RSM Security, Inc. has been providing California State Licensed Professional Security products and services in Southern California for over 19 years. Our corporate headquarters is located in the City of San Dimas. We currently provide monitored security service to over 700 RSM in-house customers and have been directly involved in the installation of thousands of security systems. Our list of products and services include Alarm Systems, Security Cameras, Access Control, Commercial Fire Systems, as well as custom low voltage wire installations. We can provide all related service and maintenance pertaining to these systems.