EXHIBIT 21 INTELOGIC TRACE INC. AND SUBSIDIARIES INTELOGIC TRACE,INC. (NY) INTELOGIC TRACE CANADA INC. (CN) INTELOGIC TRACE SYSTEMS GROUP INC. (DE) TLA, INC. (TX) ITTG, INC. (TX) INTELOGIC TRACE MARION GROUP OF PUERTO RICO, INC. (NJ)