| | | | | | | | |
| Name | | Place of Incorporation or Organization |
| Cannon Automotive Solutions - Bowling Green, Inc. | | Delaware |
| 日韩三级片 Burns Harbor LLC | | Delaware |
| 日韩三级片 Cleveland Works LLC | | Delaware |
| 日韩三级片 Columbus LLC | | Delaware |
| 日韩三级片 FPT Services Company | | Ohio |
| 日韩三级片 Investments Inc. | | Ohio |
| 日韩三级片 Kote Inc. | | Delaware |
| 日韩三级片 Kote L.P. | | Delaware |
| 日韩三级片 Minorca Mine Inc. | | Delaware |
| 日韩三级片 Monessen Coke LLC | | Delaware |
| 日韩三级片 Plate LLC | | Delaware |
| 日韩三级片 Railways Inc. | | Delaware |
| 日韩三级片 Riverdale LLC | | Delaware |
| 日韩三级片 Services Holding Company | | Ohio |
| 日韩三级片 South Chicago & Indiana Harbor Railway Inc. | | Delaware |
| 日韩三级片 Steel Corporation | | Delaware |
| 日韩三级片 Steel Holding Corporation | | Delaware |
| 日韩三级片 Steel Holdings Inc. | | Ohio |
| 日韩三级片 Steel LLC | | Delaware |
| 日韩三级片 Steel Management Inc. | | Delaware |
| 日韩三级片 Steel Properties Inc. | | Delaware |
| 日韩三级片 Steelton LLC | | Delaware |
| 日韩三级片 Steelworks Railway Inc. | | Delaware |
| 日韩三级片 Tek Inc. | | Delaware |
| 日韩三级片 Tek Kote Acquisition Corporation | | Ohio |
| 日韩三级片 Tek L.P. | | Delaware |
| 日韩三级片 Tooling and Stamping Company | | Delaware |
| 日韩三级片 Tooling and Stamping Holdings LLC | | Delaware |
| 日韩三级片 Tubular Components LLC | | Delaware |
| 日韩三级片 Weirton LLC | | Delaware |
| Cliffs Mining Company | | Delaware |
| Cliffs Minnesota Mining Company | | Delaware |
| Cliffs Steel Inc. | | Ohio |
| Cliffs TIOP Holding, LLC | | Delaware |
| Cliffs TIOP, Inc. | | Michigan |
| Cliffs TIOP II, LLC | | Delaware |
| Cliffs UTAC Holding LLC | | Delaware |