| Ir Martin Benoît Gagnon Phys Ing | Saint-Augustin-De-Desmaures | ir |
| IRCA Rénovation | Montréal | Home Improvement |
| Irebec Construction Inc | Pointe-Aux-Trembles | Building Contractors |
| IREQ | Varennes | Tout Entreprises et services |
| Iridis Technologies Inc | Montréal | Camera & Photo Equipment Stores |
| IRIS Le groupe Visuel | Vaudreuil-Dorion | Tout Commerces au détail |
| IRIS Optométristes et Opticiens | Châteauguay | Medical Clinics |
| IRISCO du Québec Inc. | Unknown | Tout Informatique et internet |
| Irish Embassy Pub & Grill | Montréal | Brasseries |
| Iron Chain Bikes | Montréal | Bicycle Rental |
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| Iron Mountain | Montréal | Computer Networking |
| Iron Mountain | Montréal | Computer Networking, Computer Data Recovery |
| Iron Mountain Canada Inc. | Saint-Henri | Tout Entreprises et services |
| Iron Mountain Canada Operations ULC | Montréal | Information Technologies (IT) |
| Ironbelly Studios | Montréal | Information Technologies (IT) |
| Irosoft | Montréal | Information Technologies (IT) |
| IROSOFT Inc. | Montréal | Tout Entreprises et services, Tout Informatique et internet |
| Irrigation Boucherville | Boucherville | Tout Entreprises et services |
| Irrigation Du Haut Richelieu Inc | Saint-Hubert | Answering Machines & Equipment |
| Irrigation Dépôt | Montréal | Tout Commerces au détail |
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| Irriglobe | Saint-Léonard | Tout Entreprises et services |
| Irsue Dento Ltd | Guy | Dentists |
| IRT Saint Exupery | Urbain | Aerospace |
| Irwin Tl Anne | Kazabazua | tl |
| Irwin Togs Inc | Montréal | Caps & Gowns |
| IRYSTEC | Montréal | Information Technologies (IT) |
| Irène Finn | Québec | Real Estate Offices, Courtier immobilier |
| A M Irrigation | Montréal | Landscaping |
| American Iron & Metal Co. Inc. | Montréal | Tout Entreprises et services |
| ARCHIVES IRON MOUNTAIN | Lachine | Information Technologies (IT) |
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| Association Iris | Laval | Associations |
| Association Iris | Montréal | Associations |
| Centre communautaire Irving L. Adessky | Hampstead | Not Profit, library |
| Centre d'excellence en irradiation Gamma | Laval | Life Sciences and Health Technologies (LSHT) |
| Chambre de commerce Irlande - Canad... | Île-des-Soeurs | Tout Entreprises et services |
| Chambre De Commerce Irlande - Canada / Ireland C anada Chamber Of Commerce | Verdun | Chambers of Commerce |
| CULTURAL CENTER OF AGIA IRINI & AGIA MARKELA | Montréal | Blue Pages |
| Diagnostic IRM Inc | Montréal | Medical Clinics |
| Euro Metal Art Inc-Wrought Iron | Montréal | Balconies |
| European Iron Works Ltd | Montréal | Balconies |
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| Evets & Irol Faxinating Solutions I... | Dorval | Tout Informatique et internet |
| GESTION DE PROPRIÉTÉ INTELLECTUELLE IRON MOUNTAIN INC | Laval | Information Technologies (IT) |
| HELL. ORTH. ST-IRENE XRYSOVALANTOU & ST-MARKELAS C | Montréal | Blue Pages |
| Hurley's Irish Pub | Centre-Ville | Tout Bars et restaurants, Brasseries |
| IERA MONI AGIAS IRINIS CHRYSOVALANTOU | Laval | Blue Pages |
| Kelli Irvine Acupuncturist | Montréal | Acupuncturists |
| La casa de Iris. Atelier de peinture decorative et bricolage | Trois-Rivières | Art Schools |
| Les Entreprises Ironjoe Inc. | Châteauguay | Landscaping |
| Massage SPA Esalen Irena Lilianova CMT | Montréal | Massage Therapy |
| Mckibbin's Irish Pub | Montréal | Tout Bars et restaurants, Brasseries |
