- Vieworks media corporation
- Address:
- Swipekorea. Co,. Ltd
- Address:#433-3, Nonhyeon-Dong, Namdong-G
- KYUNG IN CO LTD
- Address:Bugae Dong, Bu Pyung Gu
- Modern Intech Co., Ltd.
- Address:Jurye 1-dong,Jurye 1-dong ,Sasang-gu
- WONPOONG CORP
- Address:Wonpoong Bldg 8th Floor,664-8, Deungchondong, Gangseogu
- AT Optronics Corp.
- Address:
- JPNC Inc.
- Address:(Dujeong-dong Palacepia Bldg. Suite 616) 9, Dujeongsang-ga 2-gil,
- SIGNTECH CO LTD
- Address:Sunil Technopia 440, Sangdaewon-Dong, Jungwon-Gu
- KCS Co. Ltd
- Address:312-1 Sinwol-Ri, Chowol-Up,
- SMART LED
- Address:
- TECHSIGN LIGHT PANEL CO., LTD.
- Address:# 2, 69-3, Sangdaewon-dong, Jungwon-gu
- POLYVISION CO.,LTD
- Address:45-4 Daeyui-ri, Bugi-myeon