EXHIBIT 21.0

SUBSIDIARIES OF THE COMPANY

The following are the Company's subsidiaries as of the close of the fiscal year
ended June 30, 2007. All beneficial interests are wholly-owned, directly or
indirectly, by the Company, except for Napco Gulf security Group of which the
Company owns 51%,and are included in the Company's consolidated financial
statements.


                                               
Name                                              State or Jurisdiction of Organization
- ----                                              -------------------------------------

Alarm Lock Systems, Inc.                          Delaware

Continental Instruments, LLC                      New York

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

Napco Gulf Security Group, LLC                    New York

Napco Americas                                    Cayman Islands