Simple and friendly. At SEI Credit Union, we pride ourselves on knowing your name when you walk through our door. We are a professional credit union with the convenience afforded by hometown values. Our personable services are not the only perk to being a member: our non-for-profit status ensures that any revenue overages generated are returned back to you in the form of reduced fees, better investment yields, lower loan rates and many other premium services available to you at no cost.