Exhibit 21.1

List of Subsidiaries

The following companies are subsidiaries of the Company and are included in the consolidated financial statements of the Company:

NAME	Jurisdiction of Organization	Percentage of Voting Securities Owned
American Locker Security Systems, Inc.	Delaware		100	%
Canadian Locker Company, Ltd.	Dominion of Canada		100	%	(1)
Security Manufacturing Corporation	Delaware		100	%
Prosper Ally Limited	Hong Kong Special Administrative Region of the People’s Republic of China		100	%

(1) Owned by American Locker Security Systems, Inc.