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

Progress on Public Sector OSHA 

Progress on Public Sector OSHA One of MassCOSH’s historic victories is about to hit an exciting benchmark. In 2019, after over a decade of advocacy, MassCOSH and our allies secured the expansion of OSHA protections to approximately 430,000 Massachusetts State ...
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Action call

Massachusetts Steelworkers

Your Activism is Working! Massachusetts Steelworkers your activism is Working! Last week, we sent an Action Call asking you to contact your state legislators and advise them banning gas connections is a bad decision. While we agree that we need to address ...
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Rapid response

United Steelworkers Rapid Response

Rapid Response information is shared through email. We also text action requests and information. To sign up for emails, visit the Rapid Response website at To sign up for texting, text uswrapid to the number 69866. We don’t text ...
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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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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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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

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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