EX-21 2 c21989exv21.htm SUBSIDIARIES OF THE REGISTRANT exv21
 

Exhibit 21
 
Subsidiaries of the Registrant
 
             
        Percentage of
 		  State of Incorporation
Parent
 
Subsidiary
  Ownership   or Organization
 
HEI, Inc. 
  Cross Technology, Inc.   100%   Minnesota
 
Cross Technology, Inc. was merged into HEI, Inc. effective October 25, 2007.