- HWASUNG SYSTEM CO.,LTD.
- Address:Unit 604 Digital Empire B, Kwan yang 906-4, Dong an
- WooSim System INC.
- Address::# 501, Daerung Technotown III, 448, Gasan-Dong, Geumchun-Gu
- Kwang Woo Inc.
- Address:898-23,Hogye-dong ,Dongan-gu, Anyang-si
- Valcretec
- Address:Byucksan Digital ValleyII, 15th Floor,481-10
- IMT Corp
- Address:Mapo-Dong 35-1, Hyundai Bldg. room# 516, Mapo-Gu
- Chung-Ho Comnet
- Address:CHONGHO B/D,Yeongeon-dong ,Jongno-gu
- Neo Technology Inc.
- Address:889-1,Gwanyang-dong ,Dongan-gu, Anyang-si
- Mobiis
- Address:6f, Dongyeon Building, Yangjae 1 Dong,
- XTM CO., LTD.
- Address:Haechon Bldg., 741-40
- M&SERVICE CO.,LTD.
- Address:2 FL, 385, Toegye-ro,
- LinkFlex
- Address:5F, Min-YOUNG BLDG. 175-2 NONHYEON-DONG, GANGNAM-GU, Seoul, Korea
- LOADMAIL KOREA INC
- Address:
- Mobilenic Co., Ltd.
- Address:513-15,Sangdaewon-dong ,Jungwon-gu, Seongnam-si
- Mediasolution Inc.
- Address:6F LG Palace Bldg. 165-8 DongKyo-dong,Donggyo-dong ,Mapo-gu
- SiSNET Co.,Ltd.
- Address:14F SJ Technoville 60-19, Gasan-Dong, Geumcheon-Gu
- Ganong Int'L Corp.
- Address:Rm 201, Samwoo Bldg., 1-7, Nonhyeon-dong, Gangnam-gu
- Nautilus Hyosung
- Address:7F,Cheongdam-dong ,Gangnam-gu
- Gungard Safe Ltd.
- Address:528-13,Anyang-dong ,Manan-gu, Anyang-si
- Kovecom
- Address:437-2 Mogok-dong,Mogok-dong ,Pyeongtaek-si
- Puloon Technology Inc
- Address:Hoyryong-Ro 60th St. 23-10