Access Control, Telecom Parts, Switches, Corporate Secuity Systems, High Quality Communications and Control Systems, Systems for Process and Environmental Control, Voice and Data Transmission, Building Security and Access Control, Onsite and Remote Surveillance, Electronic Monitoring, Replacing Older Legacy Control Systems with High Speed Network Based Equipment; Controls and Controllers; Electric Wire, Cable and Cable Assemblies; Electronics; Installation Services; Integration Services; Surveillance Equipment; Design, build and installation