Industry Partner Locals

Local 601 Steamfitters


The union HVAC and refrigeration techs, the pipe welders and fitters, installing comfort heating and cooling systems, grocery store refrigeration, gas line pumps, food & beverage piping, pharmaceutical and chemical systems, compressed air and gases, hydraulic, and fuel oil systems.  We install and maintain the pipelines that deliver oil to refineries and gasoline from them as well as natural gas to your homes.
Our members work in homes, hospitals, schools, offices and manufacturing plants.  You’ll find us at Miller Brewery and Harley Davidson, to the University of Wisconsin, and the State Capital.  We’re 2400 members strong performing our work throughout 14 counties in Southeastern Wisconsin.

Plumbers Union Local 75


Why should you insist on hiring only a union plumbing contractor? Union plumbers have completed a rigorous and competitive training program to become licensed professionals. The plumbing apprenticeship and training is comparable to a four-year college degree, ensuring only the best obtain certification. What’s more, the work of union plumbers is backed by our 5-year residential warranty—the longest warranty of its kind.

SMART Local #18


Sheet Metal Workers’ Local #18 covers the entire state of Wisconsin with the exception of Ashland, Bayfield, Douglas and Iron counties.
Local #18 was established October 1, 1982, as a result of an amalgamation of former locals 24 (Milwaukee), 33 (Fox Valley), 35 (Racine/Kenosha/Walworth), 42 (Fond du Lac/Manitowoc/Sheboygan), 64 (Eau Claire/La Crosse/Wausau), 279 (Madison), and 416 (Janesville).