General Monitoring Services is a full-service central station serving the US. GMS owns its own UL Listed Central Monitoring facility, boasting a highly secure internal data center, the most advanced technologies, and a full staff of superiorly trained licensed operators on the job 24/7, every single day. We specialize in providing a comprehensive list of customizable monitoring solutions to meet today’s modern needs. GMS upholds the highest levels of professionalism and proudly serves our customers with honesty, integrity, and quality.