- Micronic Korea Co.,Ltd
- Address:642-6 Yeoksam-dong,Yeoksam-dong ,Gangnam-gu
- UMCK PRODUCTS Co., Ltd.
- Address:65-11, Sasobon-dong, Sosa-gu
- SYSMATE CO LTD
- Address:1290 Specialty Construction Center 5F Dunsan-dong
- Haksan Lib System Ltd.
- Address:RM205.DAEMYUNG B/D,Seocho-dong ,Seocho-gu
- HONGBOG
- Address:San 65, B104 Saerom-Hall, Bokjeong-Dong, Sujeong-Gu
- UBIU Holdings inc.
- Address:# 810 Yeksam Venturetel 642-1 Yeksam-Dong Kangnam-Gu
- Lusem Co.,Ltd
- Address:459-11 Jeiplatz 1102-1, Gasan-dong
- SUPERLOCK CO.,LTD
- Address:96-1, Yangjaedong
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