Rex Electric Inc. & Technologies provides electrical, voice data, fire alarm, security, health care and infrared scanning services. The company's electrical services include main switchgear installations, bus duct, computer room installations, and power and control wiring for processing equipment. It has the capability to install new network cabling, re-cable out-of-date systems and assume control over existing connections. Rex Electric Inc. & Technologies has memberships with various organizations, such as the Chicago Lighting Institute, International Brotherhood of Electrical Workers (IBEW) and Chicago Electrical Estimators Association (CEMA).