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United Steelworkers

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Contact

Mailing Address
Attn: Myles Sullivan, Secretary-Treasurer 60 Boulevard of the AlliesPittsburgh, PA 15222
Phone
412-562-2400
Social Media

Officers 14

  • David R. McCall

    President

  • Myles Sullivan

    Secretary-Treasurer

  • Emil Ramirez

    Vice President

  • Kevin Mapp

    Vice President

  • Roxanne Brown

    Vice President

  • Luis Mendoza

    Vice President

  • Orville M. Warren

    National Director-Canada

  • Donald E. Blatt

    Director

  • Scott Lunny

    Director

  • David M. Wasiura

    Director

  • Nicolas Lapierre

    Director

  • Kevon Stewart

    Director

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

  • Amber Miller

    International Vice President at Large

  • Marty Warren

    National Director for Canada

From the union's website (opens in new tab)

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Federal Filing

Members Reported
507,315
Last Report
2025
Form
LM-2
File Number
94

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

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 Use Suggest an Edit above to tell us what's out of date.