- 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
- V.S.I. Co., Ltd.
- Address:461-34,Jeonmin-dong ,Yuseong-gu
- Es Technology Co.,Ltd.
- Address:Wonji-ri,Wonji-ri ,Juchon-myeon ,Gimhae-si
- A-Ga-Na-Ra Korea
- Address:130-1,Sinwol-dong ,Yangcheon-gu
- Yongsung Electric Co., Ltd.
- Address:348-3, Samri, Silchon-Myeon, Gwangju Si
- Mectron Co., Ltd.
- Address:67-5, Janghyun-3Ri, Jinjeop-Eup,
- Lffs Co.,Ltd
- Address:819,Dorim-dong ,Yeongdeungpo-gu
- Dong Ha Precision Co., Ltd
- Address:18-6,Samjeong-dong ,Ojeong-gu, Bucheon-si
- Elecompo.com
- Address:148-19 Nonhyun, Kangnam
- chansol co ,.ltd
- Address:469-4, Kaehyang-Ri, Jeungnam-Myun
- korea electric co.,ltd
- Address:53 jang sa dong chongrogu
- Samkwang Precision Co.,Ltd
- Address:508-1,Gamjeon-dong ,Sasang-gu
- Seoil Electronic Co., Ltd.
- Address:353-1,Onam-ri ,Onam-eup ,Namyangju-si
- Airwave tech
- Address:3f, 366-2 Songnae-Dong Sosa-Gu
- Infirus Co. , Ltd.
- Address:2513. , Intellige C., 24 Jungja-Dong, Bundang-Gu
- DK Corporation
- Address:409, Rojin Plaza, 775-3, Gojan-dong, Danwon-gu
- Fluix
- Address:82-29,Mullae-dong 3-ga ,Yeongdeungpo-gu
- Yeonho Electronics Co., Ltd.
- Address:506-2 Hanam-dong,Hanam-dong ,Gwangsan-gu