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What layoff filings show near Koppers Inc.

4
layoff notices in Allegheny County, PA

Why it is here: employers must file a notice before a large layoff, so it shows how many people nearby may be looking for work.

684
workers covered

Why it is here: the headcount employers gave in those notices, counted only where a number was filed.

4
employers filing

Why it is here: it shows whether the layoffs come from one company or many.

Source: State WARN Act layoff filings, May 1, 2026 to Oct 28, 2026 (the last six months).

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