Exhibit 21
UNITED STATES STEEL CORPORATION
Subsidiary and Joint Ventures
2012 Form 10-K
Company Name | ||
Chisholm Coal LLC | ||
Chrome Deposit Corporation | ||
Compagnie de Gestion de Mifergui- Nimba, LTEE | ||
Cygnus Mines Limited | ||
Delaware USS Corporation | ||
Double Eagle Steel Coating Company | ||
Double G Coatings, Inc. | ||
Double G Coatings Company, L.P. | ||
Essex Minerals Company | ||
Feralloy Processing Company | ||
GCW/USS Energy, LLC | ||
Grant Assurance Corporation | ||
Kanawha Coal LLC | ||
Oilfield Technologies, Inc. | ||
Orinoco Mining Company | ||
PITCAL, Inc. | ||
USS-POSCO Industries | ||
Perdido Land Development, Inc. | ||
Pitcal Pipe, LLC | ||
Preserve Village Developers, LLC | ||
Steel Health Resources, LLC | ||
Stelco Holding Company | ||
Ontario Coal Company | ||
Ontario Eveleth Company | ||
Ontario Hibbing Company | ||
Stelco Coal Company | ||
Stelco Erie Corporation | ||
Ontario Tilden Company | ||
Straightline, Inc. | ||
Straightline Source, Inc. |
UNITED STATES STEEL CORPORATION
Subsidiary and Joint Ventures
2012 Form 10-K
Swan Point Yacht & Country Club, Inc. | ||
SPDC Hotel, LLC | ||
Swan Point Development Company, Inc. | ||
Brookfield Swan Point, LLC | ||
Timber Wolf Land, LLC | ||
Transtar, Inc. | ||
Delray Connecting Railroad Company | ||
Gary Railway Company | ||
Tracks Traffic and Management Services, Inc. | ||
Texas & Northern Railway Company | ||
Lake Terminal Railroad Company, The | ||
Lorain Northern Company f/k/a/ Ohio Northern Company | ||
McKeesport Connecting Railroad Company | ||
Union Railroad Company | ||
Birmingham Southern Railroad Company | ||
Fairfield Southern Company, Inc. | ||
Warrior & Gulf Navigation LLC | ||
Sisco Stevedoring, LLC | ||
U. S. Steel China, LLC | ||
U. S. Steel Holdings, Inc. | ||
U. S. Steel Holdings II, LLC | ||
Worldwide Steel C.V. | ||
U. S. Steel Global Holdings I B.V. | ||
U. S. Steel Košice, s.r.o. (USSK) | ||
OBAL-SERVIS, a.s. Košice | ||
U. S. Steel Europe (UK) Limited | ||
U. S. Steel Košice – Labortest, s.r.o. | ||
U. S. Steel Services s.r.o. | ||
U. S. Steel Europe - Bohemia a.s. | ||
U. S. Steel Europe - France S.A. | ||
U. S. Steel Košice - SBS, s.r.o. |
UNITED STATES STEEL CORPORATION
Subsidiary and Joint Ventures
2012 Form 10-K
U. S. Steel Europe - Germany GmbH | ||
U. S. Steel Europe - Italy S.r.l. | ||
RMS, a.s. Košice | ||
U. S. Steel Enterprises BV | ||
U. S. Steel Global Holdings II, B.V. | ||
U. S. Steel Canada Limited Partnership | ||
U. S. Steel Canada Inc. | ||
The Steel Company of Canada, Limited | ||
4347226 Canada Inc. | ||
The Stelco Plate Company Ltd. | ||
U. S. Steel Tubular Products Canada GP Inc. | ||
U. S. Steel Tubular Products Canada Limited Partnership | ||
742784 Ontario Inc. | ||
Baycoat Limited | ||
Baycoat Limited Partnership (Baycoat L.P.) | ||
D.C. Chrome Limited | ||
U. S. Steel Serbia, BV | ||
U. S. Steel Holdings IV, Inc. | ||
U. S. Steel International of Canada, LTD. | ||
U. S. Steel Mining Company, LLC | ||
U. S. Steel Receivables LLC | ||
U. S. Steel Timber Company, LLC | ||
U. S. Steel Tubular Products, Inc. | ||
Patriot Premium Threading Services, LLC | ||
U. S. Steel Produtos Tubulares do Brasil Ldta. | ||
Zinklahoma, Inc. | ||
Star Brazil US, LLC 2 | ||
Star Brazil US, LLC1 | ||
Lone Star Brazil Holdings 1 Ltda. | ||
Lone Star Brazil Holdings 2 Ltda. | ||
Apolo Tubulars S.A. |
UNITED STATES STEEL CORPORATION
Subsidiary and Joint Ventures
2012 Form 10-K
Lone Star Steel Holdings, Inc. | ||
Lone Star Steel Holdings II, Inc. | ||
Fintube (Thailand) Limited | ||
UEC Technologies, LLC | ||
Met-Chem Canada, Inc. | ||
Met-Chem, Inc. | ||
USX Engineers and Consultants | ||
UEC Sail Information Technology, LTD. | ||
United States Steel Credit Corporation | ||
United States Steel International, Inc. | ||
United States Steel Export Company de Mexico, S.R.L. de C.V. | ||
Acero Prime Servicios, S.R.L. de CV | ||
United States Steel International de Mexico, S.R.L. de C.V. | ||
USS Galvanizing, Inc. | ||
PRO-TEC Coating Company | ||
PRO-TEC Coating Company, Inc. | ||
USS International Services, LLC | ||
USS Lakeside, LLC | ||
Chicago Lakeside Development, LLC | ||
USS Mine Management, Inc. | ||
USS Oilwell Supply Co., LTD. | ||
USS Oilwell Tubular, Inc. | ||
USS Portfolio Delaware, Inc. | ||
USS Tubular Processing, Inc. | ||
USS WSP, LLC | ||
Worthington Specialty Processing | ||
ProCoil Company, LLC | ||
Worthington Taylor, LLC | ||
USX International Sales Company, Inc. |