The sheet metal workers international association was a trade union of skilled metal workers who perform architectural sheet metal work fabricate and install heating and air conditioning work shipbuilding appliance construction heater and boiler construction precision and specialty parts manufacture and a variety of other jobs involving sheet metal.
International sheet metal union.
Established in 1903 sheet metal workers local 105 resulting from the merger of local 108 and local 102 serves the southern california counties of los angeles orange riverside san bernardino kern inyo and mono.
C was chartered by the afl cio in 2013.
The international association of sheet metal air rail and transportation workers smart a north american labor union headquartered in washington d.
Our members are part of the building and construction trades.
The sheet metal arm of smart formerly the sheet metal workers international association represents 136 000 members in the sheet metal and related trades.