Fiserv, Inc. NASDAQ: FISV a Fortune 500 company, provies information management systems and services to the financial and insurance industries. Leading services include transaction processing, outsourcing, business process outsourcing (BPO), software and systems solutions. The company serves more than 18,000 clients worldwide. Fiserv was ranked the second largest provider of information technology services to the financial services industry worldwide in 2007 FinTech 100 surveys, giving up the top postion it held 2004-2006 to Fidelity National Information Services.. Headquartered in Brookfield, Wisconsin, Fiserv reported more than $4.4 billion in total revenue for 2006.