<DOCUMENT>
<TYPE>EX-21
<SEQUENCE>8
<FILENAME>y53568ex21.txt
<DESCRIPTION>SUBSIDIARIES
<TEXT>
<PAGE>   1

                                                                      EXHIBIT 21


                          SUBSIDIARIES OF THE COMPANY


        The following are the Company's subsidiaries as of the close of the
fiscal year ended June 30, 2001. All beneficial interests are wholly-owned,
directly or indirectly, by the Company and are included in the Company's
consolidated financial statements.


<TABLE>
<CAPTION>
                                                    State or Jurisdiction
             Name                                     of Organization
             ----                                   ---------------------
<S>                                                 <C>
  Alarm Lock Systems, Inc.                          Delaware

  Napco Security Systems International, Inc.        New York

  Napco/Alarm Lock Exportadora, S.A.                Dominican Republic

  Napco/Alarm Lock Grupo Internacional, S.A.        Dominican Republic
  (formerly known as NSS Caribe, S.A.)

  Napco Group Europe, Limited                       England
</TABLE>

                                      E-22

</TEXT>
</DOCUMENT>