- GREEN ELECTRONICS
- Address:223-369 Seoknam-dong, Seo-gu
- DIGIRAY Corp.,
- Address:# 1003 Tech Vill, 1141-2 Baekseok1
- Korea Data System co.,ltd
- Address:2004, Korea World Trade Tower Bldg,.159, Samsung-dong,
- Mitumtech Corp.
- Address:348-2, Poongsan-dong
- Dae Durk Ele. Parts Co.,Ltd.
- Address:731-8,Wonsi-dong ,Danwon-gu, Ansan-si
- Psiondsp.Corp
- Address:Yongsan-dong,Yongsan-dong ,Yuseong-gu
- UNIS CO., LTD
- Address:120-13 Sunwha-Dong
- Korea SYSTEM's TECH Inc
- Address:51-37, Wonhyoro 3-ga, Yongsan-gu
- WASABI MANGO Inc.
- Address:501 Cyber Bd. , 24-8 Singye,
- Gas Detection Electronics Co.,Ltd.
- Address:383-41, Jeong Rung-3dong, Sungbug-ku,
- LIMPIA DISPLAY
- Address:Seoul
- PSIONdsp Corporation
- Address:415, Migun Techno-World B / D, 533, Yongsan-Dong, Yuseong-Gu, Daejeon, 305-500, Korea
- SKS CORPORATION
- Address:4F, 2316-4, Jeongwang 3-dong
- Sodiff E&T
- Address:# 201 Woolom E-Biz Center 1st, 170-5 Guro-Dong
- KDP DISPLAY
- Address:Ilsan-gu
- Kbcad
- Address:# 39-18, 2f, Yangjung2-Dong, Busanjin-Gu
- YUNO International Corporation
- Address:samhomulsan bldg. A-815, 275-1,yangjae-dong, seocho-ku,seoul,Korea
- GPEG K&M
- Address:# 405, DAERUNG Techno Town 12, 327-32 Gasan-dong, Gumchun-Ku
- QDIS Co., Ltd.
- Address:Rm 912 New T Castle, 429-1, Gasan-Dong, Geumcheon-Gu, Seoul, Korea
- EUCO CO
- Address:653-7 Bansong-Ree