Manufacture of computer, electronic and optical products Standard Industrial Classification (SIC) codes of UK-based importers and exporters 26110 - Manufacture of electronic components (2398) 26120 - Manufacture of loaded electronic boards (641) 26200 - Manufacture of computers and peripheral equipment (1664) 26301 - Manufacture of telegraph and telephone apparatus and equipment (295) 26309 - Manufacture of communication equipment other than telegraph, and telephone apparatus and equipment (587) 26400 - Manufacture of consumer electronics (2731) 26511 - Manufacture of electronic measuring, testing etc. equipment, not for industrial process control (1714) 26512 - Manufacture of electronic industrial process control equipment (1355) 26513 - Manufacture of non-electronic measuring, testing etc. equipment, not for industrial process control (185) 26514 - Manufacture of non-electronic industrial process control equipment (151) 26520 - Manufacture of watches and clocks (425) 26600 - Manufacture of irradiation, electromedical and electrotherapeutic equipment (370) 26701 - Manufacture of optical precision instruments (470) 26702 - Manufacture of photographic and cinematographic equipment (309) 26800 - Manufacture of magnetic and optical media (74)