For more than 100 years, Pipefitters Local 537 has proudly represented pipefitters, welders and HVAC technicians in the Boston area. We are proud members of the United Association.
Since 1911, Local 537 has been guided by our commitment to quality craftsmanship, safety and opportunity. With world-class training and cutting-edge technologies, we are confident that our members will continue to lead the piping industry for generations to come.
Timeline of Pipefitters Local 537
1921
Membership of Local 537 asks for a 50 cent per-hour wage increase, and receive a seven month lock-out that only ends when they return to work for a reduction in wages to 90 cents per hour.
1936
The UA General Office orders Helpers Local 635 to merge with Steamfitters Local 537, further bringing the Union structure to its present form.
1952
The Refrigeration Fitters of Local 537 apply for and are granted a separate charter by the UA, creating Local 801. 801 operates until January 1958, when UA GP Peter Schoeman issues an order of consolidation to bring the two Unions together.
2019
Local 537 opens its brand-new, state-of-the-art training facility and new headquarters in Dorchester.