- Yuji Corporation
- Address:ROOM 403 CHOONGOK BLDG 561-30 SHINSA-DONG KANGNAM-KU Seoul
- Fineston Metal LTD
- Address:B1805 marriott park center yeouidodong
- lodem s.l
- Address:444-2 Oncheon-dong
- Poong San Industrial Co.,Ltd.
- Address:57,Seongju-dong ,Changwon-si
- MR STEEL INC.
- Address:552-2 Dangsandong 3ga, Youngdeungpoku
- ILSHIN TAEKWANG
- Address:232 Sinwonro
- Il Shin Taekwang Metal Co., Ltd.
- Address:604-1,Seonggok-dong ,Danwon-gu, Ansan-si
- Pizen Corp.
- Address:35-13, Nowon-3ga, Buk-gu, Daegu 702-814, Korea
- Korea Metal Ind. Co., Ltd.
- Address:166-1,Gasan-ri ,Gasan-myeon ,Pocheon-si
- Kim Union INC
- Address:Dong Shin Apt 212 407
- HEUNG IL METAL CO., LTD.
- Address:720-1, Wonsi-dong, Danwon-gu
- DWR&T
- Address:Songtal
- PUNGGOK INDUSTRY CO., LTD.
- Address:Daegot-myeon
- Hanjung Steel Co., Ltd.
- Address:Rm. 1014, Hyundai 41 Tower, 917-9, Mok 1 Dong, Yangcheon Gu
- Taewoo Metal Co., Ltd.
- Address:664-10 Seonggok-dong,Seonggok-dong ,Danwon-gu, Ansan-si
- Nam Kyung
- Address:1075 wolam dong dalseo gu
- JAECHANG METAL CO.,LTD.
- Address:358-88 Galsan-dong
- Hani Metalworks Co.,Ltd.
- Address:(Namdong Industrial 154B-1L) 724 Kojan-Dong,Gojan-dong ,Namdong-gu
- BHL SNT Co.,Ltd.
- Address:13,196Beon-gil,Oksan-ro,Wonmi-gu
- Seabros Int'l Corp.
- Address:1070-19, Gil Bldg. 401, gileumdong, sungbuk-ku