| Ghoche Architecte | Montréal | Architectural Technologists, Architects |
| GKC Architectes S.E.N.C | Montréal | Architects |
| Glap Design & Architecture | Montréal | Architects |
| Graph Architecture | Montréal | Architects |
| Groupe Blanchette Imobilier Inc | Chambly | Architectural & Construction Specifications |
| Groupe CHBA | Montréal | Architects |
| Groupe Consultant DCAD Inc | Montréal | Architectural & Construction Specifications |
| Groupe Des Sept Ateliers D'Architecture Inc | Longueuil | Architects |
| Groupe Diago Inc | Longueuil | Architects |
| Groupe Falardeau Design Architecture | Saint-Eustache | Architectural Technologists |
Publicité (Desktop) Publicité (Mobile) |
| Groupe Gcl | Pointe-Claire | Architectural & Construction Specifications |
| Groupe Lauvac | Montréal | Architects |
| Groupe Marchand Design et Architecture | Montréal | Architectural & Construction Specifications |
| Groupe Masella | Montréal | Architects |
| Guerti | Montréal | Architectural Technologists |
| Guillaume Lévesque Architecte | Montréal | Architectural Technologists |
| Guy Demers Architecte | Montréal | Architects |
| H2O Naval Architecture | Montréal | Architects |
| Habitat 67 | Montréal | Tout Entreprises et services, Architects |
| Habitat Cible Inc | Terrebonne | Architectural Technologists |
Publicité (Desktop) Publicité (Mobile) |
| Habitat Consult | Repentigny | Architectural & Construction Specifications |
| Habitat-Design | Granby | Architectural Technologists |
| Habitat-Fix Inc | Longueuil | Architects |
| Hal Ingberg Architecte | Montréal | Architectural Technologists |
| Hanganu Dan S | Montréal | Architects |
| Hansak | Longueuil | Architects |
| Harold Ship Architect | Montréal | Architects |
| Hassoun Cam | Montréal | Architects |
| Hui Architecte | Montréal | Architects |
| Héloise Thibodeau Architecte | Montréal | Architects |
Publicité (Desktop) Publicité (Mobile) |
| Héritage Ébénisterie Architecturale | Saint-Jean-Sur-Richelieu | Cabinet Makers |
| Iancu Pruncut Architecte | Verdun | Architects |
| IBI Group | Montréal | Architects |
| Innovant | Longueuil | Architects |
| Inscape Le Studio | Montréal | Architects |
| Intégral Jean Beaudoin | Montréal | Architectural Technologists |
| IVADO | La Tour | Information Technologies (IT) |
| IVAP | Saint-Léonard | Answering Machines & Equipment |
| Ivision Group | Westmount | Medical Clinics |
| Ivoire Santé Dentaire Longueuil | Longueuil | Artists |
Publicité (Desktop) Publicité (Mobile) |
| Ivystudio | Montréal | Architectural Technologists |
| Jean Bluteau | Montréal | Architects |
| Jean Yves Mesquita T P | Bois-Des-Filion | Architectural & Construction Specifications |
| Jean-François Dubé | Brossard | Architectural & Construction Specifications |
| Jer Greene, Aia + Cphc | Verdun | Architects |
| JGL Plans & Solutions Inc | Laval | Architectural Technologists |
| Jlp Architecture | Montréal | Architects |
| Jodoin Lamarre Pratte Architectes Inc | Montréal | Architects |
| Jodoin Lamarre Pratte Architectes Inc | Montréal | Architects |
| Julie Forbes Design | Longueuil | Architects |
