Is KOPPERS INC. still active?

Yes. KOPPERS INC. is currently Active in California as of the most recent filing data.

When was KOPPERS INC. formed?

KOPPERS INC. was formed on December 21, 1988 in California. It is registered as a Corporation under filing number 1629624.

Who are the officers of KOPPERS INC.?

Officer information for KOPPERS INC. is not available in the public registry data.

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America’s National Corporate Registry·California·Filing #1629624

KOPPERS INC.

ActiveCorporationCaliforniaFormed December 21, 1988

Source: California Department of State, Division of Corporations·Refreshed May 19, 2026

Registration

State filing number: 1629624
Jurisdiction: California
Entity type: Corporation
Status: Active
Formation date: December 21, 1988
Filing type: Foreign

Addresses

Principal address

436 7TH AVENUE · SUITE 1750 · PITTSBURGH, PA · United States

Mailing address

436 7TH AVENUE · PITTSBURGH, PA · United States

Registry Intelligence

Formation cohortFormed December 1988 · 4,347,490 Corporations registered in CA
Peer activity rate30% of CA Corporations are currently active
LongevityActive for 37 years · older than the median CA Corporation

Computed from 40,000,000+ entity records · Updated nightly

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