A B Federal Credit Union was chartered in 1962 under the name of Altoona Butterick Federal Credit Union in Altoona, PA. Today A B Federal Credit Union has expanded its field of membership to serve the employees and family of numerous local companies. A B Federal Credit Union is here to serve its members. We are a non-profit financial organization and offer our members low loan rates, competitive saving rates and lower fees. All deposits are NCUA approved up to $250,000.