- Ge Energy Korea Ltd.
- Address:Bently Bldg.,106-2 Yangjae-dong ,Seocho-gu
- Joong Ang Corporation
- Address:No.289-12, Jangang 4-dong, Dongdaemun Ku, Seoul, Korea
- INSSOL CO.,Ltd
- Address:447-2 Geo Song Building Fifth Floor
- HESCO
- Address:623-3, Namchon dong
- Eunhee Kim
- Address:Kwango-dong Doosan Apartment 103-1301
- DONG IL TECHNOLOGY LTD.,
- Address:Buk yang-dong
- Eunjoon Tech
- Address:Hwajung 164
- Metal Solutions Corporation
- Address:# 11-201, 984Siheung3-Dong,
- BOMIN SCIENCE
- Address:5 Floor Daesu B / D Bisan Dong Dong An Gu
- NDT Land Co.
- Address:# 404, Hanyang Business Incubator, Hanyang University
- Snu Precision Co.,Ltd.
- Address:#201 Dong-a town,Bongcheon 7-dong ,Gwanak-gu
- Bando Electronic Communicaton Co., Ltd.
- Address:152-4,Chunui-dong ,Wonmi-gu, Bucheon-si
- Shinchang ENG Co
- Address:
- winterstory
- Address:Seoul
- one n zero
- Address:
- HBE PRESS CO LTD
- Address:699-1 Ahnyoungdong Junggu
- Dae Young General Co., Ltd.
- Address:No. 501, JungSuk Bldg.,253-6 JuAn-Dong, Nam-Ku, Inchon, Korea
- NOW SYSTEMS CO., LTD.
- Address:899-1, Hogye-Dong, Donga-Gu,
- XAVIS CO LTD
- Address:Kumgang high tech valley. 133-1 sangdaewon
- EWOO ENGINEERING
- Address:Geumjeong-dong 694-39st