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                                  EXHIBIT 21

                     SUBSIDIARIES OF MILLIPORE CORPORATION

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                                  Exhibit 21

                     SUBSIDIARIES OF MILLIPORE CORPORATION

Pursuant to Item 601, Paragraph 21, clause (ii) of Regulation S-K, the following
list excludes subsidiaries who conduct no business operations or which have no
significant assets.

COMPANY NAME                                JURISDICTION OF ORGANIZATION
------------                                ----------------------------

Millipore Asia Ltd.                                 Delaware                    
Millipore Korea Ltd.                                Korea                       
Millipore Singapore, Pte. Ltd.                      Singapore                   
Millipore Cidra, Inc.                               Delaware                    
Millipore Intertech, (V.I.), Inc.                   U.S. Virgin Is.             
Millipore (Canada) Ltd.                             Canada                      
Millipore S.A. de C.V.                              Mexico                      
Millipore GesmbH                                    Austria                     
Millipore Kft                                       Hungary                     
Millipore S.R.O.                                    Czech Republic              
Millipore Investment Holdings Ltd.                  Delaware                    
Millipore International Holding Company B.V.        Netherlands                 
Millipore Japan Company L.L.C.                      Delaware                    
Nihon Millipore Limited                             Japan                       
Millipore S.A./N.V.                                 Belgium                     
Millipore (U.K.) Ltd.                               United Kingdom              
Millipore S.A.                                      France                      
Millipore Ireland B.V.                              Netherlands                 
Millipore Dublin International Finance Company      Ireland                   
Millipore GmbH                                      West Germany                
Millipore S.p.A.                                    Italy                       
Millipore A.B.                                      Sweden                      
Millipore AS                                        Norway                      
Millipore A.G.                                      Switzerland                 
Millipore A/S                                       Denmark                     
Millipore Australia Pty. Ltd.                       Australia                   
Millipore Iberica S.A.                              Spain                       
Millipore I.E.C., Ltda.                             Brazil                      
Millipore OY                                        Finland                     
Millipore B.V.                                      The Netherlands             
Millipore China Ltd.                                Hong Kong                   
Millipore Pacific Limited                           Delaware                    
Millipore (Suzhou) Filter Company Limited           Peoples Republic of China   
Millicorp, Inc.                                     Delaware                    
Minerva Insurance Co. Ltd.                          Bermuda                     
Vermeer                                             Ireland