International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers
Contact IBB Local 443
1809 SO 10TH STREET
MANITOWOC, WI 54220
IBB Local 443 Officers
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About IBB Local 443The International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers, AFL-CIO (IBB), commonly referred to as the Boilermakers Union, represents workers throughout the United States and Canada in construction, repair, maintenance, manufacturing, professional emergency medical services, and related industries.
Local Unions in MANITOWOC, WIGMP Local 301, USW Local 125, IAM Local 516, BMWE Local 425, NALC Local 490, UFCW Local 665, USW Local 6499, APWU Local 1030, AFSCME Local 913