- Silverex
- Address:17l 81b, Namdong Industrial Complex, Namdong-Gu
- Tyent
- Address:Ungsang-dearo, Yangsan, Gyeongnam, South Korea
- elistech co., ltd.
- Address:142 Ilsanro
- INUS Partners Corporation
- Address:Saemmaelgil
- YOUNGWOO WATER PURIFIER
- Address:Rm. 1113 SeochoWorld B / D. , # 1355-3 SeochoDong, SeochoGu,
- Koreawaters co.,
- Address:462 banghwa-dong, kangseo-gu
- Han Cho Company
- Address:1468-10,Gwanyang 2-dong ,Dongan-gu, Anyang-si
- DMBIO CO., LTD
- Address:101 2F World Trade Center Smaseong-dong, Gangnamg-gu,
- Iwoo Scientific Co.,
- Address:1503-15,Seocho-dong ,Seocho-gu
- Enstar Co., Ltd.
- Address:1148-3, Sooweolam 3-ri, Seotan-myeon
- ROBOTOUS
- Address:
- GISE INC
- Address:Rm# 222 Renascence O / T, 342-2 Yatap-dong,
- WSGSA Co.Ltd
- Address:seodaemungu, yonheedong, 136-15
- OVIO CORPORATION
- Address:9 Block 4 Lot Mado Industrial Complex, 678-6 Sangsong-ri, Mado-Myeon,
- Korea Bio Nano Tech
- Address:2floor Myung Soo-Building, Seogyo-Dong
- Miracon
- Address:945-6 BangBae-Dong, Seocho-gu
- pailand co.,ltd
- Address:1169-10 bunji, Choryang 3-dong
- NH Filsys Corporation
- Address:
- Twell Co., Ltd.
- Address:678-2 Sungjung-Dong
- Todat International Inc
- Address:Seungeun B/D,464-39, Seokyo-dong, Mapo-gu