- Network Cable Ltd.
- Address:2F Taekwang industrial building,Anyang-dong ,Manan-gu, Anyang-si
- Metis Communication
- Address:SuJi-Gu DongCHun-Dong 853-1 Hyundai F & G 607
- ELPIS Co., Ltd.
- Address:102, 554-5 Gokbanjeong-dong, Gweonseon-gu
- Somang Steel CO,.
- Address:2F Sine B/D 344-4 Sindaebang-Dong
- j&h networks
- Address:Rm, 1511 hojeong tower, 528-13, Anyang-dong, Manan-gu
- FNET
- Address:KFSB Bldg. 10/F 16-2 Yoido-dong Youngdeungpo-ku
- jisu
- Address:serae
- AddPac Technology Co., Ltd.
- Address:2nd Floor, Kyeong-An Bldg. , 769-12 Yeoksam-dong, Kangnam-gu
- Texon
- Address:522-2, Yonghyun-Dong
- ESSETEL INC.
- Address:3Fl. , 1286, Dunsan-Dong
- VoLANs
- Address:1414 Pyeongchon LATZ 1588-6, gwanyang-dong, dongan-gu
- Telechips Inc.
- Address:1000-12,Daechi-dong ,Gangnam-gu
- Sewon Teletech, Inc.
- Address:881,Gwanyang-dong ,Dongan-gu, Anyang-si
- myrin
- Address:# 601, Sungho, Bldg, Siheung-dong
- SEHWA ELECTRONICS CO.,LTD
- Address:# 378-1 Maetan Dong, Yeongtong Ku
- Global Domains International
- Address:641-11, bupyung 6 dong, bupyung Gu
- Nextech.Co.,Ltd.
- Address:197-33,Guro-dong ,Guro-gu
- Telsys Communication
- Address:Kara B / D 5F
- hafix co.ltd,
- Address:
- designMAXX
- Address:A--609 Hyosung jewelrycity, Ineui-dong, Jongno-gu