SMG Security Holdings, LLC is a professional, full service alarm company. We design, provide, and install: * Fire Alarm Systems * Intrusion Alarm Systems * Card Access Systems * Municipal Radio Monitoring Systems * GPS Systems * Closed Circuit TV * U.L. Listed Central Station Monitoring * U.L. System Certification Service * Maintenance and Service of the highest quality In business for over 25 years, SMG Security Systems, Inc. services thousands of customers in the Chicagoland area. We are licensed by the state of Illinois and in the city of Chicago. In addition, we are a U.L. listed contractor. SMG understands all that goes into growing your business. Count on us to protect everything you’ve worked so hard to build.