Exhibit 21

|Subsidiary                                              |  | Jurisdiction
of Organization
|------------------------------------------------------- |  | ----------------------------
|Alpine Services Corp.                                   |  | Delaware                    
|Superior TeleCom Inc.                                   |  | Delaware                    
|Superior Trust I                                        |  | Delaware                    
|DNE Systems, Inc.                                       |  | Delaware                    
|DNE Manufacturing & Service Company                     |  | Delaware                    
|DNE Technologies, Inc.                                  |  | Delaware                    
|Superior Telecommunications Inc.                        |  | Delaware                    
|Superior Cable Corporation                              |  | Ontario                     
|Texas SUT Inc.                                          |  | Texas                       
|Superior Cables Ltd (50%).                              |  | Israel                      
|Superior Cable Holdings (1997) Ltd.                     |  | Israel                      
|The United Marketing Company Cables of Zion Israel Ltd. |  | Israel                      
|Premier Cables Ltd. (80%)                               |  | U.K.                        
|Eliat Optical Cables Ltd.                               |  | Israel                      
|H.T. Cable Ltd.                                         |  | Israel                      
|Rishon Business Center (37.5%)                          |  | Israel                      
|Essex International Inc.                                |  | Delaware                    
|Essex Group, Inc.                                       |  | Delaware                    
|Essex Group, Inc.                                       |  | Michigan                    
|Essex Services, Inc.                                    |  | Delaware                    
|FEMCO Magnet Wire Corporation (50%)                     |  | Indiana                     
|Diamond Wire and Cable Company                          |  | Illinois                    
|Essex Technology Inc.                                   |  | Delaware                    
|Essex International Limited.                            |  | U.K.                        
|Temple Electrical Company Limited                       |  | U.K.                        
|Essex Pension Trustees Limited.                         |  | U.K.                        
|Essex Group Export, Inc.                                |  | Barbados                    
|Essex Canada, Inc.                                      |  | Delaware                    
|Active Industries Inc.                                  |  | Delaware                    
|Essex Funding Inc.                                      |  | Delaware                    
|Raychem-Essex Ltd. (50%)                                |  | Delaware                    
|Essex Group Mexico Inc.                                 |  | Delaware                    
|Essex Mexico Holdings, LLC.                             |  | Delaware                    
|Essex Group Mexico, S.A. de C.V.                        |  | Mexico                      
|Grupo Essex de Mexico, S. de R.L. de C.V.               |  | Mexico                      
|Superior Essex Realty Company                           |  | Delaware                    
|Superior Telecommunications Realty Company              |  | Delaware                    
|Mastin Limited                                          |  | Ireland                     

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