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EXHIBIT 21.1

SUBSIDIARIES OF THE REGISTRANT

•  Dixie Container Corporation
	State of Incorporation:			Virginia
	Other trade names used:			Packaging Corporation of Ohio
•  PCA Hydro, Inc.
	State of Incorporation:			Delaware
	Other trade names used:			none
•  PCA International, Inc.
	State of Incorporation:			Delaware
	Other trade names used:			none
		•  PCA International Services, LLC
			State of Incorporation:	Delaware
			Other trade names used:	none
		•  PCAI de Mexico S. de R.L. de C.V.
			State of Incorporation:	Sonora, Mexico
			Other trade names used:	none
		•  PCAI Services de Mexico S. de R.L. de C.V.
			State of Incorporation:	Sonora, Mexico
			Other trade names used:	none
•  Packaging Credit Company, LLC
	State of Incorporation:			Delaware
	Other trade names used:			none
		•  Packaging Receivables Company, LLC
			State of Incorporation:	Delaware
			Other trade names used:	none
•  Tomahawk Power LLC
	State of Incorporation:			Delaware
	Other trade names used:			none

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SUBSIDIARIES OF THE REGISTRANT