Member United Steel Workers

SENA 9158




Vice President

Financial Secretary


Recording Secretary

Joseph Smith

Michael Mackan

Keith Henderson

Joseph Plagenza

Lisa Menino

Leading the way

Building and Maintaining a Better City Together

Sena Local 9158 is a United Steel Workers local union. Sena represents public employees in Massachusetts. Our members do some of the most important jobs in the City of Boston every day to keep the City thriving and moving forward.

Below are just some of the important jobs our members take pride in doing. Click the link below to learn more about our union and it’s members.

Community Centers
Construction Projects

Latest Member News

Featured Article

Warning: Do Not Be Fooled. This Notice is Not from the Union.

Here we go again! Warning this is not from the union. It is from an anti Union organization. Just discard! Neither SENA or the USW sent out this mailer. The …

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Joseph Smith
Joseph Smith

City of Boston Annual Health Insurance Opt-Out

OPT-OUT PROGRAM FAQS This article is intended for:City employees This article may be relevant to:Department …

Joseph Smith
Joseph Smith

USW on Pride Month: It is Our Honor and Duty to Uplift Our LGBTQ+ Siblings

UN 01, 2024 For Immediate Release: Sat., June 1, 2024Contact: Chelsey Engel,, 412-212-8173 (Pittsburgh) – The United …

Joseph Smith
Joseph Smith

Veteran of USW SENA Local 9158

This is a resource for USW Members who served or who are serving our country. …

Joseph Smith
Joseph Smith

Marijuana, Safety, and Fairness

Marijuana, Safety, and Fairness: Part 1 Evolving Legal Landscape Reshaping Opinions on Marijuana Use and …

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Latest USW News

  • — The following article is part of the Stories of Pride profile series by the USW LGBTQ+ Advisory Committee. As Abagael West (they/them) wrapped up the academic year at the University of Pittsburgh this past […]
  • By Julie SteinSOAR Director In mid-May, Tammie Botelho, a retiree from Bic Corporation and proud member of USW Local 134L in Milford, Connecticut, joined dozens of SOAR members and hundreds of rank-and-file Steelworkers for the […]
  • — The following article is part of the Stories of Pride profile series by the USW LGBTQ+ Advisory Committee. As a Trans person and a worker, Jamie Martinez (they/them) knows that the struggle for dignity […]
  • By Bill PientaSOAR President Unfortunately, COVID-19 caused many of our SOAR chapters to either stop entirely or reduce significantly doing what we do best: dealing face-to-face with people. Many chapters stopped holding meetings, and those […]
  • For Immediate Release: Sat., June 1, 2024Contact: Chelsey Engel,, 412-212-8173 (Pittsburgh) – The United Steelworkers (USW) President David McCall, along with the USW LGBTQ+ Advisory Committee, released the following statement in honor of Pride […]
  • When Janet Baic first started working at Tenaris Algoma Tubes in Sault Ste Marie, Ontario, in 2013, she was only one of a handful of women at the Canadian pipe manufacturing facility. Now, in 2024, […]
Your Union
Your Voice

Steelworkers are men and women of every ethnic background from cities and towns in every region of our countries,

United Steel Workers

USW democracy begins at home, in more than 1,800 local unions throughout Canada, the United States and the Caribbean. Membership is open to all without discrimination.

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Solidarity Works Podcast

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Leading the way

A voice when
workers need a voice.

Established 1986
Member Benefits

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about Sena 9158

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