United Association Local 46 is a Toronto-based Union made up of over 9,000 highly-skilled Plumbers, Steamfitters and Welders. Our standards are the highest in the piping trades.
Founded in 1890, only 23 years after Confederation, we are the oldest United Association Union in Canada. 2020 marks our 130th year and over those years our members have been serving the Greater Toronto Area providing excellence in plumbing, welding and steamfitting.
We’ve helped Toronto grow from a population of just over 180,000 in 1890 to the 5.9 million person, world-class metropolis it is today. We’re proud to have been an important part of Toronto’s growth.
UA Local 46 has one of the most sophisticated training facilities and apprenticeship training programs in Canada.
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