EX-21.1 10 g88120exv21w1.txt EX-21.1 LIST OF SUBSIDIARIES OF REGISTRANT EXHIBIT 21.1 INTELLIGENT SYSTEMS CORPORATION LIST OF PRINCIPAL SUBSIDIARY COMPANIES AS OF MARCH 1, 2004 SUBSIDIARY NAME STATE OF ORGANIZATION ChemFree Corporation Georgia CoreCard Software, Inc. Delaware QS Technologies, Inc. Georgia VISaer, Inc. Delaware