- Jung il wook
- Address:Yonggudaero 2469 40
- Woongjin Co., Ltd
- Address:620-16 Yeoksam Dong
- National Plastic
- Address:NO. 834 WEONSI-DONG,
- Aicello Milim Chemical Co Ltd
- Address:1da-402, Shihwa Complex
- Woolim Industrial Co., Ltd
- Address:310-26, Majeon Ri, Yeon Moo Eup
- Finetec Corp
- Address:329-3, Boche-ri, Miyang-myeon, Anseong-si
- LJGC
- Address:1324 Baekseok-dong Ilsandonggu
- U.E.S.I.
- Address:
- HYUP DONG IND. CO.
- Address:# 1278-3 Jeong Wang-Dong
- KOREA METER INTERNATIONAL
- Address:696-3, Gyeongseo-dong, Seo-gu
- D&I TRADING CO.
- Address:hyun-dai riverstel
- RECO CO.,LTD
- Address:514-7, Bugyang-dong
- Greennet Co., Ltd.
- Address:562, Janggi-ri, Goryeong-eup, Goryeong-gun
- ENK CO LTD
- Address:# 1172, Jisa-Dong, Gangseo-Gu
- JEIL INDUSTRY CO LTD
- Address:309-2 Sanmak-Dong