Koppers Inc. layoffs: WARN notices and dates
Koppers Inc. has filed 1 WARN notice with the South Carolina labor department, naming 66 workers. The most recent was filed Apr 21, 2026.
Notices
| Notice date | Employer | City or county | Workers | Type | Source |
|---|---|---|---|---|---|
| Koppers Inc. | Florence | 66 | — | State record |
Local workforce boards
The public workforce boards for each location in these notices. Their American Job Centers offer free help with job search, training and filing for benefits, and some run rapid-response services for workers in a WARN layoff.
Pee Dee Workforce Development Board
For notices in Florence
What to do if you’re affected
These are the notices Koppers Inc. filed under the WARN Act, as published by each state. A notice gives the number of workers and dates the employer reported; it does not say why. See the layoff tracker for how notices are collected and what they cover.