Exhibit 21
Subsidiaries of Cleveland-Cliffs Inc - ------------------------------------- Jurisdiction of Incorporation or Name of Subsidiary Organization - ------------------ ------------ Cleveland-Cliffs Company (1) Ohio Cleveland-Cliffs Ore Corporation (1), (2) Ohio Cliffs and Associates Limited (3) Trinidad Cliffs Australia Company (4) Delaware Cliffs Biwabik Ore Corporation (2) Minnesota Cliffs Copper Corp. Ohio Cliffs Empire, Inc. (1), (5) Michigan Cliffs Engineering, Inc. (1) Colorado Cliffs Forest Products Company (1) Michigan Cliffs Fuel Service Company (1) Michigan Cliffs IH Empire, Inc. (1) Michigan Cliffs International Inc. Delaware Cliffs Marquette, Inc. (1), (2) Michigan Cliffs MC Empire, Inc. (1), (5) Michigan Cliffs Mining Company Delaware Cliffs Mining Services Company Delaware Cliffs Minnesota Minerals Company Minnesota Cliffs Oil Shale Corp. (2) Colorado Cliffs of Canada Limited (1) Ontario, Canada Cliffs Reduced Iron Corporation Delaware Cliffs Reduced Iron Management Company (6) Delaware Cliffs Resources, Inc. Delaware Cliffs Synfuel Corp. (2) Utah Cliffs TIOP, Inc. (1), (7) Michigan Empire-Cliffs Partnership (5) Michigan Empire Iron Mining Partnership (8) Michigan Escanaba Properties Company (1), (9) Michigan Escanaba Properties Partnership (9) Michigan Hibbing Taconite Company, a joint venture (10) Minnesota Kentucky Coal Company Delaware Lake Superior & Ishpeming Railroad Company (11) Michigan Lasco Development Corporation (11) Michigan Marquette Iron Mining Partnership (2) Michigan Mattagami Mining Co. Limited (12) Ontario, Canada Mesabi Radio Corporation (12) Minnesota Minerais Midway Ltee-Midway Ore Company Ltd. (12) Quebec, Canada Mines Hilton Ltee-Hilton Mines, Ltd. (12) Quebec, Canada Northshore Mining Company (13) Delaware Northshore Sales Company (14) Ohio Peninsula Land Corporation (12) Michigan
- ----------------------------------------------------- See footnote explanation on pages 68-69. 67
Jurisdiction of Incorporation or Name of Subsidiary Organization - ------------------ -------------- Pickands Erie Corporation (12) Minnesota Pickands Hibbing Corporation (10) Minnesota Pickands Mather & Co. International Delaware Pickands Mather Services Inc. (12) Delaware Pickands Radio Co. Ltd. (12) Quebec, Canada Robert Coal Company (15) Delaware Savage River Motor Inn Pty. Ltd. (16) Tasmania Seignelay Resources, Inc. (12) Delaware Silver Bay Power Company (14) Delaware Syracuse Mining Company (12) Minnesota Tetapaga Mining Company Limited (1) Ohio The Cleveland-Cliffs Iron Company Ohio The Cleveland-Cliffs Steamship Company (1) Delaware Tilden Mining Company L.C. (7) Michigan Virginia Eastern Shore Land Co. (1) Delaware
- ------------------------------------------------------------------------------- (1) The named subsidiary is a wholly-owned subsidiary of The Cleveland-Cliffs Iron Company, which in turn is a wholly-owned subsidiary of Cleveland-Cliffs Inc. (2) Marquette Iron Mining Partnership ("Marquette Partnership") is a Michigan partnership. Cleveland-Cliffs Ore Corporation and Cliffs Marquette, Inc., wholly-owned subsidiaries of The Cleveland-Cliffs Iron Company, have a combined 100% interest in the Marquette Partnership. Cleveland-Cliffs Ore Corporation also owns 100% of Cliffs Biwabik Ore Corporation. The Marquette Partnership owns 100% of Cliffs Oil Shale Corp. and Cliffs Synfuel Corp. (3) Cliffs and Associates Limited is a Trinidad corporation. Cliffs Reduced Iron Corporation has a 46.5% interest in Cliffs and Associates Limited. (4) The named subsidiary is a wholly-owned subsidiary of Cliffs International Inc., which in turn is a wholly-owned subsidiary of Cleveland-Cliffs Inc. (5) Empire-Cliffs Partnership is a Michigan partnership. Cliffs MC Empire, Inc. and Cliffs Empire, Inc., wholly-owned subsidiaries of The Cleveland-Cliffs Iron Company, have a combined 100% interest in Empire-Cliffs Partnership. (6) The named subsidiary is a wholly-owned subsidiary of Cliffs Reduced Iron Corporation, which in turn is a wholly-owned subsidiary of Cleveland-Cliffs Inc. 68 (7) Tilden Mining Company L.C. is a Michigan limited liability company. Cliffs TIOP, Inc., a wholly-owned subsidiary of The Cleveland-Cliffs Iron Company, has a 40% interest in Tilden Mining Company L.C. (8) Empire Iron Mining Partnership is a Michigan partnership. The Cleveland-Cliffs Iron Company has a 22.56% indirect interest in the Empire Iron Mining Partnership. (9) Escanaba Properties Partnership is a Michigan partnership. Escanaba Properties Company, a wholly-owned subsidiary of The Cleveland-Cliffs Iron Company, has a 87.5% interest in the Escanaba Properties Partnership. (10) Cliffs Mining Company has a 10% and Pickands Hibbing Corporation, a wholly-owned subsidiary of Cliffs Mining Company, has a 5% interest in Hibbing Taconite Company, a joint venture. (11) Cliffs Resources, Inc. owns a 99.5% interest in Lake Superior & Ishpeming Railroad Company. Lasco Development Corporation is a wholly-owned subsidiary of Lake Superior & Ishpeming Railroad Company. (12) The named subsidiary is a wholly-owned subsidiary of Cliffs Mining Company, which in turn is a wholly-owned subsidiary of Cleveland-Cliffs Inc. (13) The named subsidiary is a wholly-owned subsidiary of Cliffs Minnesota Minerals Company, which in turn is a wholly-owned subsidiary of Cleveland-Cliffs Inc. (14) The named subsidiary is a wholly-owned subsidiary of Northshore Mining Company, which in turn is a wholly-owned subsidiary of Cliffs Minnesota Minerals Company. (15) The named subsidiary is a wholly-owned subsidiary of Kentucky Coal Company, which in turn is a wholly-owned subsidiary of Cleveland-Cliffs Inc. (16) The named subsidiary is a wholly-owned subsidiary of Pickands Mather & Co. International, which in turn is a wholly-owned subsidiary of Cleveland-Cliffs Inc. 69