BROOKFIELD, Wis.--( BUSINESS WIRE )-- Fiserv, Inc. (NASDAQ: FISV), a leading global provider of payments and financial services technology solutions, today announced that Minnesota-based Hiway Federal Credit Union and Oregon-based Rogue Credit Union will continue their Fiserv core processing relationships to support ongoing growth. Each credit union decided to extend and expand their multi-decade relationship with Fiserv following competitive evaluation processes in which they sought capabilities to create operational efficiencies, deepen member relationships and expand commercial services.