- Samnam Steel Industry
- Address:
- Kiswire Ltd
- Address:475,Mangmi-dong ,Suyeong-gu
- Nvisiontec
- Address:
- Dosko Ltd,.
- Address:605b-23, 1060-8, Singil-Dong, Danwon-Ku
- Young Heung Corporation
- Address:252-17,ShinWon-ri,Pogok-Myeon,Bundang-gu, Seongnam-si
- SAMKYUNG STEEL ENTERPRISE.,
- Address:Kyunggi-Do, Kunsun Sarue 1150-21
- Gensea textiles group corp
- Address:sam woo b / d, 732-04
- DONGKUK R&S CO LTD
- Address:# 411-1, UGye-Ri, SangDong-Myeon
- Jung Woo Emc Co., Ltd
- Address:196-5 Goju-ri,Maegok-ri ,Paltan-myeon ,Hwaseong-si
- Dong Bang Special Steel Co., Ltd.
- Address:597-1,Ho-dong ,Nam-gu, Pohang-si
- Sejung Metal Co., Ltd
- Address:# 1500-20, Songjeong Dong
- Sang Won Steel
- Address:27, Hongchun-ri, Lipjang-myun, Chonan-city
- YOOSUNG TNS
- Address:Seohee Bldg. , 165
- YUIL STEEL
- Address:Gyeonggi-Dobucheon-Si219-13, Nae-Dong, Ojeong-Gu
- SIIT INTERLINK
- Address:No. 509, KM-Bldg. , 690-1, Nambimin-Dong, Seo-Gu
- DAEJI STEEL
- Address:RM904, SINDONGA O / T, 426-7, BUJUN-DONG, BUSANJIN-GU
- Hyosung Corporation
- Address:Cheong Dam Building 52
- SKY INDUSTRY CO.LTD
- Address:828-8 Dongsam Youngdo
- Sungil Engicom
- Address:# 720, HD PARK V, 108 GURO-DONG, GURO-GU
- Il Jin Rds Co.,Ltd.
- Address:1606-1,Songjeong-dong ,Gangseo-gu