About Steamfitters Local 601

Steamfitters Local 601 is comprised of approximately 2,200 members, and represents a fourteen county area in southeastern Wisconsin.

While the majority of Local 601's membership is comprised of Steamfitters and Refrigeration/Service Fitters, we do also represent various other classifications, such as gas distribution helpers and welders, warehouse, and non-destructive testing. Our members work on a variety of jobsites including residential and commercial heating and cooling systems, breweries, power plants, and projects.

For further information on any of the following topics, please click on the appropriate link.