EXHIBIT 21 Subsidiaries of CCC Information Services Group Inc.: CCC Information Services Inc. DriveLogic, Inc. Certified Collateral Corporation of Canada, Ltd. CCC Consumer Services Inc. CCC Consumer Services Southeast Inc. Professional Claims Services Inc. (California) Professional Claims Services Inc. (Nevada) Professional Claims Services Inc. (Washington) Professional Claims Services Inc. (Utah) Professional Claims Services Inc. of Arizona PCS Claims Administration, Inc. (Texas) CCC International Holding Ltd Rayfield Limited (dba CCC International) D W Norris Limited CCC Partsco Holdings, Inc. Asset Management Inc. Credit Card Service Corporation