<PAGE>   1
                                                                    EXHIBIT 21.2

                              LIST OF SUBSIDIARIES

1.   Antek Wireless, Inc., formerly NextAntennas.Com, Inc., a wholly-owned
     subsidiary of the Registrant, was incorporated in the State of Delaware on
     November 2, 1999.

2.   Emergent Technologies Corp. was incorporated in the State of West Virginia
     on September 29, 1995. The Registrant holds an 80% equity interest in
     Emergent.

3.   Integral Vision Systems Inc. was incorporated in the State of West Virginia
     on January 20, 1994. The Registrant acquired a 100% equity interest in
     Integral Vision in March 1997.



© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission