- GNI MICROWAVE CO LTD
- Address:388-2 Youngmoonri, Pogokeup, Cheoingu
- National Trading And Telelcomunication Co., Ltd.
- Address:136-2,Gaebong-dong ,Guro-gu
- Edi Technology Co., Ltd
- Address:1060,Sanbon-dong ,Gunpo-si
- Gold Mountain Electronic
- Address:ShinChang
- RF & Connector Technology
- Address:# 202, EM Building, 743-83, Ingye-dong
- Duckwoo Won, Inc.
- Address:556-14, Janghang-Dong, ILsandong-ku
- ISOTEC CORPORATION
- Address:1110, Hyundai Venture Ville 713, SUSEO-DONG, KANGNAM-KU,
- IL WOONG PAVING
- Address:3F, 274-16, Jaegi-dong, Dongdaemun-ku
- CellTyon Inc.
- Address:CenterPolisFL2, Youckchon-Dong, Eunpyung-Gu
- Idfone
- Address:197-22,Guro-dong ,Guro-gu
- Latchwon Co., Ltd.
- Address:975-94,Jangnim-dong ,Saha-gu
- Worldtron Co.
- Address:# 93-70, Sangsu-dong, Mapo-gu, Seoul, Korea
- Jabez Korea Electronics Co., Ltd.
- Address:DAIHEE ELECTRONIC B/D,1030-4 Doksan 4-dong
- Tae Gwang E&C Co., Ltd.
- Address:204-3,Anyang 7-dong ,Manan-gu, Anyang-si
- TripeTech Co., Ltd.
- Address:2f.820-4 Jung Reung 4 Dong, Sung Buk Gu
- Sangbo Electronics Co., Ltd.
- Address:466,Uijeon-ri ,Jinyeong-eup ,Gimhae-si
- Solar Telecom Technology Co., Ltd.
- Address:B Building 4F,Samho Venture Tower #275-6,Yangjae-dong ,Seocho-gu
- LG N-Sys
- Address:3f LG Mapo Bldg. 275, Kongduk-Dong
- Open Telecom Inc.
- Address:569-21,Gasan-dong ,Geumcheon-gu
- Tae Sung P&T
- Address:604-1,Guro-dong ,Guro-gu