- Phoenix Digital Tech Co.,Ltd.
- Address:17-3,Sinyang-ri ,Dunpo-myeon ,Asan-si
- Mahani Electric Co., Ltd
- Address:576-8,Bisan 2-dong ,Dongan-gu, Anyang-si
- Kodenshi Korea Corp.
- Address:513-5,Eoyang-dong ,Iksan-si
- Telenics Company
- Address:301-1103, Booyeong 3rd Apt. Samgae Dong
- Korea Quartz Technology Co., Ltd
- Address:25-11, Jann-Dong, Yuseong-Gu
- Asb Inc.
- Address:Venture Town 4,, KT Human Resource Development Center, Goejeong-dong ,Seo-gu
- Nicer Co.,Ltd
- Address:Flat 405, GS Hangang Eclat, 16-85, Hangangro3-Ga, Yongsan-Gu,
- Ko Do Technical Reserch
- Address:10-1,Yu-ri ,Bongdam-eup ,Hwaseong-si
- Dae Young Tech Win Co., Ltd.
- Address:Rm603,Dae-dong Technobill, 999-3, Doksan-dong, Geumcheon-gu
- Grace Electronics Co.
- Address:398-19,Sin-dong ,Yeongtong-gu, Suwon-si
- Dae Kyong Air Filter Co., Ltd.
- Address:301-1,Chowol-eup ,Gwangju-si
- EunSilHong
- Address:Na 118, Asia Electric Dept. 156-1
- Kyung Bo Sealtech Co., Ltd
- Address:779-1,Wonsi-dong ,Danwon-gu, Ansan-si
- SnK
- Address:B-1105, Woolim Blue9 BLD. 240-21, Yeomchang-Dong
- Lb Semicon
- Address:1027-1,Yulbuk-ri ,Cheongbuk-myeon ,Pyeongtaek-si
- NTREX,Inc.
- Address:Keumchungu, Gasandong
- ECOSENSE CO., LTD
- Address:811
- Dongbu LED Co.,ltd.
- Address:
- NOVA MAGNETICS
- Address:4B-5L, 618-4, Namchondong, Namdonggu
- Dnet Co., Ltd.
- Address:709-2 Hosan-Dong, Dalsgo-Gu