Installation, maintenance and repair of access control systems; Installation, maintenance and repair of video surveillance systems; Installation, maintenance and repair of intrusion detection systems; Installation, maintenance and repair of fire alarm, detection, and suppression systems; Installation, maintenance and repair of emergency communication systems; Installation, maintenance and repair of license plate recognition systems; Installation, maintenance and repair of gate control systems; Maintenance of computer hardware systems; Installation of computer systems

Custom design of access control systems; Custom design of video surveillance systems; Custom design of intrusion detection systems; Custom design of fire alarm systems; Custom design of emergency communication systems; Custom design of license plate recognition systems; Custom design of gate control systems; Custom design of computer software; Software installation; Computer software system programming services; Maintenance and service of software for computer systems; Computer services, namely, integration of computer software into multiple systems and networks; Software integration services, namely, integration of computer software into multiple systems and networks