Stickney, Illinois

Koppers Carbon Materials to lay off 60 workers in Stickney, Illinois

The closure takes effect December 31, 2026, according to the company’s filing with the Illinois Department of Commerce and Economic Opportunity.

By Today’s Layoffs staff

Published

jobs As filed with the state in a WARN notice

Koppers Carbon Materials told Illinois officials it will close a location in Stickney, Illinois, cutting 60 jobs. (Illinois Department of Commerce and Economic Opportunity)

The company filed with the state on October 30, 2026, and the closure takes effect December 31, 2026. The affected site is at 3900 S. Laramie Ave., Stickney, IL 60650.

The Illinois listing gives the reason as “Relocation.”

Sources

  1. WARN notice · primary source Illinois WARN report Illinois Department of Commerce and Economic Opportunity · October 30, 2026 · accessed November 6, 2026

How we verified this

Checked against the Illinois Department of Commerce and Economic Opportunity WARN notice on November 6, 2026: it names Koppers Carbon Materials and gives the figure we report (“60”). How we work.

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