systems | msd-cpa.com |
| Hermione Coiffure Et Soins De Beauté Elle Et Lui | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Heroux Devtek | Aircraft Parts, Engines & Avionics | herouxdevtek.com |
| Heure De Pointe | Pizza & Pizzerias | facebook.com |
| Hidrone Imagerie Numérique | Aerial Photographers | hidartimages.com |
| Hipporay | Child Care Equipment & Supplies | — |
| Houde Magalie Dr | Dentists | — |
| Huynh Phuc Dr | Dentists | facebook.com |
| HÉROUX-DEVTEK INC. (Division Trains d'atterrissage) | Aerospace | herouxdevtek.com |
| Hélène de Léséleuc conseillère d´orientation psychothérapeute | Career Counselling | — |
| Héroux-Devtek Inc | Aircraft Parts, Engines & Avionics, Tout Entreprises et services | herouxdevtek.com |
| Hôpital Pierre-Boucher | Tout Communautés et société | santemonteregie.qc.ca |
| ICi Centre de Multi-Services | Beauty Salon Equipment & Supplies | — |
| Icils | Beauty & Fitness, Hairdressers & Beauty Salons | en.icilsmicroblading.com |
| Idea Communication | Advertising Agencies | ideacom.ca |
| IGA Extra | Not Profit, Grocery Stores | iga.net |
| Ilead Technologies Inc | Shopping Mall | facebook.com |
| Import Export Probec Intl | Balancing Service | — |
| Impression Logobec International Lt... | Tout Commerces au détail, Tout Entreprises et services | logobec.com |
| Impression Multi-Services Inc | Shopping Mall | facebook.com |
| Imprimerie Tr Enr | Arts & Crafts Supplies, Arts & Crafts Materials & Supplies | facebook.com |
| IMS Designs | Advertising Agencies | — |
| Industrie - L Inc | Aluminum | industrie-l.ca |
| Infox Design | Business Centres | facebook.com |
| Innova Medic | Beauty & Health Spas | innovamedic.ca |
| Innovant | Architects | — |
| Institut Aroma Beauté | Beauty Institutes | — |
| Institut Bella Vida | Beauty & Fitness, Hairdressers & Beauty Salons | institutbellavida.com |
| Institut biblique du Québec | Tout Communautés et société | ibq.ca |
| Institut Bl | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Institut De Recherche | Alternative Health | facebook.com |
| Institut Généalogique Drouin | Tout Entreprises et services | institutdrouin.com |
| Institut Nazareth et Louis-Braille | Tout Communautés et société | santemonteregie.qc.ca |
| Institute De Physiatrie Du | Not Profit, Medical Clinics | — |
| Intuitic Inc | Shopping Mall | facebook.com |
| INVESTISSEMENTS BSA INC. | Agri-food | bsa.ca |
| Investissements Crystal Water | Life Sciences and Health Technologies (LSHT) | http:// |
| Isabelle Choquette Podologie | Chiropodists | — |
| Iseco Safety Shoes LTD | Boots | facebook.com |
| Ivoire Santé Dentaire Longueuil | Artists | — |
| Jardin Select | Landscaping | jardinselect.ca |
| Jay-A-Shoes | Boots | facebook.com |
| Jc Promo + | Business Centres | facebook.com |
