- Antenna Tech, Inc.
- Address:219-2,Gakhwa-dong ,Buk-gu
- Hismartech
- Address:2,Nonhyeon-dong ,Gangnam-gu
- egens
- Address:seonwoo ventureville a-202 ,332-33,gocheon-dong,euiwang-si-do 437-801
- BOYOUNG TECH CO LTD
- Address:Dongguk Mettriang 6f 602 84-2, Mullae Dong 3 Ga
- AM Corporation
- Address:A1511-1, Daesung D-polis, Gasan-dong,
- DMFIT
- Address:#718-2 Namdong- Gu Gojan- Dong
- Insung Electronics Co., Ltd.
- Address:421 Wonchon-Dong Yongtong-Gu
- JOYTRON CO LTD
- Address:1Dong-606Ho IT Castle, 550-1, Gasan-dong,
- HANSHIN IT CO.,LTD.
- Address:# 201, 694, Taplip-Dong Yuseong-Gu
- Hisco International Co., Ltd
- Address:1004 Ace TechnoTower III ,197-48 Kuro-Dong, Kuro-Gu
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