Eglin Federal Credit Union, also referred to as EFCU, was chartered in 1954 and is a not-for-profit, member-owned financial institution. Membership includes military and civilian personnel on Eglin Air Force Base, Hurlburt Field, and Duke Field as well as affiliates of Select Employee Groups in Okaloosa, Santa Rosa and Walton counties. In addition to military and SEG affiliations, our membership also includes anyone living or working within our Geographic Field of Membership .