- U & C Corporation
- Address:85,DongDong-ri ,Uiryeong-eup ,Uiryeong-gun
- Seal Trading Inc.
- Address:151 Sachang-ri,Yungnyeong-ri ,Geumwang-eup ,Eumseong-gun
- Sungil Co.,Ltd.
- Address:1092-2 Twerae-ri, Hanrim-myeon
- Mcare Co.,Ltd
- Address:1077,Pyeongcheon-ri,Gongseong-myeon ,Sangju-si
- ISO ENTERPRISE CO.
- Address:1504-1, SONGJUNG-DONG
- Young Poong Precision Corporation
- Address:337, Hwasan-Ri, Onsan-Eup, Uljoo-Kun
- Tps Inc.
- Address:Galsan-dong,Galsan-dong ,Dalseo-gu
- Keun Yung Industrial Co., Ltd.
- Address:123-36,Samseong-dong ,Gangnam-gu
- SebangFiber
- Address:Shinbu Posco the# Bldg 2022
- Choongmoo Precision Co., Ltd.
- Address:684-1,Deungchon-dong ,Gangseo-gu
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