Sheet Metal Workers International Association
Contact SMWIA Local 434
7089 Marino Place
Rancho Cucamonga, CA 91701
SMWIA Local 434 Officers
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About SMWIA Local 434The Sheet Metal Workers International Association (SMWIA) represents over 150,000 skilled craftpersons in the unionized sheet metal industry throughout the United States, Canada, and Puerto Rico. Sheet Metal Workers perform architectural metal work, installation and service of heating, ventilating and air conditioning systems, shipbuilding and much more.
Local Unions in Rancho Cucamonga, CAUAW Local 6645, USW Local 8065, PACE Local 1979