Alderman Cullerton is an active, 40-year card-carrying member of the Local #134, IBEW.

Alderman Cullerton has been an IBEW Class "A" Journeyman Wireman Electrician for the past 40 years. For more than 30 years, Alderman Cullerton served as Chicago's Chief Electrical Inspector and First Deputy Building Commissioner, working under 6 mayors in neighborhoods all across Chicago. He has served as Chairman of the Chicago Electrical Commission, as Past President of the Illinois Chapter of the International Association of Electrical Inspectors and as a Member of the Chicago Building Board of Appeals.