- Geum Young Trading Co., Ltd.
- Address:Yonghyeon-dong
- Texchem Korea Co.,Ltd.
- Address:617, Dongmoon Goodmorning Tower, 1324, Baeksok-dong, Ilsandong-Gu
- KG Chemical
- Address:429-1, Okkil-dong, Sosa-gu
- Nato Corporation Co., Ltd.
- Address:73,Yongam-ri ,Eunhyeon-myeon ,Yangju-si
- One's TC
- Address:105-1401 Daewoo, Sam-Mahul, Kalsan-Dong, Dongan-Gu
- KISCO
- Address:yeomchang-dong
- Dkc Corporation
- Address:123B/ 3L,Gojan-dong ,Namdong-gu
- DAVOS INTERNATIONAL INC
- Address:2nd Floor Wooshin Bldg, 21 Yangpyung-dong 2ga, Youngdeungpo-gu
- YOUNGWOO CMS CO.,LTD
- Address:Doo Gok-Ri, 45-2
- 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
- Kyung-In Synthetic Corporation
- Address:223-52,Seongnam-dong ,Seo-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,
- M. Dohmenkorea Co., LTD.
- Address:580 Whasanri Onsaneup
- Maru Copr.
- Address:Rm. 501, Ssangmorivil. Bang I dong
- Eastwell,. LTD.
- Address:315, 1ma Shihwa-Kongdan
- GB Corp.
- Address:Boopyong-dong
- OSTER & APPLEBECK UFER
- Address:6/3, 625-2, Su-jeong 3 Dong, Dong-gu
- HANA TRADING
- Address:101-1707 Ssangyong Platinum Twin, 1460-2 Jwa Dong, Heaundae-Gu,