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International Union of Operating Engineers

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Contact

Mailing Address
Attn: James Sweeney, Secretary-Treasurer 1125 17th Street, N.W.Washington, DC 20036
Phone
202-429-9100
Social Media

Officers 12

  • John L. Downey

    President

  • James M. Sweeney

    Secretary-Treasurer

  • Thomas A. Callahan

    Vice President

  • Edward J. Curly

    Vice President

  • Michael Gallagher

    Vice President

  • Patrick J. Kelly

    Vice President

  • Daren R. Konopaski

    Vice President

  • Gregory Lalevee

    Vice President

  • William M. Lynn

    Vice President

  • Terrance E. McGowan

    Vice President

  • Danny D. Reding

    Vice President

  • David Sikorski

    Vice President

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

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Federal Filing

Members Reported
413,007
Last Report
2025
Form
LM-2
File Number
159

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

NLRB cases for International Union of Operating Engineers Elections and unfair labor practice charges on LaborLab Search

Sources 3

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 Use Suggest an Edit above to tell us what's out of date.