Electricians Union in Reading, PA representing construction electricians in Berks, Schuylkill, Lancaster, Chester, and Montgomery Counties. The International Brotherhood of Electrical Workers has been in existence since November 28, 1891. IBEW Local Union 743 of Reading, Pennsylvania itself was chartered on May 7, 1918 by its fourteen original members. IBEW Local Union 743 also represents various other groups of employees in areas such as communication workers, wire manufacturers, cast electrical boxes and fittings manufacturers, sign installers, and public works employees in some of our local townships. While IBEW Local Union 743 started with only 14 members, we are now over 700 members strong and steadily growing.