- Crypto Telecom Co., Ltd.
- Address:810-9, Bangbaedong
- ASUNET
- Address:306, Sinjisic Industry B / D, Hongeundong, Sedaemun-Ku
- Viewcomm Co., Ltd.
- Address:200, Chunwi-Dong
- 3B Technology Co., Ltd
- Address:3f 901-26 Hokye-2 Dong, Dongahn-Ku,
- Atec
- Address:1451-78,Seocho-dong ,Seocho-gu
- Woori
- Address:119-87 Sasa-dong,Sasa-dong ,Sangnok-gu, Ansan-si
- SWE
- Address:404, ByucksanSunyoung Technopia
- Logitel Co., Ltd.
- Address:470-5, Gasan-dong, Geumcheon-gu
- RN electronics
- Address:#413, 172,LS RO
- Orion Electric Co., Ltd.
- Address:165,Gongdan-dong ,Gumi-si
- Taewon Int'l Corp
- Address:Suite 819 Hanshin Officetel 11-9 Sinchun-Dong, Songpa-Gu
- Asan System Technology Co.,Ltd.
- Address:Taeheung Bldg,Cheongpa-dong 3-ga ,Yongsan-gu
- Creact Global Inc.
- Address:2nd Floor Woebalsan-Dong Gangseo-Gu
- Ubitron Inc.
- Address:1110-1 Dongan-Gu
- Dong Hyung Corporation
- Address:626, Investel, 1123-3
- Sicam Systems,Ltd.
- Address:
- Magic Computer Co Ltd
- Address:348 B-Part Martworld Gamjen-dong Sasang-Gu Pusan Korea
- elezawy
- Address:daewon-ri, jori-eup
- BluePixel Co.,Ltd.
- Address:Room309, Biz center, SK N Techno park, 190-1, Sangdaewon-Dong, Joongwon-Gu
- Jin Young Contech Co., Ltd.
- Address:222-12,Guro-dong ,Guro-gu