WARN · Worker Adjustment and Retraining Notification
Layoff Notice
Filed
Apr 21, 2026
- Employer
- Koppers Inc.
- Location
- Florence, SC
- Jobs affected
- 66
- Effective date
- Apr 21, 2026
- Notice filed
- Apr 21, 2026
Filed as “Koppers Inc.”.
Data as of Oct 2, 2026.
No verified source link for this filing.