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Association of Architectural Technologists of Ontario

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About AATO

The Association of Architectural Technologists of Ontario is a registered not for profit organization founded in 1969. We are a government of Ontario legislated, self-governing body that regulates the use of titles through the Association of Architectural Technologists of Ontario Act, 1996, AATO BY Law 1-82. We are the only governing authority in Ontario that protects the Architectural Technologist, Architectural Technician, Registered Building Technologist, Registered Building Technician and the French equivalents of these titles.

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AATO welcomes Ontario-based Architectural Technologists and Technicians and Building Technologists and Technicians to become full members in this more than 50 year-old Association.


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Association of Architectural

Technologists of Ontario

Address: 

80 Maritime Ontario Blvd, Unit 225

Brampton, Ontario L6S 0E7


Phone: (905) 405-0840

Toll Free Phone: (866) 805-2286

General inquiries: inquiries@aato.ca

Office Admin: officeadministration@aato.ca

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Join us to network with experienced members and chapters. Get updated information seminars on latest building materials and methods.

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