Welcome to the Mechanical Contractors Association Hamilton Niagara!

MCAHN is an accredited bargaining agency with the Ontario Labour Relations Board and represents all Unionized Mechanical Contractors working in Hamilton, Niagara and surrounding areas.

The Mechanical Contractors Association Hamilton Niagara is a not-for-profit organization founded in 1966 to provide the following:

  • Union-Management Coordination/Representation
  • Joint Apprenticeship Administration
  • Education Programs
  • Scholarships
  • Government Liaison
  • Community Support
  • Social/Networking Opportunities
  • Conference Sponsorships
and much more!

Learn more about our association:

  • Information about The Mechanical Contractors Association Hamilton Niagara and how we work
  • Our full membership directory for The Mechanical Contractors Association Hamilton Niagara
  • Information about our Education and Scholarship and Application Form
  • Industry Links to other web sites
  • Information about our home at Construction House in Hamilton, Ontario Canada

Rachael Lolua
Association Manager
Greg Crawford
2020-2021 President

Learn Why

The Union Safety Effect Report, prepared by the Institute of Work & Health, re-confirming findings that unionized construction work is safe work. In fact, building trades unions in Ontario’s ICI construction sector are 31% safer when compared to non-union firms. Our members are proud of being a safety leader in Ontario’s construction industry.

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