- Kass Steel & Stationery Co.
- Address:619-21 Buwon
- Saemah Co.,Ltd
- Address:Rm# 301 Taewoong Bldg 166-9 SooAn-ong Dongnae-ku
- Seo Heung I&S co.,ltd
- Address:13, Yeouido-dong
- JH International Trade
- Address:namsandong 99-14, guemjung gu
- JUNGJIN METAL Co,.Ltd
- Address:956-22, Gamjun-Dong, Sasang-Gu
- SeJong Steel Co.,ltd
- Address:
- GNC METAL
- Address:NO. 618 GWANYANGDONG 1597, DONG ANGU
- INDEOK CORPORATION
- Address:No. 678-2 Sungjung-dong, Cheonan-SI
- Koswire Ltd.
- Address:121-6,Samnak-dong ,Sasang-gu
- Posco Specialty Steel Co., Ltd
- Address:65. SHINCHON-DONG, CHANGWON-Ci
- POQUTEC- AFRICA OFFICE
- Address:SARBATE, ADDIS ABABA, South Korea
- S.W.OH
- Address:Namdaemoonro 5ga
- POSCO TMC
- Address:670, Daewangpangyo-ro, Bundang-gu,
- Cobis-Teel
- Address:RN536 DIART4, 530-1 Sang-Dong
- LINEAS ELECTRONICAS COREA INC
- Address:# 816 Hyundai Venture Ville, 24-1, Gumi-Dong, Bundang-Gu
- UN Tech Co., Ltd
- Address:667-5, Mangpo-Dong, Youngtong-Gu, Suwon-city, Other, South Korea
- YANG-JI ENTERPRISE
- Address:207-8 Dalchun Agricultural and Industrial Complex Buk-gu
- Seokjin Steel Co.,Ltd.
- Address:Waegwanup
- Kumhwa Machinery Co., Ltd.
- Address:WONSHI-DONG,Wonsi-dong ,Danwon-gu, Ansan-si
- TWK GLOBAL
- Address:4800 Shinil B/D 425 Teheran Road, Gangnam-Gu, Seoul, South Korea