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                                                                      EXHIBIT 21



                           Subsidiaries of Registrant
                           --------------------------

         The Company has the following subsidiaries, all of which are wholly
owned and included in the consolidated financial statements.




                                                State or Country 
Name of Subsidiary                              of Incorporation
- ------------------                              ----------------
                                             
Brush Wellman GmbH                              Germany

Brush Wellman (Japan), Ltd.                     Japan

Brush Wellman Limited                           England

Brush Wellman (Singapore) Pte Ltd.              Singapore*

Technical Materials, Inc.                       Ohio

Williams Advanced Materials Inc.                New York

Williams Advanced Materials Pte Ltd.            Singapore



*Incorporated February 24, 1995