- LIGHTSTAR
- Address:376-4 dongburi
- UTRON CO LTD
- Address:B-602, 6F, WoolimLion'sValley 5th, 144-3, Sandaewon-dong, Jungwon-gu
- Song Jee Industrial Corp.
- Address:5442-1,Sangdaewon-dong ,Jungwon-gu, Seongnam-si
- CHUNG WOON ENTERPRISES
- Address:RM. 503 Cityvalley, 172 Keumgok-Dong,
- T H T(Tomorrow High Technology)
- Address:da dong 1403 ho chung-ang circulation complex 1258 kuroku kurodong
- VisionST
- Address:# 110 Byucksan Digitalvalley3, 212-13, Guro-dong, Guro-gu
- Keuk Dong Ki Jeon
- Address:
- Parma Company
- Address:724 Suseo-dong,Suseo-dong ,Gangnam-gu
- AIMBIO, INC
- Address:101-903, Digital Empire 2, Sinwon-ro 88, Yeongtong-gu,
- Sejin Hyd.M.f.g Co.
- Address:76-6,Geumsa-dong,Geumjeong-gu
- Mu Tech Korea Co., Ltd.
- Address:481-10,Gasan-dong ,Geumcheon-gu
- Kodi-S
- Address:574-1,Muk-ri ,Idong-myeon ,Yongin-si
- Fine Instruments Corporation
- Address:341-5,Songnae-dong ,Sosa-gu, Bucheon-si
- TMS KOREA CO LTD
- Address:345 Dongbu-ri, Jain-myeon
- Hanbando Commerce Co.
- Address:
- Samsei International
- Address:400-82, Galsan-dong, Dalseo-gu
- Sowontms Co.,Ltd
- Address:1287-15,Dal-dong ,Nam-gu
- Automation technologies Co.,Ltd.
- Address:Rm1306, 13fl, Manhattan bldg
- Shinwon World Trading Co.,Ltd
- Address:75-1,Gocheok-dong ,Guro-gu
- Specs Corp.
- Address:RM705, TECHNOPARK, 148, Yatap-dong ,Bundang-gu, Seongnam-si