- UMB Communications
- Address:1010,5, Ace Techno Tower,197-22
- BUYANG
- Address:Woorim Lions Valley B-803c, # 425
- INY
- Address:# 306 Samho B / D
- Enhanced Chip Technology Inc.
- Address:1st 3th 4th fl,Junsung bldg.,628-29,Yeoksam-dong, Gangnam-gu
- hankwang / korea optics
- Address:#202-F-2 villa jungang heights,kumidong81 bundangku
- Uniseeds Co., Ltd
- Address:397-11 sung nai3dong,gang dong_gu,seoul,Korea
- Deuksoo Lee
- Address:Gurogu, Seoul, Korea
- Summitek Inc.
- Address:#303 Sungil BLDG,Songjuk-dong ,Jangan-gu, Suwon-si
- SYSTEC CO LTD
- Address:# 1007, Sun-il Technopia, 440 Sangdaewon-1 Dong, Jungwon-Gu,
- Icon Corporation
- Address:157-2,Jungdae-dong ,Gwangju-si
- GLOS
- Address:102-811# 18, 667 Kapgod-ri, Kanghwa-gun
- ANS Global Co.,Ltd
- Address:418-9 Yoonjung 5f
- sisto,Inc
- Address:
- DS Media Inc.
- Address:# 190-5, Karak 2 Dong, Song Pa Gu, Seoul, Korea
- MicroDigital
- Address:# 1212, Hoseodae Venture Tower 319
- TRA Co., Ltd.
- Address:Room 304 Woosung B/D, 907-12 Daechi-dong,Gangnam-gu
- RTS CO., LTD
- Address:517-14 Snic Bldg, Suite# 1003
- Daewoo Electronics Corporation
- Address:
- Oyto Co., Ltd.
- Address:958 Gosaek-dong Venture Valley Rm. 817, Gwonseon-gu
- GMG SECURITY
- Address: