Boston, Massachusetts
SENA LOCAL 9158
Unity and Strength for Workers

Sena Local 9158 is a member of United Steel Workers
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.
Arborist
Community Centers
Transportation
horticulture
EMS
Construction Projects
Latest Member News
2025 BCYF Secret Santa Program – Help us spread some joy!

U.S. Pharmaceutical Jobs Are Going To India
USW Local 8-957 members in Morgantown, W.Va., are the best at what they do: making life-saving medicine for Viatrice, formerly Mylan. But the new company…
Sticking with Our Core Values: Investing in American Infrastructure
Infrastructure Educational Series – Issue 1 Our union launched a campaign, We Supply America, because we know our nation needs aggressive investment in infrastructure to help revitalize…
Time to Step Up for Our Tire Sector
Contact your Senators and Representatives TODAY! As the largest union in tire manufacturing, the USW has taken the threat of increased dumped and subsidized tire…
Tell the Senate to Pass the PRO Act
Contact Your Senators Today! Today, on Workers Memorial Day, we are acutely aware that workers’ safety and their ability to have a voice on the…
Workers Memorial Day 2021: Renew the Promise; Safe Jobs for All
A Message From Tom Conway, USW International President Fifty years ago on April 28, the Occupational Safety and Health Act went into effect, promising every…
Time to Put on the Pressure, Steelworkers!
Tell your Representative to vote YES on H.R. 1195! At our 2019 Conference, over 650 Steelworkers took to the streets in Washington, D.C. to send…
Latest USW News
- USW, Allies Slam Pause in Shipbuilding Relief Measures, Call on USTR to Prioritize National SecurityContact: Jess Kamm Broomell, jkamm@usw.org, 412-562-2444 (Pittsburgh) – The United Steelworkers union (USW) along with labor allies this week called on the United States Trade Representative (USTR) to stand firm on Section 301 trade relief […]
- Contact: Jess Kamm Broomell, jkamm@usw.org, 412-562-2444 (Pittsburgh) – A historic new slate of officers will take over leadership of the United Steelworkers (USW) in March following the union’s regular four-year nomination and election process that […]
- Contact: Jess Kamm Broomell, jkamm@usw.org, 412-562-2444 (Massena, N.Y.) – United Steelworkers (USW) District 4 Director Dave Wasiura issued the following statement in response to Alcoa’s announcement that it secured a 10-year energy contract and will […]
- Contact: R.J. Hufnagel, rhufnagel@usw.org, 412-562-2450 PITTSBURGH – The United Steelworkers (USW) released the following statement today from International President David McCall and International Association of Machinists (IAM Union) International President Brian Bryant in response to […]
- FOR IMMEDIATE RELEASE: Fri., Oct. 3, 2025Contact: Chelsey Engel, cengel@usw.org, 412-212-8173 (Fontana, Calif.) – More than 8,600 Kaiser Permanente health care workers represented by USW Local 7600 have officially issued a 10-day notice of intent […]
- Contact: R.J. Hufnagel, (412) 562-2450, rhufnagel@usw.org (PITTSBURGH) – Leo W. Gerard, who led the United Steelworkers (USW) as the union’s international president for more than 18 years, died on Sunday, Sept. 21, 2025. Gerard, who […]
United Steel Workers
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