Design, installation, maintenance and servicing of security systems for permanent or temporary buildings, structures, dwellings or containers including, without limitation, burglar alarms, fire alarms, panic alarms, low temperature alarms, tamper flow alarms, carbon monoxide alarms, gas detection alarms, photo identification badge systems, keyless door-entry systems, card access entry systems, surveillance cameras, closed circuit television systems, video monitoring systems, intercom communications systems, telephone systems, telephone entry systems, metal detectors, x-ray machines, entry and exit gates, hard-wired systems, wireless systems, radio-based systems and fiber-optic systems, and the provision of alarm monitoring services and alarm response and verification services for such security systems