Koppers Inc
Permanent LayoffFlorence, South Carolina · effective Apr 21, 2026
Koppers Inc filed a WARN notice reporting 66 affected employees at its Florence, South Carolina location in April 2026. The layoffs take effect on April 21, 2026, following a notice filed on February 20, 2026.
Filing details
- Affected employees
- 66
- Effective date
- Apr 21, 2026
- Notice date
- Feb 20, 2026
- Location
- 280 N. Koppers Rd., Florence, SC, 29506
- Action
- Permanent Layoff
Filing documents
The official WARN notice filed for Koppers Inc, shown page by page.