Exhibit 21



Subsidiaries of the Registrant (as of 02/28/2005)



|                                                                                                                             |  |                                       
|---------------------------------------------------------------------------------------------------------------------------- |  | --------------------------------------
|Name of Subsidiary                                                                                                           |  | State or Jurisdiction of Incorporation
|Material Sciences Corporation, Engineered Materials and Solutions Group, Inc. (formerly known as MSC Pre Finish Metals Inc.) |  | Illinois                              
|                                                                                                                             | 
|Material Sciences Corporation, Electronic Materials andDevices Group, Inc.                                                   |  | Delaware                              
|                                                                                                                             | 
|MSC Pre Finish Metals (EGV) Inc.                                                                                             |  | Delaware                              
|                                                                                                                             | 
|MSC Pre Finish Metals (MV) Inc.                                                                                              |  | Delaware                              
|                                                                                                                             | 
|MSC Pre Finish Metals (MT) Inc.                                                                                              |  | Delaware                              
|                                                                                                                             | 
|MSC Walbridge Coatings Inc.                                                                                                  |  | Delaware                              
|                                                                                                                             | 
|MSC San Diego Holding Company Inc. (formerly known asMSC Specialty Films, Inc.)                                              |  | California                            
|                                                                                                                             | 
|MSC Laminates and Composites Inc.                                                                                            |  | Delaware                              
|                                                                                                                             | 
|MSC Laminates and Composites (EGV) Inc.                                                                                      |  | Delaware                              
|                                                                                                                             | 
|Material Sciences Foreign Sales Corporation                                                                                  |  | U.S. Virgin Islands                   
|                                                                                                                             | 
|MSC Richmond Holding Company (formerly known asMSC Pinole Point Steel Inc.)                                                  |  | Delaware                              
|                                                                                                                             | 
|MSC Pre Finish Metals (PP) Inc.                                                                                              |  | Delaware                              
|                                                                                                                             | 
|MSC/GAC Laminates and Composites Holding GmbH                                                                                |  | Germany                               
|                                                                                                                             | 
|MSC/GAC Laminates and Composites GmbH & Co.                                                                                  |  | Germany                               
|                                                                                                                             | 
|MSC/GAC Beteiligungs GmbH                                                                                                    |  | Germany                               
|                                                                                                                             | 
|MSC/TEKNO Laminates and Composites LTDA                                                                                      |  | Brazil                                



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