- Dnc Tech., Inc.
- MP3 encodable digital audio player,Cassette recorder,Encodable digital audio player,Dual deck CD recorder,WMA encodable player,Multi-codec portable digital audio player.
- Address:70-10 Nonhyeon-dong,Nonhyeon-dong ,Gangnam-gu
- Softeq Korea Corporation
- MP3 Player, MPEG4 Player, Digital Voice Recorder, GPS, Other Projects.,Professional Audio, Video & Lighting,MP3 Player.
- Address:26 Guro-dong
- 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
- Tekmax Telecom
- MP3, TMP1000, Digital Audio Player, IONEIT,Professional Audio, Video & Lighting.
- Address:Ilsan
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