Provincewide, Ontario (2,300 construction millwrights, industrial mechanics) and the Millwright Regional Council of Ontario/United Brotherhood of Carpenters and Joiners of America, Locals 1007, 1151, 1244, 1410, 1425, 1592, 1916, 2309
![Association of Millwrighting Contractors of Ontario](https://cdn-res.keymedia.com/cdn-cgi/image/f=auto/https://www.hrreporter.com/dynamicdata/images/img10580_Millwright_Ontario.jpg)
Renewal agreement: Effective May 26, 2019 to April 30, 2022. Signed on May 10, 2019.