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, 2022. All beneficial interests are wholly-owned, directly or indirectly, by the Company and are included in the Company’s consolidated financial statements.

Ayman Island
Name		State or Jurisdiction of Organization

Alarm Lock Systems, LLC		Delaware
Continental Instruments, LLC		New York
Marks USA I LLC		New York
Napco Americas		Cayman Islands
Napco DR, S.A.S.		Dominican Republic
Napco Technologies International, Inc.		Delaware
Video Alert, LLC		New York

E-18