Koppers Inc.

Florence, South Carolina

66 workers ยท filed Apr 21, 2026

A WARN notice is filed with the state before a plant closing or a mass layoff, under the federal WARN Act or a state law like it. Workers is the number the employer said would be affected; plans can change after filing. Data sources

Company
Koppers Inc.
Workers
66 workers
Notice date
Apr 21, 2026
Location
Florence
State
South Carolina
Notice
sc-9aac54501a669a0c

As published

company
Koppers Inc.
location
Florence
date
4/21/2026
jobs
66
source
sc/2026.pdf

From the South Carolina Department of Employment and Workforce's WARN list, row 8, read Oct 3, 2026; first seen here Oct 3, 2026. Read with Big Local News's warn-scraper and warn-transformer.