Local 158

Just what is the Boilermakers union?

We’re an elite membership of skilled craftsmen and women and industrial workers, trained and committed to stand apart as the best. We’re the choice for workers who want an innovative, forward-thinking union that looks out for its members today and tomorrow. And we’re the choice for owners, contractors and other employers who want to get the job done right—on time, within budget and safely. Every time.

Komatsu Peoria Manufacturing Operations displays a sign thanking Boilermakers Union Local 158 for making a difference.

We would like to thank our Union Brothers and Sisters and their families for joining Boilermakers Local 158 as we walked to show our Union solidarity at the Labor Day parade.

Recent News

Komatsu gave a nod to its employees from Local 158 (Peoria, Illinois) and included the Boilermakers seal in a billboard honoring local Peoria charity ART, Inc (https://artincpeoria.org/). As part of the company’s Tons of Support program, Komatsu uses billboards to recognize and raise awareness of a different Central Illinois nonprofit or an occasion, such as Veteran’s Day, each month. Komatsu celebrated its 100th anniversary in 2020, and L-158 Boilermakers make Komatsu heavy haul trucks.