- Shin Han Kuk Oilless Co.,Ltd.
- Address:ChungAngCircul; ationComplex
- I-Pass Corporation
- Address:142-21,Seoun-dong ,Gyeyang-gu
- Korea Japan Tok Bearing Co., Ltd.
- Address:RM 701,NAMYANG B/D, 11-3,Bukchang-dong ,Jung-gu
- AHA COPRORATION
- Address:Rm.517, Hosugreen Officetel,752-1 Janghang 2-dong, Ilsan Dong-gu,
- KAHA COMPOSITES CORPORATION
- Address:11-88 Songlim Dong Dongku
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