1 Exhibit 22: SUBSIDIARIES OF THE REGISTRANT All subsidiaries of the Company are listed below: PERCENTAGE OF VOTING SECURITIES JURISDICTION OF OWNED BY THE SUBSIDIARY COMPANY INCORPORATION COMPANY - -------------------------------------- ----------------- ----------------- Air Engineering Company, Inc. Hawaii 100% Amelco, Inc. Nevada 100 Amelco Industries California 100 American Electric Company, Limited Hawaii 100 Plateau Electrical Constructors, Inc. Utah 100 Weststar Engineering, Inc. California 89 35