- Richus Tech. Co., Ltd
- Address:# 302, Daejin B / D, 310-3, Jangan 2-dong
- Sang Young International Ltd
- Address:SEORIN B/D,Yeouido-dong ,Yeongdeungpo-gu
- Han-Ve CnTech Co., Ltd
- Address:311, Bong Yang Dong,
- TheUpTown
- Address:# 452, Chulsan3dong
- SAMYANG CORP
- Address:263 Yeonji-dong, Jongno-gu
- Comart System Co., Ltd.
- Address:# 701 Ace Twin Tower 1, 212-1 Guro3dong, Gurogu
- AHA INC CO.,LTD.
- Address:3011, Hakwoon-ri, Yangchon-myon, Kimpo-SI Kyunggi-do, 415-843, Korea
- Dae Seung Intercom
- Address:37,Dangsan-dong 2-ga ,Yeongdeungpo-gu
- Dong Yang Electronic Co,Ltd
- Address:760,DAEMANG-RI,Goa-eup ,Gumi-si
- Cu Medical Systems, Inc.
- Address:1647-1,Munmak-eup ,Wonju-si
- DICON CO LTD
- Address:218-8 Anyang 7-dong
- JINYOUNG CONTECH
- Address:# 501, MARIO TOWER, 222-12, GURO 3-DONG, GURO-GU,
- Winners C&T Co., Ltd
- Address:#2325, Sindorim Posville, 26, Guro-dong, Guro-gu,
- SKD LCD Co., Ltd
- Address:4fl, Tae-sung B/D#238-77 Kasan-Dong Keumcheon-Gu
- Korea Semicom Co., Ltd.
- Address:Rm# 3210, Ba-Dong, Chungang Circulation Complex, 1258, Kurobon-Dong,
- Union Light Co.,Ltd
- Address:452-3, sungnae -dong, kangdong-ku
- Alp Corporation
- Address:#206,MOONYOUNG BLDG.,86-7, Nonhyeon 2-dong ,Gangnam-gu
- Ace Professimal Tec Co,Ltd
- Address:317-26,Yeong-ri ,Gisan-myeon ,Chilgok-gun
- Urban View Korea
- Address:Sangdaewon-Dong
- TAO PC Korea Co.Ltd.
- Address:1345 Kwangmyung Techno Park D-Dong, Soha-Dong,