- Buem Steel Co., Ltd.
- Address:Pohang Steel Industry 4Block, 187-6, 130 Dongkuk-ro, Ocheon-eup, Nam-gu
- Hasuh Industries Corporation
- Address:1066 Daepo-ri Dong-myeon
- Osung parking Co.,Ltd
- Address:Rm 203rd, Anyangmegavellay, # 799 Kwanyang-Dong
- TPK Co.,Ltd
- Address:1209, Jaesong-Dong, Haeundae-Gu
- YCP
- Address:1089-3, Kuwol-3dong,
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