- Gold Mountain Electronic
- Address:ShinChang
- Duckwoo Won, Inc.
- Address:556-14, Janghang-Dong, ILsandong-ku
- ISOTEC CORPORATION
- Address:1110, Hyundai Venture Ville 713, SUSEO-DONG, KANGNAM-KU,
- Idfone
- Address:197-22,Guro-dong ,Guro-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
- 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
- YOUNG POUNG PRECISION CO.,LTD
- Address:149-6 haedong-dong, kumjung-ku
- DAESHIN METAL MFG. CO., LTD.
- Address:24-11, Pallyong-Dong, Changwon-City, Gyeongsangnam-Province, Korea
- Nine Industriel Co., Ltd
- Address:288-9,Cheonho 4-dong ,Gangdong-gu
- Daerin Electronics Co.,Ltd
- Address:222-10, Bangsan-Dong
- Hyosung Elect Co., Ltd.
- Address:RM 3-301, KWANGMYUNG FACTORY, 201, HAAN-DONG, KWANGMYUNG-CITY
- Gic Hightech Co.,Ltd.
- Address:Guro-dong 191-7,Guro-dong ,Guro-gu
- General Parts
- Address:3F / 310, World Merdian Biz Center, 15-1
- Yountel Co., Ltd.
- Address:123-3,Garak-dong ,Songpa-gu
- Fidelix
- Address:6-8,Sunae-dong ,Bundang-gu, Seongnam-si
- Pskeysystems Inc.
- Address:1400-5 Gwanyang-dong, Dongan-gu, Anyang-si