- INDEOK CORPORATION
- Address:No. 678-2 Sungjung-dong, Cheonan-SI
- POSCO TMC
- Address:670, Daewangpangyo-ro, Bundang-gu,
- DOHO Co., Ltd.
- Address:1470 ACEHIGHTECH21 2007-2
- Ted Park
- Address:DAEYAMIDONG 636-3
- Dong-Il Steel Company
- Address:104-902, 33 Beon-gil 21, JangSeungNam-Ro
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