Office security monitoring using security hardware, e.g., sensors, cameras, motion detectors, etc.; Providing security surveillance of premises of others; Rental of video surveillance cameras; Rental of security camera surveillance equipment; Consultancy services in the field of office security; Central station electric protection services, namely, intruder and burglar alarm monitoring service, fire detecting and alarm monitoring service, and water flow monitoring service for protection of persons and personal property; Trouble call services, namely, monitoring telephone calls from subscribers and notifying emergency facilities; Security system monitoring services, namely, monitoring of intruder, hold-up, and burglar alarm systems and fire detecting and alarm systems for protection of persons and personal property; Alarm response and verification services; Security monitoring services, namely, monitoring of alarms, and business security systems, and automation systems for protection of persons and personal property; Security services for buildings, namely, controlling physical access to properties and monitoring of home and business surveillance and security alarm systems for protection of persons and personal property; Security monitoring services, namely, remote monitoring of alarms, business security systems, and automation systems for protection of persons and personal property; Monitoring of computer systems for security purposes, namely, remote monitoring of computer systems for personal security systems, fire alarms, alarm central units, anti-intrusion alarms, burglar alarms, personal health and security alarms, smoke and gas alarms, surveillance systems, lighting controls, home automation devices, traffic and road navigation, all of the foregoing for protection of persons and personal property; Monitoring telephone calls and messages from subscribers and notifying emergency facilities from call centers in the fields of security systems, fire alarms, alarm central units, anti-intrusion alarms, burglar alarms, personal health and security alarms, smoke and gas alarms, surveillance systems, lighting controls, automation devices for fire protection