- Signet Systems Inc.
- Address:room 510 Ilsan Techno Town 1141-1,Baekseok-dong ,Ilsan-gu, Goyang-si
- SMDV
- Address:280-11, Mora-Dong,
- Ever Techno Co., Ltd.
- Address:139-1,sandong-ri, Eumbong-myeon ,Asan-si
- June Tne Co., Ltd.
- Address:#606, ECHONOCHARMANT, 360-3, YATAP-DONG ,Bundang-gu, Seongnam-si
- Hankook M-Tech Industries Co., Ltd.
- Address:4B-4L,Namchon-dong ,Namdong-gu
- CARNICS CO LTD
- Address:410, Gyo-ri, Tunsan-uep, ,
- ILLSAN LIGHT CO,
- Address:# 491-32 Sin Rim-Dong
- ND TRADING / ET SYSTEM ASIA
- Address:689-10, SONGNAE-DONG, SOSA-GU,
- Chungpa Emt Co.,Ltd.
- Address:493-6,Gasan-dong ,Geumcheon-gu
- MET(Maintenance of Electronic Technology)
- Address:866-7 2F, st
- Memory & Testing Inc.
- Address:29,Chugye-ri, Yangji-myeon, Yongin-si
- HITECOM SYSTEM
- Address:
- Eastern Holding
- Address:103-23 Dongsomoon-dong 4ka, Sungbuk-Ku
- ENTEC ELECTRIC&ELECTRONIC CO., LTD.
- Address:78-2 Buncheon-Ri Bongdam-Eup
- Pjkodivac Ltd.
- Address:569-21,Gasan-dong ,Geumcheon-gu
- Sys Electronics Co.,Ltd.
- Address:10-2, HYERONG-RI, PAEBANG-MYON, ASAN-CITY
- Wonil System Inc.
- Address:799,Gwanyang 2-dong ,Dongan-gu, Anyang-si
- Nao Technologies Ltd
- Address:345-15,Gasan-dong ,Geumcheon-gu
- Taehyunh Industrial Electronics Co.,Ltd
- Address:103/806,Bucheon technopark, 364,Samjeong-dong ,Ojeong-gu, Bucheon-si
- Hansol Trading Co.
- Address:Suwon Plaza 1006, # 1046-19, Ingye-Dong, Paldal-Gu