- Asb Inc.
- LNA Surface Mountable Modules,RF MMIC Amplifiers,PLL Surface Mountable Modules,5.8 GHz DSRC RF Module,Pico-Cell Repeater,Ku-band Converter Module,RFID Reader RF Module & System,2.4 GHz RF Transceiver Module.
- Address:Venture Town 4,, KT Human Resource Development Center, Goejeong-dong ,Seo-gu
- Nexcon Technology Co., Ltd.,
- Voice Amplifiers,Speakers,Battery Protection Circuits,PCM (Protection Circuit Modules),Voice Amplifier / Speaker.
- Address:303-1 Yobang-ri, Seonggeo-eup
- ISEE
- Amplifiers,Selector,Accesorries.
- Address:Rm.501 Cheonil B/D, 24-571 Hwagok-dong
- M & TECH INC.
- AMPLIFIERS,car amplifiers,Korea amplifier,amplifiers.
- Address:BUCHEON TECHNOPARK 301-1304, SAMJUNGDONG 365
- Samhyoung Electronics Co., Ltd
- Amplifiers, public address system,6cd-tuner amplifiers, powered mixer, s. R system, speakers,Power Supplies,Professional Audio, Video & Lighting.
- Address:1378 Jeongwang-dong
- Tae Jin Technology Co., Ltd.
- Voltage Stabilizer,Voltage Regulators,Power Supply Controllers,Operational Amplifiers.
- Address:694,Tamnip-dong ,Yuseong-gu
- enwsound
- Mixer Amplifiers.
- Address:113-70, Chonnong-2 Dong, Tongdaemun-Gu, Seoul, Korea
- shinsung communications, inc.
- amplifiers,speakers.
- Address:ilsan techno town# 624, baekseok-dong, ilsandong-gu,
- Tuk Soo A.V Co.,Ltd.
- VENUE Systems,Processors,Power Amplifiers,HP-W,Mixing Consoles.
- Address:449-8,Dogok-dong ,Gangnam-gu
- Dae Sung Hi-Tech Elec Co., Ltd.
- Stereo mixer,Public address amplifiers,Mosfet stereo power amplifier,Car power amplifier,Car power amplifier.
- Address:FL4,5BL,Gayang-dong ,Gangseo-gu
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