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10-K primary document
PKG · Annual Report (Form 10-K) · Filed February 26, 2026

Packaging Corp Of America — 10-K exhibit

pkg-ex21_1.htm
Packaging Corp Of America on Boardroom Alpha
EX-21.1

 

Exhibit 21.1

Subsidiaries of the Registrant *

 

 

State or Other Jurisdiction of Incorporation or Organization

Packaging Corporation of America (100%)

Delaware

PCA International Inc. (100%)

Delaware

PCA International Services, LLC (100%)

Delaware

PCA Hydro Inc. (100%)

Delaware

Packaging Corporation of Asia, Limited (100%)

Hong Kong

PCA Central California Corrugated, LLC (100%)

Delaware

PCA Wisconsin Acquisition LLC (100%)

Delaware

Packaging Asset Holdings, LLC (100%)

Delaware

CorrChoice LLC (100%)

Delaware

PCA Box-Board Products, LLC (100%)

Delaware

Hexacomb Corporation (100%)

Illinois

Louisiana Timber Procurement Company, LLC (50%)

Delaware

Boise White Paper, LLC (100%)

Delaware

International Falls Power Company (100%)

Delaware

Minnesota, Dakota & Western Railway Company (100%)

Minnesota

B C T, Incorporated (100%)

Delaware

 

* The names of some of our foreign subsidiaries have been omitted. These unnamed subsidiaries, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary, as defined in Regulation S-X, Rule 1-02 (w).

 

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