Joseph Smith

John Sinagra
Vice President

Keith Henderson
Financial Secretary

Joseph Plagenza

Lisa Menino
Recording Secretary

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
Emergency Medical Services
Construction Projects

Member News


SENA would like to thank the City for this opportunity. We hope it will be a success and that it carries forward after the initial pilot. Attached it the MOA. This is not the policy just the MOA. The city ...
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USW Rapid Response Fall News Letter

Thu, Oct 14, 2021 at 10:12 AM Fall 2021The work we do in Rapid Response is always centered around our core values. When we talk about investing in our nation’s infrastructure, it’s both an economic issue that impacts our workplaces ...
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Wage theft is a major problem in Massachusetts, resulting in nearly $1 billion being stolen from workers annually through non-payment of wages; payments below the minimum or promised wage; non-payment of overtime; and misclassification of employees as independent contractors. This ...
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2022 City of Boston Opt-Out Program

f you choose to receive coverage under another medical plan outside of the City of Boston's group coverage, you may waive the City of Boston plan and receive an annual Opt-Out payment through your paycheck. The Annual Enrollment period for ...
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Action call

Massachusetts Communities Deserve
Good Jobs and Climate Justice.

Recently, we sent an InfoAlert ( to tell you about our concerns regarding efforts in Massachusetts to ban the use of natural gas in new and renovated buildings. We are proud of the work our USW gas workers do every ...
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Rapid response

It’s Time to Put Workers First.

Last week, we told you about two bills, a Senate passed bill, S. 1260, the United States Innovation and Competition Act (USICA), and its counterpart in the House, H.R. 4521, the America COMPETES Act. In the coming weeks, these two ...
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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.

Latest News

See what's going on at See all the latest news here.

Solidarity Works Podcast

Listen to the latest episode of Solidarity Works

USW News

Leading the way

A voice when
workers need a voice.

Established 1986
Member Benefits

A safe, healthy working environment is a right not a privilege.

Mailing address

15 Court Street
Boston, MA 02108

Contact phone


Contact email

Click a link in the top menu to contact an executive board member, steward, officer or trustee.

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    Sena Local 9158

    This site is intended to provide a place for instant communication with our membership, creating a means to inform you of the latest news, contact information and upcoming events