| L'Atelier Chaloub-Beaulieu Inc | Montréal | Architects |
| L'Atelier Ébénisterie Architecturale | Montréal | Kitchen Cabinets |
| L'Oeuf Architects | Saint-Henri | Tout Entreprises et services |
| L. McComber Ltée | Montréal | Architects |
| La Caravanne D'Architecture | Montréal | Architectural & Construction Specifications |
| Lafond Architecte | Saint-Léonard | Architects |
| Lambert Architecte Inc. | Montréal | Architects |
| Lanteigne Lighting Design | Montréal | Architectural Technologists |
| Laser 2 D-3 D Inc | Anjou | Architects |
| Le Groupe Gelinas Architectes | Saint-Lambert | Architects |
Publicité (Desktop) Publicité (Mobile) |
| Lemay Michaud Architecture Design Inc | Montréal | Architects |
| Les Architectes Labonté | Montréal | Architects |
| Les Cours Mont-Royal | Centre-Ville | Shopping Malls, Tout Commerces au détail |
| Les Entrepreneurs Debrum | Bois-Des-Filion | Architectural & Construction Specifications |
| Les Plans JSL | Salaberry-De-Valleyfield | Architectural & Construction Specifications |
| Les Services Techni-Plans Inc | Beloeil | Architectural & Construction Specifications |
| Lessard et Côté Architectes | Montréal | Architects |
| Lla Architecture | Longueuil | Architects |
| Loaidieu | Montréal | Architects |
| Louis Houle Architecte | Longueuil | Architects |
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| Lps Architecture&Gestion Inc. | Montréal | Architectural Technologists |
| Luc Plante Architecture design | Saint-Lambert | Architects |
| Lumay Design | Montréal | Architectural Technologists |
| M C Design Conception Architecturale | Montréal | Architectural & Construction Specifications |
| M G Design | Kirkland | Architectural & Construction Specifications |
| Mab Architecture | Candiac | Architects |
| Mab3 | Montréal | Architects |
| MAC Metal Architectural | Saint-Hubert | Tout Entreprises et services |
| Madame Design Architecture | Montréal | Architects |
| Maia Peauchamp | Montréal | Architects |
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| Maison De L'Architecture De L'Urbanisc | Montréal | Architects |
| Manic Image | Montréal | Architectural & Construction Specifications |
| Marc Jobin Architecte | Laval | Architects |
| Marie Verreault | Montréal | Architects |
| Martin Dufour Architecte | Montréal | Architects |
| Maurice Martel Architecte | Montréal | Architectural Technologists |
| Maurice Martel Architecte | Montréal | Architectural Technologists |
| MAVI Architectural Steel Ltd | Montréal | Balconies |
| Mc Architecture Canada | Montréal | Architectural & Construction Specifications |
| McLean Architecture | Saint-Lambert | Architects |
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| McNicoll Jean Eudes | Saint-Hubert | Architects |
| Menkes Shooner Dagenais Létourneux | Montréal | Architectural Technologists |
| Messaging Architech | Montréal | Architects |
| Michael McLean Architecte | Saint-Lambert | Architects |
| Michael Orsini Design | Pointe-Claire | Architectural Technologists |
| Michael Orsini Design | Montréal | Architectural Drawing, Architectural Technologists |
| Michel Lemaire Architecte | Verdun | Architects |
| Michelle Lafontaine Designer | Laval | Architectural Technologists |
| Mihajlovits Ivan | Mont-Royal | Architectural Technologists |
| Miniaci J Architectural Designs | Saint-Léonard | Architectural Technologists |
