| Groupe Des Sept Ateliers D'Architecture Inc | Longueuil | Architects |
| Groupe Diago Inc | Longueuil | Architects |
| Groupe Lauvac | Montréal | Architects |
| Groupe Masella | Montréal | Architects |
| Guy Demers Architecte | Montréal | Architects |
| H2O Naval Architecture | Montréal | Architects |
| Habitat 67 | Montréal | Tout Entreprises et services, Architects |
| Habitat-Fix Inc | Longueuil | Architects |
| Hanganu Dan S | Montréal | Architects |
| Hansak | Longueuil | Architects |
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| Harold Ship Architect | Montréal | Architects |
| Hassoun Cam | Montréal | Architects |
| HOT LINE | Montréal | Blue Pages |
| Hui Architecte | Montréal | Architects |
| HYDRO-QUEBEC | Montréal | Blue Pages |
| HYDRO-QUEBEC/Urgence 24-heures | Montréal | Blue Pages |
| Héloise Thibodeau Architecte | Montréal | Architects |
| Iancu Pruncut Architecte | Verdun | Architects |
| IBI Group | Montréal | Architects |
| INFO-SANTE | Montréal | Blue Pages |
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| Innovant | Longueuil | Architects |
| Inscape Le Studio | Montréal | Architects |
| Jean Bluteau | Montréal | Architects |
| Jer Greene, Aia + Cphc | Verdun | Architects |
| Jlp Architecture | Montréal | Architects |
| Jodoin Lamarre Pratte Architectes Inc | Montréal | Architects |
| Jodoin Lamarre Pratte Architectes Inc | Montréal | Architects |
| Julie Forbes Design | Longueuil | Architects |
| Julien Valade Architecte | Montréal | Architects |
| Jutras Architecture Inc | Brossard | Architects |
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| Konik Studio | Montréal | Architects |
| L'Atelier Chaloub-Beaulieu Inc | Montréal | Architects |
| L'Oeuf Architects | Saint-Henri | Tout Entreprises et services |
| L. McComber Ltée | Montréal | Architects |
| Lafond Architecte | Saint-Léonard | Architects |
| Lambert Architecte Inc. | Montréal | Architects |
| Laser 2 D-3 D Inc | Anjou | Architects |
| Le Groupe Gelinas Architectes | Saint-Lambert | Architects |
| Lemay Michaud Architecture Design Inc | Montréal | Architects |
| Les Architectes Labonté | Montréal | Architects |
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| Lessard et Côté Architectes | Montréal | Architects |
| Lla Architecture | Longueuil | Architects |
| Loaidieu | Montréal | Architects |
| Louis Houle Architecte | Longueuil | Architects |
| Luc Plante Architecture design | Saint-Lambert | Architects |
| Mab Architecture | Candiac | Architects |
| Mab3 | Montréal | Architects |
| Madame Design Architecture | Montréal | Architects |
| Maia Peauchamp | Montréal | Architects |
| Maison De L'Architecture De L'Urbanisc | Montréal | Architects |
