Exhibit 21 LIST OF SUBSIDIARIES OF REPUBLIC TECHNOLOGIES INTERNATIONAL HOLDINGS, LLC Name of Company Jurisdiction of Organization - --------------- ---------------------------- 1. Republic Technologies International, LLC Delaware (owned directly by Republic Technologies International Holdings, LLC) 2. RTI Capital Corp. Delaware (owned directly by Republic Technologies International, LLC) 3. Nimishillen & Tuscarawas, LLC Delaware (owned directly by Republic Technologies International, LLC) 4. Bliss & Laughlin, LLC Delaware (owned directly by Republic Technologies International, LLC) 5. Canadian Drawn Steel Company, Inc. Canada (owned directly by Republic Technologies International, LLC) 6. Oberlin Insurance Company Vermont (owned directly by Republic Technologies International, LLC)