60th Anniversary!
The association began in 1931 under the name of Ottawa Master Plumbers’ Association.
On May 6th, 1966, association was incorporated under the name the Mechanical Contractors Association of Ottawa
In November 1967, Sheet Metal Contractors of Ottawa joined MCA Ottawa.
Our Mission
MCA Ottawa’s mission is to bridge management and labour. We aim to ensure fair negotiations, foster positive union relationships, and support the mechanical trades. We are dedicated to creating a stable and prosperous environment for our members.
Featured News
New Member Highlight
New Associate Members Through an inspired blend of innovation, efficiency and over 150 years of expertise, A. O. Smith continues to set the industry standard for performance and quality of…
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Annual General Meeting – Thank you!
2026 Annual General Meeting – Thank you Thank you to all MCA Ottawa members who attended and provided a proxy for our 2026 AGM. This year marks a significant milestone…
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Member Highlight – Alliance Construction & Engineering
Celebrating Leadership at Alliance Engineering & Construction We are proud to share that Karine Génier, CPA, CA , CFO & Partner, has been named one of Ottawa’s Forty Under 40…
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Suppliers, Manufacturers & Service Providers
Becoming a member is a strategic move for businesses looking to grow, connect, and thrive in their community.
Become a member today!
