- Phoenix Infomation Technology Co.,Ltd.
- Address:ACE B/D,Deungchon-dong ,Gangseo-gu
- Aqurus Inc.
- Address:201 SBIC 160 Hyanggyo-ro, Paldal-gu,
- Truepix Inc.
- Address:Cheonggye-ri Dongtan-myeon,Seogu-ri ,Dongtan-myeon ,Hwaseong-si
- Sysntech
- Address:Gaesin-dong
- Richus Tech. Co., Ltd
- Address:# 302, Daejin B / D, 310-3, Jangan 2-dong
- Dong-A Metal Co.,Ltd.
- Address:Guro Dong
- Namjootech Inc.
- Address:B-811,Woolim Rions Valley, 425,Cheongcheon-dong ,Bupyeong-gu
- Bci Technology Co., Ltd.
- Address:601, Hyundai I Valley 226-12, Sangdaewon-dong, Jungwon-gu
- 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
- Teralink Communications, Inc.
- Address:#482-3,Gung-dong ,Yuseong-gu
- 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
- ITSALUX
- Address:# 201, 170-5, Woolim E-Biz Center1, Kuro-Dong, Kuro-Ku
- 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