- LIGNex1
- Address:Pruenctial Tower, , 838, Yoksam-Dong, Kangnam-Gu
- Deashin Electronics Company
- Address:,Sinjeong 5-dong ,Yangcheon-gu
- Mirae E&I Co Ltd
- Address:401, IT Mirae-Tower, 60-21, Gasan-Dong, Geumcheon Gu
- Highsystek.Co.,Ltd.
- Address:#178-273, Ga-Jwa 1 Dong, Seo-gu,
- C&C Instruments Co., Ltd.
- Address:203-806 Techno-Park, 192 Yakdaedong, Wonmigu
- Sooseo Sanup
- Address:716,Suseo-dong ,Gangnam-gu
- RFKMG
- Address:Unitech Bill 207-3, 1141-2, Baekseok-Dong, Ilsan-Gu,
- Korea Instrument System Ltd.
- Address:108-11,Seongsan-dong ,Mapo-gu
- UTRON CO LTD
- Address:B-602, 6F, WoolimLion'sValley 5th, 144-3, Sandaewon-dong, Jungwon-gu
- Song Jee Industrial Corp.
- Address:5442-1,Sangdaewon-dong ,Jungwon-gu, Seongnam-si
- Kodi-S
- Address:574-1,Muk-ri ,Idong-myeon ,Yongin-si
- Samsei International
- Address:400-82, Galsan-dong, Dalseo-gu
- Procom Systems Corporation
- Address:5442-1,Sangdaewon-dong ,Jungwon-gu, Seongnam-si
- Hyunjoo In-Tech Co.,Ltd.
- Address:#305,Daeji Sport B/D, 1302-2,Seocho-dong ,Seocho-gu
- Top-A Technology Co., Ltd.
- Address:118B 8L, Namdong Industrial Complex, 688-12, Gojan-dong, Namdong-gu
- DOULTECH CO.,LTD.
- Address:A-701, 17, Gosan-ro 148beon-gil
- Seertech
- Address:693-2,Geumjeong-dong ,Gunpo-si
- Taekyoung Machinery Co., Ltd
- Address:Sungdong-ku Sungsu2ka3dong 289-293
- Jaesung Engineering Co.
- Address:The'O valley 410, Hogye-dong, Dongan-ku
- Danil Smc Co., Ltd.
- Address:3F,, J B/D, 35-25 Jamwon-dong, Seocho-gu