- Ki Ryoong Co.
- Address:2fl,#126 samjun-dong,songpa-gu,seoul,korea
- Rewon Systems, Inc.
- Address:1321, 239 Pyeongchondaero, Dongan-gu
- SUHJIN INDUSTRY CO
- Address:No. 530-17, Hadan-dong, Saha-gu
- TAESUNG METAL. CO
- Address:241-9 Cheong-won-ri, Mado-myeon
- NUTS BOLTS FASTNERS & ANCHORS
- Address:Block 5 Street 8
- YOUNG WOO TECH CO LTD
- Address:# 12, DalSeo-gu,
- DONGHYUN ELECTRONICS
- Address:Yangcheon-myeon, Yuhyeon-ri
- Kong & Beckwith Elim Development Consultants
- Address:Hong Un 3 Dong
- Everlast Corp
- Address:No 527 Acroprime Yeoksam Ro 139 Kangnam Gu
- SUNG EUP MACHiNERY Co., Ltd.
- Address:
- Sam Woo Precision Ind. Co., Ltd
- Address:9-9, Jukgok-ri,,Jinyeong-eup ,Gimhae-si
- SEUNGBO MECHA TECH
- Address:Gwanho1gil
- Namyoun HI-TECH
- Address:335-4 yudeung-ri, Daesan-myeon
- Hwa Shin Bolt Industrial Co.
- Address:980-1,Jangnim-dong ,Saha-gu
- Jeil Medical Corporation
- Address:#702,Kolon Science Valley 2nd, 811, Guro-dong ,Guro-gu
- JISCO
- Address:san14-6 jeokhyun-dong,
- Spestren Co.,Ltd
- Address:Daran 1115
- Samjoo Eng. Co.,Ltd.
- Address:1508-3,Dadae-dong ,Saha-gu
- Daegun Construction & Services Co., Ltd.
- Address:# 590-1, Gojan, Cheongbuk,
- sungha metal
- Address:#3931