- Digital information display
- Address:Mapo-gu
- Selcom Vision Co.,Ltd
- Address:250-1,Jamsil-dong ,Songpa-gu
- Dae Sung Machinery Co., Ltd.
- Address:Jeongwang-dong ,Siheung-si
- Bomoon Technics Inc.
- Address:1105, Woolim Linon's Valley Bldg. C, 371-28, Gasan-dong, Geumcheon-gu
- E RE GLOBAL CO., LTD.
- Address:SamJeong-Dong
- Ildong Screen
- Address:71, BILYONG-RI, NAMI-MYON, CHONGWON-GUN
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