- ACT Communication Technologies Co.,Ltd.
- Address:4Fl, joilB/D, 291-2, Yatapdong, Bundang-gu
- INOCOVA CO., LTD.
- Address:# 20-4, 4f young cultural foudation bldg, yang-jae 1dong
- TELCRA KOREA
- Address:# 605 Haedong Bldg. , 154, Bangyi-Dong,
- Goodway Company
- Address:Youido dong
- M touch Co.
- Address:
- HIWAVE INC
- Address:1288-1, Bojeong-dong
- Ant Telecom Co., Ltd.
- Address:Cheongwun B/D 6F, 990-198, Keomsa-dong, Dong-gu, Daegu, Korea
- protectm
- Address:
- Cybernet Inc.
- Address:513-15,Sangdaewon-dong ,Jungwon-gu, Seongnam-si
- vcore
- Address:11th FL. , Byucksan Digitalvalley 3, 121-13, Guro-dong
- TELE FRONTIER
- Address:3F, 396-11, DAEBANG-DONG, DONGJAK-GU
- Chun Il Rf Co.,Ltd.
- Address:609-24,Guro-dong ,Guro-gu
- SH BEACON INC
- Address:Seocho gu
- I-DO-IT Co., Ltd
- Address:#11-1201 Hyundai Apt., Kwanpyungro 333, Dongan Gu,
- Hdtelecom Co.,Ltd
- Address:
- Yebin Precision Co.
- Address:105-2305 DAE-DONG FAC. APT. SIMGOK-DONG
- CIJ Inc.
- Address:101 IT Pleax, Jangdong
- N-itus Co., Ltd
- Address:
- SEIL COMMUNICATIONS CO
- Address:# 201, Yeonan Bldg. , Garak-Dong 10-11, Songpa-ku
- Kaicom Co.,Ltd.
- Address:#109, Techno Town, 1487,Gayang 3-dong ,Gangseo-gu