- Ewic Colors Co., Ltd.
- Address:# 358-39 Hosu-Ro
- YOUNGWOO CMS CO.,LTD
- Address:Doo Gok-Ri, 45-2
- Hankuck Latices (HLC)
- Address:
- Orient Colors & Chemicals Co., Ltd.
- Address:Yeongdeungpo-Gu
- HYUN TOTAL MEDICOS
- Address:Janhang-dong
- HwasungPOC
- Address:
- Namdo Tech Co., Ltd.
- Address:682-41,Sinam-dong ,Dong-gu
- Yurim Industrial Co.
- Address:Goyang-ri 3-20,Goyang-ri ,Wolgot-myeon ,Gimpo-si
- YD-Diagnostics
- Address:# 173 Seo-Ri, Yidong-Myun, Cheoin-Gu
- Kyung-In Synthetic Corporation
- Address:223-52,Seongnam-dong ,Seo-gu
- HANIL
- Address:223-1, Shin-Heung ri, Bae-Bang Myun
- Dong bang chemical Co., LTD
- Address:Baeckam BLDG# 103 189-3 Uam2dong
- Daihyun Auto Co., Ltd
- Address:312-4,Jangan 2-dong ,Dongdaemun-gu
- Purion Corporation
- Address:202-104
- GSG Co., Ltd
- Address:# 404 Royal Plaza 496 Cheonghak-dong Yeonsu-gu
- KISCO (Kyung-In synthetic corp)
- Address:112-31ave
- Epotech Corp.
- Address:# 1001, 2 10th Floor, Taeyang Building, 44-2, 44-4, Yeouido-dong, Yeongdeungpo-gu,
- Tiger International
- Address:1209, Hanseo Reiverpark, Yeouido-dong, Yeongdeungpo-gu,
- N. P. Kolon Industrial Product Co.,ltd.
- Address:625-38 Gusan Dong, Ilsan seo-Gu, GoYang city
- DU HYEON CHEMICAL CO.,LTD
- Address: