- Seiko Industry Co.,Ltd.
- CABLE FOR DIGITAL BROADCASTING,A/V CORD ASSEMBLIES,OPTICAL FIBER CABLE.
- Address:740-7,Gojan-dong ,Namdong-gu
- Maycom Co., Ltd.
- MP3 Player, Digital Recorder, Digital Audio Broadcasting, GSM Mobile phone,MP3 Player,Digital Voice Recorder.
- Address:Maycom B/D, 280-5 Seoksu 2-Dong, Manan-Gu
- HyOn Corp. (former Jas Teletech)
- Satellite & terrestrial dmb (digital multimedia broadcasting), satellite & terrestrial dmb set top box, bluetooth MP3 phone, digital photo frame, repeaters (tma, ics, wibro 2g & 3g, etc.. ),Digital Photography,MP3 Player,Car Video,Television,Navigation & GPS.
- Address:121-869 Seoul-si, Mapo-gu, Yeonnam-dong,504-29
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