- Jung Jin INC.
- Address:143-50 Kasan-dong
- Samyang corporation
- Address:263 Yeonji-dong, Jongno-gu
- Kratos Co., Ltd
- Address:451-63, Yonghyun-Dong, Nam-Gu
- Jchem Co.,Ltd
- Address:
- DUKWON POLYMER CO LTD
- Address:776-1, Kwanhwa-Ri, Seonnam-Myun,
- LUCKY ENPLA CO LTD
- Address:# 460-1 Haksan-Ri, Kasan-Myeon,
- U-One Com-Tech Corp.
- Address:Gangdong-Gu
- LITEM
- Address:1140-4, Jung-dong
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