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IAM Lodge 66

Local IAM

Lodge 66 ยท International Association of Machinists

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Contact

Mailing Address
Attn: Kenneth Mullan, Secretary-Treasurer 1650 S. 38th StreetMilwaukee, WI 53215

Officers 8

  • Michael A. Ottel

    President

  • Kenneth A. Mullan

    Secretary-Treasurer

  • Michael A. Stark

    Vice President

  • Jonathan Zancanaro

    Recording Secretary

  • Donald Aiello

    Trustee

  • Liam Maltz

    Trustee

  • Thomas Schaab

    Trustee

  • Adam L. Dudenhoefer

    Conductor Sentinel

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

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Federal Filing

Members Reported
1,972
Last Report
2025
Form
LM-2
File Number
36674

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

NLRB cases for International Association of Machinists (IAM) Elections and unfair labor practice charges across the whole union, 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 Use Suggest an Edit above to tell us what's out of date.