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 telecommunications apparatus; 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