What We Do
Contractors and owners depend on our members to erect, maintain and repair power houses, steel mills, refineries, pressure vessels and tanks, environmental control systems and other heavy industry projects.

Who We Are
We are second to none in quality and performance, with top-notch welders, mechanics and riggers. Our MOST tripartite alliance, with 17 industry-leading programs, ensures that we work closely with contractors and owners in a partnership designed to deliver projects safely, on time and on budget.

Who We Represent
Boilermakers Local 374 represents highly-skilled, highly-motivated workers in field construction and metal fabrication throughout the state of Indiana