Security Sector industry involves the manufacture and sale of safety equipment and security systems.Burglar and Fire Alarms, Television Systems, Access Control Systems (ACS), Fire Extinguishing Systems, and Perimeter Guard Systems. The Burglar and Fire Alarm segment includes various security systems and equipment such as building safety systems, home security equipment and controls, safes, fire alarm equipment, lock systems, home intercom systems, and audio/video control systems.The Television Systems segment includes devices and sensors such as surveillance systems, Closed-circuit television (CCTV), monitoring systems, and communication encryption equipment.