CALABASAS, Calif. – Digital Insight Corp. said it has extended and expanded its business with three well-known names in credit union land – $1.1 billion Allegacy FCU of Winston-Salem, N.C., $973 million Nassau Educators FCU of Westbury, N.Y., and $530 million Marine FCU of Jacksonville, N.C. Allegacy FCU (www.allegacyfcu.org) has more than 38,000 active end users and will add DI's Member Business Services solution, including cash management, to its offerings. That pact runs through 2010. Nassau Educators (www.nassaued.org) has more than 33,000 active end users and is adding account-to-account (A2A) and person-to-person (P2P) transfers and enhanced personal finance manager connections to its contract with DI, which runs through 2008. Marine FCU has more than 49,000 active end users and is adding bill pay, check imaging A2A and P2P transfers and the Web Center internal site management functions in its contract, which runs through 2007. Calabasas-based DI (www.digitalinsight.com) provides e-commerce services to more than 1,700 credit unions, banks and other financial services providers.