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UA Local 434

Local PPF

Local 434 ยท United Association of Plumbers and Pipefitters

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Contact

Mailing Address
Attn: Mitch Runge, Business Manager 885 Indianhead DriveMosinee, WI 54455

Officers 11

  • Casey J. Westberg

    President

  • Mitch R. Runge

    Business Manager

  • Timothy R. Emerson

    Vice President

  • Lucas J. Wayda

    Recording Secretary

  • Russell J. Boos

    Business Agent

  • Gregory A. Erickson

    Business Agent

  • Douglas P. Potapenko

    Business Agent

  • Mark R. Hamsing

    Executive Board

  • Jeffrey J. Iczkowski

    Executive Board

  • Jacob W. Johnson

    Executive Board

  • Samuel T. Ricci

    Executive Board

From the 2025 LM-2 report (opens in new tab)

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Federal Filing

Members Reported
1,192
Last Report
2025
Form
LM-2
File Number
540784

Members as the union reported them on its 2025 LM-2 report. Counts may include retirees and associate members.

NLRB cases for Local 434 Elections and unfair labor practice charges on LaborLab Search

Sources 2

Listings come from public filings with the U.S. Department of Labor and from the organizations' own websites, as of the dates under Sources. Details change, and we may have them wrong. Check with the organization before you rely on them. Use Suggest an Edit above to tell us what's out of date.