- INDEOK CORPORATION
- Address:No. 678-2 Sungjung-dong, Cheonan-SI
- Fineston Metal LTD
- Address:B1805 marriott park center yeouidodong
- Koswire Ltd.
- Address:121-6,Samnak-dong ,Sasang-gu
- Merosa Intertrading Limited
- Address:GangNam-Gu, UnJooRo 118, Dogok-Dong
- A ONE SEA & AIR CO.LTD
- Address:578
- Posco Specialty Steel Co., Ltd
- Address:65. SHINCHON-DONG, CHANGWON-Ci
- POQUTEC- AFRICA OFFICE
- Address:SARBATE, ADDIS ABABA, South Korea
- NewsungDMS
- Address:gamidong
- S.W.OH
- Address:Namdaemoonro 5ga
- POLYTECH INTERNATIONAL CO LTD
- Address:Coex Trade Center 2A-02 159, Samseong-Dong
- Eastpo Korea Ltd.
- Address:2f. , 509-6 Deungchon2-Dong,
- A-Jin Industrial Co., Ltd.
- Address:231,Nae-dong ,Ojeong-gu, Bucheon-si
- sangmyung bio ceramics co,.ltd
- Address:bongyangub myungdori 374-1
- POSCO TMC
- Address:670, Daewangpangyo-ro, Bundang-gu,
- lodem s.l
- Address:444-2 Oncheon-dong
- Cobis-Teel
- Address:RN536 DIART4, 530-1 Sang-Dong
- Jeong and Lee Ltd
- Address:Yeoksam dong
- LINEAS ELECTRONICAS COREA INC
- Address:# 816 Hyundai Venture Ville, 24-1, Gumi-Dong, Bundang-Gu
- DR ENTERPRISE CO LTD
- Address:620-4 Jukdang-Ri, Bubaleub
- Poong San Industrial Co.,Ltd.
- Address:57,Seongju-dong ,Changwon-si