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About
McCallum Sather Architects (MSA), is a well-established and leading professional services firm centrally located in the Golden Horseshoe area. MSA provides architectural, engineering, and interior design services to a broad spectrum of institutional and private sector clients.
Our focus on Sustaina…
Read MoreServices
Architectural Design
Mechanical Engineering
Interior Design
LEED Facilitation
Heritage Consultation
Member Since: December 19, 2013