- Daedeok Gas Co,Ltd
- Address:# 12b-3l Nam-Dong Ind Complex
- Lotus International Co., Ltd
- Address:310, Bucheon Plaza, 313-10, Wonjong Dong, Ojung Gu
- E1 Corporation
- Address:13F-14F, ASEM Tower, Samseong 1-dong ,Gangnam-gu
- In-Joong Industrial Co.
- Address:315-5 Gangcheong-Ri, Yeomchi-Eup,
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