In the 10th Korean Standard Industrial Classification (KSIC), communication and broadcasting apparatuses manufacturing is listed as “Manufacture of communication and broadcasting apparatuses,” including “Manufacture of wire communication apparatuses,” and “Manufacture of broadcasting and wireless communication apparatuses.” The location quotients for communication and broadcasting apparatuses manufacturing ranked by descending order were Suwon-si, Gumi-si, Seongnam-si, Anyang-si, Gangseo-gu in Seoul, Pyeongtaek-si, and Yuseong-gu in Daejeon; at the -si/-do area levels, communication and broadcasting apparatuses manufacturing is mainly concentrated in Gyeongsangbuk-do, Gyeonggi-do, Seoul, Gwangju, and Incheon. The number of workers for communication and broadcasting apparatuses manufacturing ranked by descending order were Gyeonggi-do, Gyeongsangbuk-do, Incheon, Seoul, and Gwangju. The value added for communication and broadcasting apparatuses manufacturing ranked by descending order were Gyeongsangbuk-do, Gyeonggi-do, Seoul, Gwangju, and Incheon. 

In the 10th Korean Standard Industrial Classification (KSIC), semiconductor manufacturing is listed as “Manufacture of semiconductor,” including “Manufacture of electronic integrated circuits,” and “Manufacture of diodes, transistors, and similar semiconductor devices.” The location quotients for semiconductor manufacturing ranked by descending order were Icheon-si, Jung-gu in Incheon, Yongin-si, Buk-gu in Gwangju, Hwaseong-si, and Cheongju-si; at the -si/-do area levels, semiconductor manufacturing is mainly concentrated in Gyeonggi-do, Chungcheongbuk-do, Chungcheongnam-do, Gyeongsangbuk-do, and Incheon. The number of workers for semiconductor manufacturing ranked by descending order were Gyeonggi-do, Chungcheongbuk-do, Chungcheongnam-do, Incheon, and Gyeongsangbuk-do. The value added for semiconductor manufacturing ranked by descending order were Gyeonggi-do, Chungcheongbuk-do, Chungcheongnam-do, Gyeongsangbuk-do, and Gwangju.