- TLS Co., Ltd
- Address:
- GMTS Co.,Ltd
- Address:168-1
- GNEX (Korea ) Co., Ltd
- Address:# 807, Union-Tower, 44-34, Yeouido-Dong, Youngdengpo-Ku
- RadioHub
- Address:B-701, Gabul Great Valley Building, Gasan Dong, Kumcheon-Gu
- AIJISYSTEM
- Address:# 306-1, Sec. D, Bundang Techno-Park, 151 Yatap-Dong
- Cybernet Inc.
- Address:513-15,Sangdaewon-dong ,Jungwon-gu, Seongnam-si
- Telda Electronics
- Address:Dobong Electronics Industrial Complex, Beon 2-Dong, Gangbuk-Gu
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