- Finecess co ., Ltd
- Address:# 1410 SK (n) Technopark Biz Dong, Sangdaewon-dong,
- JKsystech
- Address:
- Averd Co., Ltd.
- Address:# 1016 Unitech Vil, 1141-2, Baeksuk-dong, Ilsandong-ku
- neoone
- Address:B-1503, 444-3Bangbae 2-dong
- Encomm Co.,Ltd
- Address:505 ho,Mugeo-dong ,Nam-gu
- WON KWANG INDUSTRIAL
- Address:# 170-10, Nae-dong, Ojeong-gu
- YOUJIN TECOR (Technical corp.)
- Address:82-21 DEOKWU-RI PALTAN-MYEON
- Doo Young Electronics Co.,Ltd.
- Address:3rd. Nambu Bldg.,Yeoksam-dong ,Gangnam-gu