- Leroi machinery Co.
- Address:Seoktop 301, 1588-7 Seocho3-Dong, Seocho-Ku
- Il Seung Co.,Ltd
- Address:2-3,Chung chuh-ri,Jillye-myeon ,Gimhae-si
- Selim Trade Co.,Ltd
- Address:903 sammo sporex seowon-dong Gwanakg-Gu
- CELLFA TECH
- Address:328-9, Bukog-Ri, Jangheung-Myeon
- Shidae Electric Co. Ltd.
- Address:43-4,Wonmi 1-dong ,Wonmi-gu, Bucheon-si
- Albatros Marine Service Ltd.
- Address:501,juno b/d, 592-2, Hadan-dong ,Saha-gu
- Shinil Engineering co.,ltd
- Address:
- Planet System Co., Ltd.
- Address:126-1,Pyeongchon-dong ,Dongan-gu, Anyang-si
- Sunil Mecsuring System Co., Ltd.
- Address:5F, Dongwun B/D, 413-4, Dogok-dong, Gangnam-gu
- New-Gen Power Co.
- Address:719-15,Hakjang-dong ,Sasang-gu
- Kmc Supply Inc.
- Address:Rm601 Dobong Bldg,Jurye 1-dong ,Sasang-gu
- Il-Sung Engineering Co,.LTD (ISEC)
- Address:328 Hwasan-Li, Onsan-Eub, Ulju-Gun