- Ho San Chemical Co.,Ltd
- Address:456-2,Songjeon-ri ,Idong-myeon ,Yongin-si
- Il Shin Chemical Co.
- Address:303-5, JANGKI-LI,Goryeong-eup ,Goryeong-gun
- UJIN TECH
- Address:595, Eupnae-Ri, Shinchang-Myeon,
- Kook Je Industry
- Address:+ 404, Anyang industrial complex, 555-9, Hogye-dong, Dongan-gu
- YUMIN COPRORATION
- Address:#1401 Masters Buliding,553, Dowha-dong, Mapo-gu, Seoul, Korea
- WONKYUNG INTERNATIONAL CO., LTD.
- Address:Jongro
- MIJUN INTERNATIONAL
- Address:MIADONG
- MICRO SCIENCE TECH CO., LTD.
- Address:1004, Venture Valley, 40, 152 Omokcheon-ro, , Gwonseon-gu
- Natural Bohne Co., Ltd
- Address:Jungnanggu
- PANAGENE INC.
- Address:816, Tamnip-dong, Yuseong, Daejeon, 305-510, Korea
- AK chemtech
- Address:# 1300, Hanbat-daero, Dong-Gu
- Dong Yang Chemical Company
- Address:199-1, Daedok-Ri, Noeun-Myun,
- Toiler CO., LTD.
- Address:112 Business Incubation Ctr. Incheon City College, 235 Dohwa-dong
- Bum Han Commercial Co., Ltd
- Address:5F,Myeongnyun-dong 2-ga ,Jongno-gu
- HAERYONG CHEMICAL CO.
- Address:579-6, Yongyeon-dong,
- YANGYANG INDUSTRIAL CO LTD
- Address:288-4, Misan-dong,
- Tpc Co., Ltd.
- Address:120-3,Seonhwa-ri ,Jillyang-eup ,Gyeongsan-si
- Sein Medex Co., Ltd
- Address:107-7,Bangi-dong ,Songpa-gu
- zabee
- Address:Ahyundong
- Atosafe
- Address:222-7, Guro 3 (sam) -dong, Guro-gu