- Dongwon System Corp.
- SDH-MUX,ADSL,SMX-16,ITGS.
- Address:621-3,Bakdal-dong ,Manan-gu, Anyang-si
- Servntec Corp.
- PC based DVR/tracer/fire prevention system ipix DVR/4ch stand-alone DVR sdr 4816 (480fps,16ch)/neteye DVR (integrated network dvr)/sdh series (hardware compression).
- Address:101 Dongyang Incubator Center 62-160, Kochuk-Dong, Kuro-Gu
- Myung Min Systems, Inc.
- Fiber-Optic Components,Set Top Box,PA Modules for GSM Handsets,RF/IF ICs and Subsystems,SONET/SDH/PDH Components,SerDes Transceivers,GSM/GPRS RF Subsystems,PC Video & Multimedia.
- Address:1307-37 Gwanyang-dong,Gwanyang-dong ,Dongan-gu, Anyang-si
- Enidus
- CDMA Repeater,Wire (HDSL),Wire (P32-T),Wire (Nx64),Wire (Micro-Mux),SDH-MUX,Wireless (Hand Free Kit),Wireless (Micro Wave Equipment),TRS Repeater,Wire (DSU),The Micro-MuxD.
- Address:195-58,Anyang 7-dong ,Manan-gu, Anyang-si
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