On the Record · United States Steel
United States Steel subsidiaries, as it lists them
The subsidiaries United States Steel lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| Big River Steel International, Inc. | Delaware |
| Chisholm Coal LLC | Kentucky |
| Chrome Deposit Corporation | Indiana |
| Compagnie de Gestion de Mifergui- Nimba, LTEE | Delaware |
| Cygnus Mines Limited | Canada |
| Double G Coatings, Inc. | Delaware |
| Double G Coatings Company, L.P. | Delaware |
| Essex Minerals Company | New Jersey |
| Fairfield Primary Operations, LLC | Texas |
| GCW/USS Energy, LLC | Illinois |
| Grant Assurance Corporation | Vermont |
| Kanawha Coal LLC | West Virginia |
| Orinoco Mining Company | Delaware |
| Perdido Land Development Co., Inc. | Delaware |
| Pitcal Pipe, LLC | Delaware |
| Preserve Village Developers, LLC | Delaware |
| Stelco Holding Company | Delaware |
| Ontario Coal Company | Delaware |
| Ontario Eveleth Company | Minnesota |
| Ontario Hibbing Company | Minnesota |
| Hibbing Development Company | Minnesota |
| Hibbing Taconite Company | Minnesota |
| Stelco Coal Company | Pennsylvania |
| Stelco Erie Corporation | Delaware |
| Ontario Tilden Company | Michigan |
| Swan Point Yacht & Country Club, Inc. | Delaware |
| Timber Wolf Land, LLC | Delaware |
| U. S. Steel China, LLC | Delaware |
| U. S. Steel Holdco LLC | Delaware |
| Big River Steel Holdings LLC | Delaware |
| BRS Intermediate Holdings LLC | Delaware |
| Big River Steel LLC | Delaware |
| BRS Finance Corp | Delaware |
| Exploratory Ventures, LLC | Delaware |
| BRS Stock Holdco LLC | Delaware |
| Big River Steel Corp | Delaware |
| U. S. Steel Blocker LLC | Delaware |
| U. S. Steel Holdings, Inc. | Delaware |
| U. S. Steel Global Holdings I B.V. | Netherlands |
| U. S. Steel Global Holdings VI B.V. | Netherlands |
| U. S. Steel Košice, s.r.o. (USSK) | Slovakia |
| Tubular s.r.o | Slovakia |
| U. S. Steel Europe - France S.A. | France |
| U.S. Steel Košice - SBS, s.r.o. | Slovakia |
| U. S. Steel Europe - Germany GmbH | Germany |
| U. S. Steel Global Holdings II, B.V. | Netherlands |
| U. S. Steel Canada Limited Partnership | Canada |
| U. S. Steel LRD Canada North Inc. | Canada |
| U. S. Steel Mining Company, LLC | Alabama |
| U. S. Steel Timber Company, LLC | Alabama |
| U. S. Steel Tubular Products, LLC | Delaware |
| Lone Star Steel Holdings, Inc. | Delaware |
| Lone Star Steel Holdings II, Inc. | Oklahoma |
| U. S. Steel Tubular Products Middle East DMCC | Dubai, UAE |
| U. S. Steel Oilwell Services, LLC | Delaware |
| Patriot Premium Threading Services, LLC | Delaware |
| USS Construction Products, LLC | Delaware |
| U. S. Steel Tubular Products Canada ULC | Canada |
| Zinklahoma, Inc. | Delaware |
| U. S. Steel Tubular Products Holdings, LLC | Texas |
| U. S. Steel Seamless Tubular Operations, LLC | Texas |
| Star Brazil US, LLC 2 | Texas |
| Star Brazil US, LLC 1 | Texas |
| Lone Star Brazil Holdings 1 Ltda. | Brazil |
| UEC Technologies, LLC | Pennsylvania |
| USX Engineers and Consultants | Delaware |
| UEC Sail Information Technology, LTD. | India |
| United States Steel International, Inc. | New Jersey |
| United States Steel Export Company de Mexico, S.R.L. de C.V. | Mexico |
| United States Steel International de Mexico, S.R.L. de C. V. | Mexico |
| USS Galvanizing, Inc. | Delaware |
| PRO-TEC Coating Company, LLC | Delaware |
| PRO-TEC Coating Company, Inc. | Ohio |
| USS International Services, LLC | Delaware |
| USS Lakeside, LLC | Delaware |
| Chicago Lakeside Development, LLC | Delaware |
| CLD Parcel 14 LLC | Delaware |
| CLD Adjoining Residential Parcels LLC | Delaware |
| USS Oilwell Supply Co., LTD. | Delaware |
| USS Oilwell Tubular, Inc. | Delaware |
| USS Portfolio Delaware, Inc. | Delaware |
| USS Product Innovation Holdings, LLC | Delaware |
| Advanced Commercial Building Technologies, LLC | Delaware |
| Integrated Solar Roof, LLC | Delaware |
| Steel X Manufacturing, LLC | Delaware |
| Tech Home, LLC | Delaware |
| Tech Home Alabama, LLC | Delaware |
| USS Ventures, LLC | Delaware |
| USS Ventures II, LLC | Delaware |
| USS WSP, LLC | Delaware |
| Worthington Specialty Processing | Michigan |
| ProCoil Company, LLC | Delaware |
| USS-UPI, LLC | Delaware |
| USX International Sales Company, Inc. | Barbados |
| Ventures RE Company I, LLC | Delaware |
| Ventures RE Company II, LLC | Delaware |
| Warrior & Gulf Navigation LLC | Alabama |
From Exhibit 21 of the 10-K for 2024. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from United States Steel’s annual reports (10-K for 2024, 10-K for 2023, 10-K for 2022) and the financial data it files with the SEC, as of 2025-01-31. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.