- DooreKorea, Ltd.
- Address:2nd Fl. Techno Complex, Korea University, Anam-dong
- Campion CCTV
- Address:201, Free Zone B/D 383-7, Simgok dong , Wonmi-gu, Buchon city, Gyounggi do, S. Korea.(ZIP: 420-827)
- Korea Communicaton Electronics
- Address:B-409 woolim Lions Valley 425 Cheongcheon
- Visionmaru
- Address:Guro
- WE INNOVATION
- Address:
- Ubiquam Co., Ltd.
- Address:Tech Bldg,Yatap-dong ,Bundang-gu, Seongnam-si
- XRPLUS
- Address:# 805 Ace Techno Tower 2nd, 197-7, Guro3Dong
- udworks
- Address:# 810 Byuksan 3cha, Guro-dong, Guro-gu
- UTISS CO LTD
- Address:202, Eunsung Bldg. , 240-14, Nonhyun-Dong, Kangnam-Gu
- Infinite Video Technology
- Address:# 905, Gwangmyeong SK Techno Park, 1345
- Global One Int'L
- Address:261-40 16 / 4
- D-max
- Address:
- WEBGATE
- Address:# 906, Woolim E-Biz Center 2, 184-1guro-3dong, Guro-Gu,
- Kumyang-systemInc.,
- Address:72-2 Yulam-ri, paltan-myun
- TIBET SYSTEM
- Address:6F Lotte IT Castle 2nd 550-1 Gasan-dong Geumcheon-gu
- CIT Inc.
- Address:3F CJ Elysee BLDG, Anyang-6 Dong, Manan-Gu
- GST Co., Ltd
- Address:Gosaek-Dong, Gwonseon-Gu
- BST Technology
- Address:# 1101-1, Hanshin IT Tower II, Gasan-Dong
- Genesisi&c
- Address:# 702, Goyang Bromax Tower, 731-2, Janghang2-Dong, IlsanDong-Gu
- Dooroome Inc
- Address:# 1011 Boram Tower Sanbon Dong