- K-Mac
- Address:104-11,Munji-dong ,Yuseong-gu
- Procom Systems Co., Ltd.
- Address:# 1001, Kranz Techno, 5442-1, Sangdaewon-dong, Jungwon-gu
- NUBICOM INC
- Address:# 3-502, 503 ACEHIGHTECHCITY, # 54-66 Mullae-Dong 3-ga
- DHS CO., LTD.
- Address:Hwa-am Building
- soritech
- Address:Beyang-dong 19-18
- Ez Digital Co., Ltd
- Address:364,Samjeong-dong ,Ojeong-gu, Bucheon-si
- Nano Technics Co., Ltd
- Address:RM.103,2 BA, SHIHWA INDUSTRIAL COMPLEX,Jeongwang-dong ,Siheung-si
- weltwave co., ltd.
- Address:
- New Level Telecom Co., Ltd.
- Address:4F., Donghwa B/D, 349-24, Shindaebang 2-dong, Dongjak-gu,
- Biotel Co., Ltd
- Address:121-3, Botong-ri, Jeongnam-myeon, Hwaseong-si
- Samil Industry Co.,Ltd.
- Address:434-12, 44B-12L, Nonhyeon-dong ,Namdong-gu
- Poltec Co.,Ltd.
- Address:dangsan-dong 6-ga
- VISION SCIENTIFIC CO LTD
- Address:271-19 Samjeong-Dong Ojeong Gu
- S.I.E Co.,Ltd.
- Address:48-1,Pyeongnae-dong ,Namyangju-si
- Han young systems
- Address:# 9-229 shihoong cir. cntr. # 984 shihoong-3dong kumchun-ku
- CTA PLUS CO., LTD
- Address:74-8, 3ga Nowon-Dong, Bukgu
- SEC CO LTD
- Address:
- Moochang international
- Address:rm1406,Hanwah obelisk office, 555, Dowhadong, Mapo-gu
- Seron Technologies Inc.
- Address:
- Daigi Sciences Co., Ltd.
- Address:Fl 4, Daegi Bldg., 1031-7, Bangbae-dong, Seocho-gu