- YUTIS
- Address:214-1 Daedong
- Yeonggwang Industrial co., ltd
- Address:463-32, Hyangsan-ri, Gochon-eup,
- Clover Marine Services Co.,LTD.
- Address:No. 1007-7 bangeo-dong Dong-ku Ulsan korea
- Jinwoo Co. Ltd.
- Address:Jin Woo B / D, 210-2, Sungsan-Dong, Mapo-Gu
- PMTC
- Address:Kuwol-dong
- Korea Kwang Nyun Co
- Address:210-44,Guui-dong ,Gwangjin-gu
- Mirrortech
- Address:48-1, Geumhyun-ri, Gasan-myun
- Kyowoo Co
- Address:Room 207 Start-up Center Building of Gwangkeo technovalley, 107 GwangKeo Street,
- Jin Yang Isc Ltd.
- Address:36-7,Geoyeo-dong ,Songpa-gu
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