- ABCO ELECTRONICS
- Address:SANDAEWON
- Hoya Lens Korea Co.,Ltd
- Address:YOONIL BLDG, 1443-15, Seocho 1-dong ,Seocho-gu
- ADMOTECH Inc.
- Address:1320, Gwanpyung-Dong, Yusong-Gu
- Peace & Joy, Inc.
- Address:# 201-504 Hanshin APT, Yatpa, Bundang
- Sonix Corporation
- Address:Jangji-dong,Jangji-dong ,Songpa-gu
- HMR CO ., LTD
- Address:159-43 SOSA-GU SOSABON-DONG
- Sung Il Ind. Co., Ltd.
- Address:97,Yongwon-ri ,Seongnam-myeon ,Cheonan-si
- Curoholdings Co.,Ltd
- Address:23-8,Yeouido-dong ,Yeongdeungpo-gu
- Phicom
- Address:Eunhaeng-dong
- e-Tron Co.,Ltd
- Address:room1601, Kumkang Venturetel, 1108, Bisan-dong, Dongan-gu
- Nampyung
- Address:# 701, ACE Twin Tower 2, Guro-dong, Guro-gu
- Gm Solution
- Address:Guro Dong
- TRF co.
- Address:167-16 3F, Goean-dong, Sosa-gu
- SUNWAVETEC CO LTD
- Address:Sunwavetec Bldg, 990-3, Cheonggye-Dong,
- Imarketkorea Inc
- Address:ChungMoo-Ro
- JUYOUNG INTERNATIONAL INC
- Address:# 213, Seolleung Daewoo i-ville, 890-49, Daechi-dong, Kangnam-ku
- Sun Jin Electronic Co,. Ltd.
- Address:373-5,Jung-ri,Seokjeok-myeon ,Chilgok-gun
- ALGORKOREA CO., LTD.
- Address:# 619~620, College of Electronics & Info. Eng. , Chosun Uni. , 375 Seoseok-Dong Dong-Ku
- Lanbird Technology
- Address:1487,Gayang 3-dong ,Gangseo-gu
- Rara Electronics Corperation
- Address:(100B-11L) 669-19 Gojan-dong,Gojan-dong ,Namdong-gu