- Protection Solutions Inc.
- AC Line Surge (TSP SERIES),Transient Ground Clamp (TGC),Data Line $ Signal Line (CLP (Hybrid 3-stage Coaxial Line Protector)),Data Line $ Signal Line (SLP (Hybrid 3-stage Signal Line Protector)),Telecommunication Line (TLP (Telephone Line Protector)),AC.
- Address:Rm303, Dongil techno,826,Guro-dong, Guro-gu
- Crypto Telecom Co., Ltd.
- IP surveillance, network camera, network A/V server, digital transmission system over the existing telephone line, home gateways, PIMA server, mobile video monitoring solution at PDA/mobile phones.
- Address:810-9, Bangbaedong
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