- Dongsong Electronics
- Address:Na-202,Sallim-dong ,Jung-gu
- Hanshin Kendo Equipment Company
- Address:Busan Dong-gu
- Uniana Co., Ltd.
- Address:907-18,Mok 5-dong ,Yangcheon-gu
- UMB COMMUNICATIONS CO LTD
- Address:# 237-14, Guro-Dong
- Blue Island
- Address:2nd Floor, Oryong B/D, Chamsil-Dong, Songpa-Ku,
- Cosmo global Corp
- Address:1534-5, Seocho-Dong
- BIZNET
- Address:#1014, DaeMyung Ansvill-2cha, Sang Dong 454, Wonmi-Gu
- Diazramosa Electronic,ltd
- Address:1000 Yeonsan-5 Dong
- Dh Magic
- Address:B1 2-145bunji, Yuljeon-Dong
- Sonokong Co., Ltd.
- Address:
- DIGITAL IMAGING TECHNOLOGY
- Address:
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