- NKTech
- Address:
- ENK.co.kr.
- Address:1172 Jisa-dong Gangseo-gu
- Praxair Supface Technologies Co.,Ltd.
- Address:743,Baekseok-dong ,Cheonan-si
- Trans-Korea Corporation
- Address:2nd FL, Sinjeong 2-dong, Yangcheon-gu
- MLC co.,ltd
- Address:1172 Jisa-Dong Gangseo-Gu
- SECO
- Address:Yeonjae-Gu, Yeonsan-Dong, Yeonsan 1
- NGVI, INC.
- Address:300-14 Changchon-ri, Namsan-myun
- Finetec Corp
- Address:329-3, Boche-ri, Miyang-myeon, Anseong-si
- KOREA METER INTERNATIONAL
- Address:696-3, Gyeongseo-dong, Seo-gu
- ENK CO LTD
- Address:# 1172, Jisa-Dong, Gangseo-Gu
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