- BLUEPLUS International Co
- Address:Seoul
- AminoLogics
- Address:968-6 Daechi-dong, Kangnam-gu
- SAEWHA IND.
- Address:42-168 Ihyeon-dong seo-gu
- Saehwa Corp.
- Address:1115, Bisan, Dongan
- Kyung San Chemical
- Address:Dongan-gu Gwanyang-gu 1396-1
- TAE WON TECH CORP.
- Address:Songjeong-dong, Gangseo-gu
- WILLEAP
- Address:206 Venture Plaza, Trade Tower 2nd Fl, World Trade Center 511, Yeongdongdae-ro,
- CHEMTROS CO LTD
- Address:Sandaewon dong
- DH Inernational
- Address:ILSAN, GOYANG CITY
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