- NAZCA Co
- Address:No501, World-Valley Bldg, 2Street2, Bupyung-Dong, Jung-Gu
- KNC Media Technology Co.,Ltd
- Address:# 201 Regent Office Bldg. Guui-3-dong, Gwangjingu
- Vastan.Co,Ltd
- Address:205, Daeryung Post Tower 2-cha 182-13
- HYOSUNG Chemical CO.,LTD
- Address:127-3, Sinamdong
- Coregate Co., Ltd.
- Address:Sangam-dong,Sangam-dong ,Mapo-gu
- E-Smartcom, Inc
- Address:153-55 Samseong-dong,Samseong-dong ,Gangnam-gu
- WOORIM Electronics Co. LTD.
- Address:1108-8 Namchon-ri, Oksan-myeon, Cheongwon-gun
- GT Telecom Ltd
- Address:848-16 Gupyeong-Dong
- Fabulouscase
- Address:83-1 2F
- Open Tech Inc.
- Address:60-19,Gasan-dong ,Geumcheon-gu
- Pantech & Curitel
- Address:Seo-cho Dong
- M touch Co.
- Address:
- protectm
- Address:
- SEIL COMMUNICATIONS CO
- Address:# 201, Yeonan Bldg. , Garak-Dong 10-11, Songpa-ku
- ELPIS Co., Ltd.
- Address:102, 554-5 Gokbanjeong-dong, Gweonseon-gu
- Somang Steel CO,.
- Address:2F Sine B/D 344-4 Sindaebang-Dong
- j&h networks
- Address:Rm, 1511 hojeong tower, 528-13, Anyang-dong, Manan-gu
- Telechips Inc.
- Address:1000-12,Daechi-dong ,Gangnam-gu
- myrin
- Address:# 601, Sungho, Bldg, Siheung-dong
- designMAXX
- Address:A--609 Hyosung jewelrycity, Ineui-dong, Jongno-gu