Exhibit 21
The following is a list of U. S. Steels subsidiaries at December 31, 2005.
State or Country | ||
Subsidiary |
of Incorporation | |
Adela Investment Company S.A. | Luxembourg | |
Chrome Deposit Corporation | Indiana | |
Clairton 1314B Partnership, L.P. | Delaware | |
Compagnie de Gestion de Mifergui-Nimba, LTEE. | Delaware | |
Cygnus Mines Limited | Canada | |
Delaware ÁñÁ«ÊÓƵ Corporation | Delaware | |
Double Eagle Steel Coating Company | Michigan | |
Double G Coatings, Inc. | Delaware | |
Double G Coatings Company, L.P. | Delaware | |
Essex Minerals Company (Societe des Mineraux Essex) | New Jersey | |
Farms Sewer Company, Inc. | New York | |
Farms Water Company, Inc. | New York | |
Feralloy Processing Co. | Indiana | |
Grant Assurance Corporation | Vermont | |
La Pointe Iron Company | Wisconsin | |
New Deal Development, Inc. | Delaware | |
New View Technologies | Delaware | |
Oilfield Technologies, Inc. | Delaware | |
Olympic Laser Processing | Michigan | |
Orinoco Mining Company | Delaware | |
Pasadena Yacht and Country Club, Inc. | Delaware | |
Perdido Land Development Co., Inc. | Delaware | |
Phil Prop, Inc. | Delaware | |
PITCAL, Inc. | Delaware | |
ÁñÁ«ÊÓƵ-POSCO Industries | California | |
ProCoil Company, LLC | Delaware | |
Smart Screen Systems, Inc. | Minnesota | |
Societe Des mines de Fer de Guinee Pour LExploitation Des Monts Nimba (Mifergui Nimba) | Guinea | |
Steel Health Resources, LLC | Indiana | |
Straightline Source, Inc. | Delaware |
Straightline, Inc. | Delaware | |
Swan Point Yacht & Country Club, Inc. | Delaware | |
Transtar, Inc. | Delaware | |
Birmingham Southern Railroad Company | Alabama | |
Delray Connecting Railroad | Michigan | |
Elgin, Joliet and Eastern Railway Company | Delaware | |
Fairfield Southern Company, Inc. | Delaware | |
Lake Terminal Railroad Company, The | Delaware | |
McKeesport Connecting Railroad Company | Delaware | |
Tracks Traffic and Management Services, Inc. | Delaware | |
Union Railroad Company | Delaware | |
Warrior & Gulf Navigation Company | Delaware | |
Mobile River Terminal Company | Alabama | |
Sisco Stevedoring, LLC | Alabama | |
The Southern International Services Company, Inc. | Alabama | |
The Southern International Services Company II, Inc. | Alabama | |
Transtar Logistics, LLC | Delaware | |
U. S. Steel China, LLC | Delaware | |
U. S. Steel International of Canada, LTD. | Delaware | |
U. S. Steel Mining Company, LLC | Alabama | |
ÁñÁ«ÊÓƵ Mine Management, Inc. | Alabama | |
United States Steel International, Inc. | New Jersey | |
Compania de Representaciones Mercantiles, Cubacero, S.A. | Cuba | |
United States Steel Export Company de Mexico, S.R.L. de C.V. | Mexico | |
Acero Prime, S.R.L. de C.V. | Mexico | |
Acero Prime Servicios, S.R.L. de C.V. | Mexico | |
United States Steel International de Mexico, S.R.L. de C.V. | Mexico | |
U. S. Steel Receivables, LLC | Delaware | |
U. S. Steel Timber Company, LLC | Alabama | |
ÁñÁ«ÊÓƵ Coal Sales, LLC | Delaware | |
ÁñÁ«ÊÓƵ Galvanizing, Inc. | Delaware | |
PRO-TEC Coating Company | Ohio | |
PRO-TEC Coating Company, Inc. | Ohio | |
ÁñÁ«ÊÓƵ International Services, LLC | Delaware | |
ÁñÁ«ÊÓƵ Oilwell Supply Co., LTD. | Delaware | |
ÁñÁ«ÊÓƵ Oilwell Tubular, Inc. | Delaware | |
ÁñÁ«ÊÓƵ Portfolio Delaware, Inc. | Delaware | |
ÁñÁ«ÊÓƵ Tubular Processing, Inc. | Delaware | |
U. S. Steel Holdings, Inc. | Delaware |
ÁñÁ«ÊÓƵ Global Holdings I B.V. | Netherlands | |
U. S. Steel Kosice (ÁñÁ«ÊÓƵK) | Slovakia | |
OBAL SERVIS, a.s. Kosice | Slovakia | |
U. S. Steel Kosice Austria GmbH | Austria | |
Elektroservis VN a VVN a.s. Kosice | Slovakia | |
Energoservis a.s. Kosice | Slovakia | |
Hutnictvi zeleza (Czech Republic) | Czech Republic | |
U. S. Steel Kosice Belgium | Belgium | |
U. S. Steel Kosice Bohemia a.s. | Czech Republic | |
U. S. Steel Kosice France S.A. | France | |
U. S. Steel Kosice SBS, s.r.o. | Slovakia | |
U. S. Steel Kosice Germany GmbH | Germany | |
U. S. Steel Hungary Kft. | Hungary | |
U. S. Steel Kosice Labortest, S.R.O. | Slovakia | |
U. S. Steel Kosice Switzerland AG V | Switzerland | |
U. S. Steel Kosice (UK) Limited | United Kingdom | |
SZ Stahl GmbH (Germany) | Germany | |
Waltzwerke Finow GmbH | Germany | |
Betrieber Gesellschaft Norbahn GmbH | Germany | |
Stawa Stahlbau GmbH | Germany | |
Vozmult a.s. Kosice | Slovakia | |
Refrako, s.r.o. | Slovakia | |
Trgovinsko Preduzece, ÁñÁ«ÊÓƵKS d.o.o. | Serbia | |
Reliningserv, s.r.o. | Slovakia | |
Vulkmont a.s. Kosice | Slovakia | |
U. S. Steel Global Holdings II B.V. | Netherlands | |
U. S. Steel Serbia, d.o.o. | Serbia | |
ÁñÁ«ÊÓƵB Industrial Business Zone d.o.o. | Serbia | |
ÁñÁ«ÊÓƵB Kucevo d.o.o. | Serbia | |
ÁñÁ«ÊÓƵB SPIN d.o.o. | Serbia | |
ÁñÁ«ÊÓƵB Stara Zelezara d.o.o. | Serbia | |
U. S. Steel Balkan, d.o.o. | Serbia | |
U. S. Steel Europe, B.V. | Netherlands | |
U. S. Steel Holdings III, Inc. | Delaware | |
United States Steel Credit Corporation | Delaware | |
UEC Technologies, LLC | Pennsylvania | |
Met-Chem Canada Inc. | Canada | |
UEC Sail Information Technology, LTD. | India | |
USX Engineers and Consultants, Inc. | Delaware |
USX International Sales Company, Inc. | Barbados | |
USX Participacoes LTDA. | Brazil | |
Merinds Mineracao | Brazil | |
Mineracao Carajas, LTDA. | Brazil | |
Mineracao Maraba, LTDA. | Brazil | |
USX RTI Holdings, Inc. | Delaware | |
Republic Technologies International Holdings LLC | Delaware | |
Republic Technologies International LLC | Delaware | |
Worthington Specialty Processing | Missouri |