1 EXHIBIT 21 Subsidiaries of ChoicePoint Inc. State or Country Name of Incorporation ---- ---------------- 1. ChoicePoint Services Inc. Georgia 2. PRC Corporation Georgia 3. Professional Test Administrators, Inc. Illinois 4. CDB Infotek California 5. Charles E. Simon & Company Delaware 6. Innovative Data Services, Inc. Delaware 7. ChoicePoint Business and Government Services Inc. Georgia 8. Osborn Laboratories, Inc. Delaware 9. Mid-American Technologies, Inc. Kansas 10. The Kit Factory, Inc. Kansas 11. Osborn Laboratories (Canada) Inc. Canada 12. ChoicePoint Limited United Kingdom