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Koppers Inc

Florence, SC

Permanent Layoff

66

Affected Employees

April 21, 2026

Layoff Date

February 20, 2026

Notice Date

Location

Company

Koppers Inc

City

Florence

State

SC

Address

280 N. Koppers Rd.

ZIP

29506

Event Details

Affected Employees

66

Layoff Date

April 21, 2026

Notice Date

February 20, 2026

Event Type

Permanent Layoff

Documents & Sources

WARN Notice Document Source