- Infomation Technology Convergence Ubiquitous
- Address:Room# 1518 LG Palace, Donggyo-Dong, Mapo-Gu
- Hyun dai iron plate superior
- Address:854-32 Bum Chun 1 Dong Jin Gu
- Jung Won Steel
- Address:9-10 Gonghang Dong
- J J WOOD Corp
- Address:546 Hakik-Dong, Namgu
- Cheong-Sol Eng Co.,Ltd
- Address:710, RivertowerI, 94-119, Yeongdeungpo-Dong 2Ga, Yeongdeungpo-Gu
- Merosa Intertrading Limited
- Address:GangNam-Gu, UnJooRo 118, Dogok-Dong
- A ONE SEA & AIR CO.LTD
- Address:578
- POLYTECH INTERNATIONAL CO LTD
- Address:Coex Trade Center 2A-02 159, Samseong-Dong
- Jeong and Lee Ltd
- Address:Yeoksam dong
- DR ENTERPRISE CO LTD
- Address:620-4 Jukdang-Ri, Bubaleub
- pyunghwametal
- Address:Sokongdong
- Ebenezer International Inc.
- Address:14-5 Chunhyun-Dong
- Kum Kang Resources
- Address:BUSANBUSAN1001, BANYO 1-DONG, HAEUNDAE-GU
- Gyowwsteel.co.ltd
- Address:jungdongn
- CHS corp
- Address:Wongok-dong
- Emerging Korea Inc.
- Address:3F SeongEun B / D 246-64 Banghwa-Dong, Gangseo-Gu
- APL Corporation
- Address:1758 Jangjae-ri, Baebang-Eup
- KIPSCO
- Address:Sangnamdong 71-1. 3f
- Hungseng Trading Co., Ltd.
- Address:1, Jungang-dong 3-ga, Jung-gu
- INKOS INTERNATIONAL COMPANY
- Address:KYYONGGI DO