Subsidiaries of Fair, Isaac and Company, Incorporated Name of Company and Jurisdiction of Name under which it Incorporation or Does Business Organization - ----------------------- ------------------- Fair, Isaac International Corporation(1) California DynaMark, Inc.(1) Minnesota Credit & Risk Management Associates, Inc. (1) Delaware Data Research Technologies(1) Minnesota Prevision, Inc.(1) Oregon Risk Management Technologies(1) California Lindaro Office Park, Inc. (1) California Fair, Isaac International Germany Corporation(2) California Fair, Isaac International Canada Corporation(2) California Fair, Isaac International UK Corporation(2) California Fair, Isaac International Japan Corporation(2) California Fair, Isaac International Ltd(2) England Fair, Isaac International France Corporation(2) California Fair, Isaac International Mexico Corporation(2) California Fair, Isaac Brazil, LLC(2) Delaware Radar International, Inc.(3) Virgin Islands Fair, Isaac Do Brasil Ltda.(4) Brazil (1) 100% owned by Fair, Isaac and Company, Incorporated. 1 Exhibit 21.1 (2) 100% owned by Fair, Isaac International Corporation. (3) 100% owned by Risk Management Technologies (4) 99% owned by Fair, Isaac International Corporation and 1% owned by Fair, Isaac Brazil, LLC 2