Fiserv, Inc. (NASDAQ: FISV) provides 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 16,000 clients worldwide. Fiserv has been ranked the largest provider of information technology services to the financial services industry worldwide from 2005-2010 except in 2007 when it gave up the position to Fidelity National Information Services. Fiserv reported more than $4.7 billion in total revenue for 2008.

Fiserv began as a provider of financial service data processing for small banks and thrifts. In 1986, Fiserv went public as a $70 million regional processor, adding credit union services with the 1988 acquisition of Minnesota On-Line, Inc. Within four years, Fiserv was serving some of the largest financial institutions in United States of America.

In 1990, Fiserv expanded its electronic funds capabilities through the acquisition of California-based GTE EFT Services Money Network and GTE ATM Networks. Fiserv entered the card fulfillment market in 1992 through Indianapolis-based Data Holdings, Inc. In 2007, Fiserv acquired CheckFree Corporation, their largest acquisition to date.