See Information, Communication Technology (ICT) Sector Development and sector development according to the following categories developed by the United Nations Standard Industrial Classification (ISIC), Revision 3.1: Manufacturing 3000. Office equipment, accounting and electronic accounts. 3130 - Wires and insulated cables. 3210 - Valves, electronic tubes and other electronic installation materials. 3220 - TV, radio, telephone and telegraph equipment. 3230. Television, radio receivers, sound and video recording and reproducing apparatus and other related goods. 3312. Instruments, apparatus, instruments, instruments, instruments, instruments, instruments and equipment 5151 - Wholesales of computers and external hardware and software. 5152. Wholesale of electronic parts and devices, especially telecommunications. 6420. Telecommunications. 7123. Rental of office equipment and equipment (including computers). 72. Computer-related and other related activities.