- KOPECO CO LTD
- Address:1116, Ma-dong, Chungang Utong
- HYUNDAI MEDICAL CO.,LTD.
- Address:202 Maesanri Opoup
- Keoyang Corporation
- Address:660-5,Seonggok-dong ,Danwon-gu, Ansan-si
- S.B.B Tech Co.,Ltd
- Address:150-10,Ponae-ri, Wolgot-myeon, Gimpo Si
- Kbr Co., Ltd
- Address:46-1,Ungnam-dong ,Changwon-si
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