WARN · Worker Adjustment and Retraining Notification
Layoff Notice
Filed
Jun 1, 2016
- Employer
- Koppers Inc.
- Location
- Clairton, Allegheny, PA
- Jobs affected
- 46
- Effective date
- Aug 5, 2016
- Notice filed
- Jun 1, 2016
- Layoff type
- Closing
Filed as “Koppers Inc.”.
Data as of Oct 2, 2026.
No verified source link for this filing.