License holder summary

KOPPERS COMPANY INC. is a Architectural Or Engineering Corporation Certificate Of Authorization licensed to practice in Wisconsin. This licensed professional license is not current. The license was granted 05/18/1967 and expired on 01/31/1986.

Wisconsin

Department of Safety and Professional Services

KOPPERS COMPANY INC.
Architectural Or Engineering Corporation Certificate Of Authorization
License number
305-11
Date granted
05/18/1967
Date expires
01/31/1986
Class
Architectural Or Engineering Corporation Certificate Of Authorization
Status
Expired
wisconsinlicensing.org
ID 35564978
LAST UPDATED 2026-06-18 14:55:42 UTC

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