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                                                                    EXHIBIT 21

                          SUBSIDIARIES OF THE COMPANY


     The following are the Company's subsidiaries as of the close of the fiscal
year ended June 30, 1995.  All beneficial interests are wholly-owned, directly
or indirectly, by the Company and are included in the Company's consolidated
financial statements.




                                                              State or
                                                          Jurisdiction of
               Name                                        Organization
               ----                                       ---------------
                                                          
Alarm Lock Systems, Inc.                                     Delaware

Derringer Security Systems, Inc.                             New York

E.E. Electronic Components Inc.                              New York

Napco Security Systems International, Inc.                   New York

NSS Caribe, S.A.                                             Dominican
                                                             Republic

Raltech Logic, Inc.                                          New York

UMI Manufacturing Corp.                                      New York




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