BROOKFIELD, Wis. — Five new credit union clients have signed with Fiserv Inc. for core processing and other services that include Internet banking, accounting tools, bill pay and audio response.

The new clients and their current core processor, according to the credit unions' 5300 Call Reports, are $47 million POLAM FCU of Los Angeles (Open Solutions Inc.); $32 million Southern Chautauqua Federal Credit Union of Lakewood, N.Y. (CompuSource Systems Inc.); $8 million Synergy Eastex FCU of Longview, Texas (Computer Marketing Corp.); $5 million ACE CU of Mason City, Iowa (Harland Financial Solutions) and Cooperativa de Ahorro Credito de Santa Isabel (CACSI) of Santa Isabel, Puerto Rico.

POLAM FCU and Southern Chautauqua will convert to the Fiserv Premier system, Synergy Eastex to the OnCU platform, ACE CU to CubicsPlus and CACSI to the Reliance system, Fiserv said.