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Exhibit 21

 

The following is a list of U. S. Steel’s subsidiaries at December 31, 2002, other than certain subsidiaries that did not in the aggregate constitute a significant subsidiary.

 

Subsidiary

 

State or Country of Incorporation

 

 

 

 

 

Birmingham Southern Railroad Company

 

Alabama

 

Elgin, Joliet and Eastern Railway Company

 

Delaware

 

Fairfield Southern Company, Inc.

 

Delaware

 

McKeesport Connecting Railroad Company

 

Delaware

 

Mobile River Terminal Company

 

Alabama

 

Pitcal, Inc.

 

Delaware

 

The Lake Terminal Railroad Company

 

Delaware

 

Tracks Traffic and Management Services, Inc.

 

Delaware

 

Transtar Logistics, LLC

 

Delaware

 

Transtar, Inc.

 

Delaware

 

UEC Technologies, LLC

 

Delaware

 

Union Railroad Company

 

Delaware

 

U. S. Steel Kosice, s.r.o.

 

Slovak Republic

 

U. S. Steel Mining Company, LLC

 

Delaware

 

U. S. Steel Receivables LLC

 

Delaware

 

USS Coal Sales, LLC

 

Delaware

 

USS Galvanizing, Inc.

 

Delaware

 

USS Portfolio Delaware, Inc.

 

Delaware

 

USX Global Holdings I B. V.

 

The Netherlands

 

Warrior and Gulf Navigation Company

 

Delaware

 

Walzwerke Finow Gmbh

 

Germany

 

 

 

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