High Quality Content by WIKIPEDIA articles! New England Federal Credit Union (NEFCU) is a credit union headquartered in Williston, Vermont, chartered and regulated under the authority of the National Credit Union Administration (NCUA) of the U.S. federal government. Founded in 1961, NEFCU is the largest credit union in Vermont. As of 2008, NEFCU had $679 million in assets, approximately 75,000 members, and 6 branches.