WORKING TIRELESSLY FOR THE RIGHTS AND PROTECTIONS OF OUR MEMBERS
Unity and Strength for Workers
Sena Local 9158 is a United Steel Workers local union. Sena represents public employees in Massachusetts.
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.
ABOUT SENA 9158
Building and Maintaining a Better City Together
SENA 9158 (Salaried Employees of North America, part of the United Steelworkers) represents Boston city employees in various essential roles, advocating for fair terms, better working conditions, and contract enforcement in departments like Parks & Rec, Boston Centers for Youth and Families, and Inspectional Services, covering jobs from public works and transportation to emergency medical services, ensuring these public servants have a voice and strong representation for city services to function effectively.
Below are just some of the important jobs our members take pride in doing. Click here to learn more about our union and it’s members.
Essential City Services
Inspection Services
Public Works & Environment
Data & Administration
Community & Youth Services
Transportation & EMS
MEMBER NEWS
Latest SENA 9158 News
Stay up to date on your union activities, information and interesting articles
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Action Call
Join the Fight to Save America’s Tire Industry and USW Jobs! SIGN THE PETITION NOW (usw.to/rubber) For generations, tire plants have provided good, family-supporting jobs, and helped build strongcommunities across our country. But those jobs, our members’ jobs, are disappearing at an alarmingrate. Domestic tire production has declined roughly 40 percent since 2000, while imports…
Posted by Joseph Smith
Read more: Action Call
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Stand in Solidarity Honor the Line stand with Encore Boston Harbor Casino workers if they strike.
As most of you know there is a possibility that Teamster 25 and UNITE HERE 26 members could strike at Encore Casino after 9/1. Leading up to the deadline, check on the labor status before visiting Encore and to never cross the line. Click here to see the status and sign a pledge to stand with…
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In Memory of Louisa Gag
A life gone to soon. SENA is deeply saddened by the loss of our sister, Louisa Gag! Louisa was only 39 years old when her life was cut short suddenly on July 9th while riding her bike to work, she was struck by a truck and lost her life. Louisa will be sadly missed by…
Posted by Joseph Smith
Read more: In Memory of Louisa Gag -
Protect Public Safety and USW Jobs in Massachusetts:Tell Your State Senator to Oppose Changes to Gas Meter Replacement Protocol
Protect Public Safety and USW Jobs in Massachusetts:Tell Your State Senator to Oppose Changes to Gas Meter Replacement Protocol The Massachusetts Senate will soon be considering energy legislation which we are concerned may weaken important gas safety inspections by ending the requirement that gas meters be replaced every seven years. We are asking Massachusetts State…
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SAVE Act Silences Eligible Voices at the Ballot Box!
On February 11, 2026, the House of Representatives took a Senate-passed bipartisanveterans bill, stripped its content, and used it as a vehicle to pass the Safeguard AmericanVoter Eligibility (SAVE) Act by a vote of 218 to 213 (usw.to/5kn). Senate Majority LeaderThune has announced that the Senate will take up the SAVE Act this week. The…
Posted by Joseph Smith
Read more: SAVE Act Silences Eligible Voices at the Ballot Box! -
Despite Relentless Attacks, Nearly Half a Million Workers Unionized in 2025
Breaking News 📰Despite Relentless Attacks, Nearly Half a Million Workers Unionized in 2025 New data released today by the U.S. Bureau of Labor Statistics (BLS) shows union representation grew by 463,000 in 2025, bringing the total number of workers represented by union contracts to 16.5 million. Thanks to years of sustained organizing, 11.2% of all wage and salary…
Posted by Joseph Smith
Read more: Despite Relentless Attacks, Nearly Half a Million Workers Unionized in 2025 -
Labor Movement Mourns Passing of Gerard, Former USW President
On Sunday, former United Steelworkers (USW) International President Leo W. Gerard, the longest tenured president in the union’s history, passed away. Remembered as a relentless fighter for his members who oversaw a remarkable period of growth for the USW and a champion for international labor solidarity, his dedication and accomplishments continue to live on. “Leo Gerard…
Posted by Joseph Smith
Read more: Labor Movement Mourns Passing of Gerard, Former USW President
United Steel Worker News
Latest news from United Steel Workers
- Members from across the United States and Canada gathered in Providence on Oct. 4-7 for the USW Health Care Workers Conference, bringing together the frontline workers who care for patients, families, and communities while fighting […]
- Thanks to your incredible and quick activism, Amendment A04570 to SB 1260 passed the Pennsylvania House unanimously! That’s right. Every single member of the House voted our way. Over the past several days, USW members […]
- Members of the USW Atomic Energy Workers Council (AEWC) sharpened their advocacy skills, discussed pressing sector issues with administration leaders, and built cross-border solidarity at their biannual meeting in Arlington, Va., this September. AEWC Council […]
- Click here to download this Info Alert as a PDF. With early voting underway, Hoosiers can now cast their ballots through Tuesday, November 3, and vote on two proposed constitutional amendments. Before casting your ballot, […]
- Click here to download this Action Call as a PDF. SB 1260, which is currently under consideration in the Pennsylvania House of Representatives, is being presented as an electrical licensing bill aimed primarily at the […]
- USW’s Founding Has its Roots in Organizing Drive that Began in 1936 It was 90 years ago – in the sweltering heat of one of the warmest and driest summers in American history – that […]
Our union is democracy in action. When we’re divided, we are vulnerable. But together, we’re unstoppable.
By working together, we bargain strong contracts that raise wages, strengthen benefits and advance workplace health and safety.
We give workers across a wide spectrum of industries a voice on the job, and our advocacy has helped bring about some of the most important labor laws.
And we’re not done yet.
WATCH OUR VIDEOS
Learn more about our union and what we do
These videos will help you learn more about Sena Local 9158 and it’s impact on the City of Boston.
