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USW Local 666

Local USW

Local 666 ยท United Steelworkers

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Contact

Mailing Address
Attn: Peter Sackmann, Treasurer 5375 North 60th AvenueWausau, WI 54401

Officers 12

  • James Zyduck

    President

  • Peter B. Sackmann

    Treasurer

  • Jeffrey Griepentrog

    Vice President

  • Michael B. Guillaume

    Recording Secretary

  • Casey Chiapuzio

    Trustee

  • Derek Schilling

    Trustee

  • Eric Schwede

    Trustee

  • Andy Benaszeski

    Steward

  • Jason Leitzke

    Steward

  • Brad McGhee

    Steward

  • Tyler Schertz

    Steward

  • John Stokka

    Sergeant at Arms

From the 2025 LM-3 report (opens in new tab)

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Federal Filing

Members Reported
98
Last Report
2025
Form
LM-3
File Number
20984

Members as the union reported them on its 2025 LM-3 report. Counts may include retirees and associate members.

NLRB cases for Local 666 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 Use Suggest an Edit above to tell us what's out of date.