- Kuju Information Communication Co., Ltd.
- network security solution, through physical separation, netswitch, switch hub, hub.
- Address:7F KOAMI B/D, 13-31 Yoido-Dong Youngdeungpo-Gu Seoul 150-010 Korea
- FNET
- Physical Network Security- NetSwitch I- NetSwitch II-M- NetSwitch II-R- DualNET,Network Communications.
- Address:KFSB Bldg. 10/F 16-2 Yoido-dong Youngdeungpo-ku
- Joe Ran
- Power controller,server Software,Netswitch.
- Address:no. 39, lane111, NatenMOO
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