- Mahani Electric Co., Ltd
- Address:576-8,Bisan 2-dong ,Dongan-gu, Anyang-si
- 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
- SnK
- Address:B-1105, Woolim Blue9 BLD. 240-21, Yeomchang-Dong
- NTREX,Inc.
- Address:Keumchungu, Gasandong
- ECOSENSE CO., LTD
- Address:811
- NOVA MAGNETICS
- Address:4B-5L, 618-4, Namchondong, Namdonggu
- Dnet Co., Ltd.
- Address:709-2 Hosan-Dong, Dalsgo-Gu
- VINARI
- Address:VINARI , 508 HEESUNG PLAZA , 321-2 Wolgye 3(sam)-dong,
- Korea Measuring Instrument
- Address:54-3, Gokbanjeong-ro 19beon-gil, Gwonseon-gu, Suwon-si, Gyeonggi-do, South Korea
- Onyou International Co.
- Address:gumi-dong201 pundang-gu seonam-city
- Kmt Co., Ltd.
- Address:B-203, Woolim Lion's Valley, 144-5 Sangdaewon-dong, Jungwon-ku
- Woojoo Hi-Tech Corp.
- Address:5th fl, Shinkwang Bldg., 160-8, Garak 2-dong, Songpa-gu
- Shinsung Engineering Co., Ltd
- Address:2169-17,Jeongwang-dong ,Siheung-si
- Ganaan Electronics & Precision Co., Ltd.
- Address:124B-2L,701-1,Gojan-dong ,Namdong-gu
- Premier Electronics Co.,Ltd
- Address:Da 4515, Joongang, Circulation Complex,1258-25, Guro-dong
- Korea Sangshin Electric Co., Ltd.
- Address:614-1, WOLHA-RI, SO-MYON, YONGI-GUN
- APMKOREA
- Address:88 Angaemje2gil Daejeon
- Edurevo. Inc.
- Address:A-601, Woorim Lions Valley, Gasan-Dong, Gumcheon-Gu
- GENICOM CO., LTD.
- Address:5f Daehan Bldg. , # 1018 Dunsan-dong, Seo-gu