Member Unions

Strengthen Wisconsin Communities By Empowering Our Voices

The Wisconsin Building Trades Council (WBTC) is a central labor body that fosters relationships with seven regional building trades councils in the state. Our 15 member unions represent more than 40,000 voices and cover every building and construction trade. We are working together to create a stronger, healthier and more successful future for our workforce, our communities and our state.

International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers Union 107

Bricklayers and Allied Craftworkers District Council of Wisconsin

North Central States Regional Council of Carpenters

Operative Plasterers’ and Cement Masons’ Local 599

International Brotherhood of Electrical Workers

International Union of Elevator Constructors

International Association of Heat and Frost Insulators and Allied Workers

Ironworkers District Council of North Central States

The Wisconsin Laborers’ District Council

International Union of Operating Engineers Local 139

International Union of Painters and Allied Trades District Council 7 & DC 82

United Union of Roofers, Waterproofers, & Allied Workers

International Association of Sheet Metal, Air, Rail, and Transportation Workers Local 18 And Local 10

International Brotherhood of Teamsters Local 200

The Wisconsin Pipe Trades Association