EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT State (Country) of Name under which Subsidiary does Business Incorporation The Affinity Group, Inc. Colorado Agio Insurance Agency, Inc. Montana Aspen Investment Alliance, Inc. Colorado BHC Investments, Inc. Delaware BHC Trading Corporation Delaware BHCM Insurance Agency, Inc. Delaware Data-Link Systems, LLC Wisconsin F.T. Agency, Inc. Ohio FCS Funding, Inc. Colorado First Trust Corporation Colorado Fiserv (ASPAC) Pte. Ltd. Singapore Fiserv (Europe) Ltd. England Fiserv Australia Pty. Limited Australia Fiserv BP, Inc. Wisconsin Fiserv BPI, Inc. Texas FIserv CIR, Inc. Delaware Fiserv Clearing, Inc. Delaware Fiserv Correspondent Services, Inc. Colorado FIserv Federal Systems, Inc. Delaware FIserv Fresno, Inc. California Fiserv Insurance Agency of Alabama, Inc. Alabama Fiserv Investor Services, Inc. Delaware Fiserv International (Barbados) Limited Barbados Fiserv LeMans, Inc. Pennsylvania Fiserv Mercosur, Inc. Delaware Fiserv Polska Sp. z o.o Poland Fiserv Securities, Inc. Delaware Fiserv Solutions of Canada Inc. Ontario Fiserv Solutions, Inc. Wisconsin The Freedom Group, Inc. Iowa Humanic Design Corporation New Jersey Information Technology, Inc. Nebraska Investment Consulting Group, Inc. Colorado ITI of Nebraska, Inc. Nebraska Life Instructors, Inc. New Jersey Lincoln Trust Company Colorado National Flood Services, Inc. Montana Patterson Press, Inc. Tennessee Precision Direct, Inc. Washington PT Fiserv Indonesia Indonesia Specialty Insurance Software California Specialty Software Service, Inc. California State (Country) of Name under which Subsidiary does Business Incorporation Tower Agency, Inc. Ohio TradeStar Investments, Inc. Delaware Trust Industrial Bank Colorado USERS Incorporated Maryland WUB2 Management Company Colorado WUB3 Capital Management, Inc. Colorado XP Systems Corporation Minnesota