Provincewide, Alberta (3,400 construction workers) and the International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers, Local 146
![Boilermaker Contractors’ Association of Alberta](https://cdn-res.keymedia.com/cdn-cgi/image/f=auto/https://cdn-res.keymedia.com/cms/images/ca/126/0299_637598900465973962.jpg)
Renewal agreement: Effective Sept. 6, 2020 to Dec. 31, 2023. Signed on Sept. 1, 2020.