37 Cable laying; Installation of communications network apparatus; Installation, maintenance and repair of computer hardware for telecommunications systems; Installation, repair and replacement of access points, routers, TVs, set top/set back boxes, and low voltage cabling; Installation, repair and replacement of computer hardware and audio-visual equipment and related peripherals; Installation, repair and replacement of computer hardware and communications equipment; Maintenance and repair of telecommunications networking hardware, apparatus, and instruments; Technical support services, namely, technical advice related to the repair of computer hardware and audio-visual equipment and related peripherals; Technical support services, namely, troubleshooting in the nature of the repair of computer hardware