EXHIBIT 21

SUBSIDIARIES OF THE COMPANY

|                                                |                 
|----------------------------------------------- | ----------------
|Name                                            | Formation       
|                                                | Jurisdiction    
|                                                |                 
|GenTek
  Financial Services Ltd.                | Barbados        
|GenTek
  Holding, LLC                           | Delaware        
|Big T-2 Company LLC                             | Delaware        
|General Chemical Performance Products LLC       | Delaware        
|Fini Enterprises, Inc.                          | Texas           
|General Chemical LLC                            | Delaware        
|General Chemical West LLC                       | Delaware        
|Waterside Urban Renewal Corporation             | New Jersey      
|General Chemical Canada Holdings Inc.           | Delaware        
|General Chemical Performance Products Ltd.      | Ontario         
|Reheis, Inc.                                    | Delaware        
|Reheis Holdings Inc.                            | Delaware        
|Ilminster Company                               | Ireland         
|Reheis Ireland                                  | Ireland         
|Alembic Manufacturing Ltd.                      | United
  Kingdom
|GenTek Technologies Marketing Inc.              | Delaware        
|Balcrank Products Inc.                          | Delaware        
|GT Technologies Europe GmbH                     | Germany         
|Defiance, Inc.                                  | Delaware        
|Defiance Precision Products Inc.                | Ohio            
|Defiance Precision Products Management LLC      | Delaware        
|Defiance Precision Products Manufacturing LLC   | Delaware        
|Defiance Testing & Engineering
  Services, Inc. | Michigan        
|Binderline Draftline, Inc.                      | Michigan        
|Defiance Kinematics Inc.                        | Delaware        
|DTA Development, LLC                            | Michigan        
|Hy-Form Products, Inc.                          | Michigan        
|Toledo Technologies Inc.                        | Delaware        
|Toledo Technologies Management LLC              | Delaware        
|Toledo Technologies Manufacturing LLC           | Delaware        
|1279597 Ontario Inc.                            | Ontario         
|Sandco Automotive Ltd.                          | Ontario         
|Noma Holding Inc.                               | Delaware        
|Noma Corporation                                | Delaware        
|Noma O.P., Inc.                                 | Delaware        
|Noma Technologies Limited Partnership           | Massachusetts   
|Noma de Reynosa, S.A. de C.V.                   | Mexico          
|GenTek Technology Pvt. Ltd.                     | India           
|Noma Delaware Inc.                              | Delaware        
|Noma Company                                    | Nova Scotia     
|Sistemas y Conexiones Integradas, S.A. de
C.V.  | Mexico          
|Printing Developments, Inc.                     | Delaware        
|Vigilant Networks LLC                           | Delaware        
|Vigilant Networks Canada Inc.                   | Ontario         

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