- Steel Track Inc.
- Address:Hanil Town 129-2002, 881 Chowon-dong, Jangan-gu
- Mirae Steel International Company
- Address:#403, Hosan B/D,4-ga, Jungang-dong, Jung-ku
- Ecomaister Co., Ltd.
- Address:581-1,Gajwa-dong ,Seo-gu
- Kishin Corporation
- Address:439,Nonhyeon-dong ,Namdong-gu
- MG RESOURCE CO LTD
- Address:3F. , Seokjin BLDG. , 419-5 Gangnam-gu
- HaedongS&C
- Address:877, YONGHAN-LI, HEUNGHAE-EUP, BUK GU
- Is Steel Co.,Ltd.
- Address:1467-3,Seocho-dong ,Seocho-gu
- Ted Park
- Address:DAEYAMIDONG 636-3
- Seonjin steel co.,
- Address:
- SSMCO(Summit Special Metal)
- Address:No. 203 Chaeil Bldg, Moradong Sasang-gu
- SAMMI TRADING
- Address:1115 YUWON O / T
- YECO KOREA COMPANY
- Address:502-1304 Jungdentown Jungja Bundang
- komong international trading Co.,ltd
- Address:241 / Mannyeon officetel 909
- Yesteel Industrial
- Address:Room No.514, Ansung Building(A-dong),410-13, Shindorim-dong, Guro-gu
- Hyosung Coporation
- Address:235, Banpo-daero, Seocho-gu
- HORUS
- Address:
- NASTECH
- Address:Baemi-dong
- Digitall World Co., Ltd.
- Address:331,Yusan-dong ,Yangsan-si
- Dae Young Steel Wire Co.,ltd
- Address:# 224-2, Kobong-ri, Kuji-myun, Dasung-kun
- Pro Steel Co. Ltd
- Address:Yeoksam-dong