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IUOE Local 37

Local IUOE

Local 37 ยท International Union of Operating Engineers

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Contact

Mailing Address
Attn: Mark McQuay, Business Manager/Financial Secretary 3615 North Point BoulevardBaltimore, MD 21222

Officers 12

  • Daniel S. Humbertson

    President

  • Mark F. McQuay

    Business Manager/Financial Secretary

  • Robert J. Pucci

    Treasurer

  • Thomas M. Boschi

    Vice President

  • Michael B. Funk

    Recording Secretary

  • Stephen Van Boesschoten

    Trustee

  • Thomas W. Costanzi

    Trustee

  • Seth C. Owens

    Trustee

  • James E. Nunley Jr.

    Executive Board

  • Phillip E. Grothe

    Executive Board

  • Michael J. McKew V

    Executive Board

  • Thomas I. Judge

    Executive Board

From the 2026 LM-2 report (opens in new tab)

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Federal Filing

Members Reported
1,596
Last Report
2026
Form
LM-2
File Number
24057

Members as the union reported them on its 2026 LM-2 report. Counts may include retirees and associate members.

NLRB cases for Local 37 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 Use Suggest an Edit above to tell us what's out of date.