- Keum Nyung Ind.co.
- All kinds of Rack Cabinet for Broadcasting or Networking System.
- Address:691-5 Donggyo-dong
- Chun Il Rf Co.,Ltd.
- Mini Small Output FM Broadcasting System,Underground Union Radio Repeater System.
- Address:609-24,Guro-dong ,Guro-gu
- Electron SKY
- Medical Equipment, Washer Disinfector, Portable HID Searchlight, LED Lighting, Headend Broadcasting System, Blue Tooth Portable Speaker, , .
- Address:811, Vk Bldg, 548-4 Anyang 8 Dong, Man-An Gu,
- ISS Corporation
- 90-66cm Portable VSAT,Satellite Modem,90-66cm Portable VSAT,CCTV Forest Fire Surveillance System,Satcom Hub,Satellite Modem,150cm Drive Away VSAT,150cm Flyaway VSAT,Satcom Hub,120cm Portable SNG VSAT,SNG Satcom Broadcasting Van,SNG Satcom Broadcasting Van,C.
- Address:5th Floor, Sungho Building, 4531, Sujin 2 Dong, Sujungku
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