Computer support services (installation repair and maintenance of computer hardware and peripherals); Information technology (IT) services (computer and computer peripherals installation and maintenance); Installation and repair of computer hardware; Installation and repair of telecommunication apparatus; Installation of computerised information systems; Installation, maintenance and repair of computer hardware; Installation, maintenance and repair of computer peripherals; Installation, maintenance and repair of middleware (computer hardware)

Computer security services (programming and software installation repair and maintenance services); Computer support services (programming and software installation, repair and maintenance services); Design of telecommunications installations; Inspection (testing) of commercial installations; Inspection (testing) of domestic installations; Inspection (testing) of industrial installations; Installation and maintenance of computer software; Installation of computer software; Installation of firmware; Installation of middleware (software); Installation, repair and maintenance of firmware; Installation, repair and maintenance of middleware (software); Testing of computer installations

Wireless audio systems, including such goods comprising wireless microphones, wireless receivers, wireless transmitters, spectrum analyzers, wireless access point (WAP) devices, ethernet switches, antenna distribution systems, antennas, microphone switches, audio cables, batteries, battery packs, and battery chargers

Installation, maintenance and repair of computer hardware; installation, maintenance and repair of computer peripherals; computer support services; information technology services

Installation of computer software; programming and software installation; consultancy in the field of computer hardware; consultancy in the field of computer software