ADT Commercial announced its expansion into the electronic article surveillance (EAS) market through a strategic alliance with WG Security Products, Inc. ADT Commercial will install and service WG Security Products? comprehensive EAS portfolio in the U.S., including a full range of detection systems, hard tags, specialty tags, disposable labels, deactivation devices and detachers. ADT Commercial will help customers build and maintain their current EAS solutions that utilize 58 kHz AM frequency technologies.