We are Fenestration Experts.

with over 100 years of combined direct, hands on fenestration experience.

Trusted By

A white rectangular sign with a blue border and blue text that says 'reliance'. Reliance Construction Logo.
Canadian flag next to text that reads 'National Defence' in English and 'Défense nationale' in French. Canada National Defense Logo.
Colorful leaf design with the text 'Niagara Parks' in bold black letters. Niagara Parks Logo.
Official emblem of Canada Border Services Agency featuring a green pine tree inside a yellow shield, surrounded by gold maple leaves, topped with a crown, and with the text 'Borden' and 'E Prinicipio' on a banner, along with the word 'Canada' and a Canadian flag icon.
Logo with Canadian flag and a maple leaf, with the text 'National Defence' and 'Défense nationale' in English and French.
Black text reading 'reliance' inside a black rectangle on a white background.
Emblem featuring a crown, a maple leaf wreath, and a tree in the center with the words "Borden" and "Le Principio" and the word "Canada" with a small Canadian flag at the end.
Black and white logo for Niagara Parks featuring a stylized leaf and bold text.
Text on a white background reading "TREASURE HILL"

Why 3MA

Our team is made up of architects, project managers, manufacturers and dedicated installation specialists. Our process is the brainchild of our collective experiences.

“3MA are fenestration experts and we rely on them to deliver a complete fenestration solution”

D. Solo - Reliance Toronto.

We don’t just sell Windows and Doors

We offer complete fenestration systems ranging from $39/SF up to $2500/LF

Project highlight

A large stone building with arched windows next to a waterway, under a blue sky with scattered clouds, and a bridge with lamp posts in the background.

Niagara Parks

Size: 20,000 SF of openings

Challenge: Overall size and scale with heritage product.

Scope: Replace windows with more efficient product while maintaining heritage look and feel.

Solution: Pre-construction and logistical coordination prior to sitework.

Outcome: On budget, Zero delays

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