- Sung Hwa Telecommunication Co.,Ltd
- Address:258-1,Yadang-ri ,Gyoha-eup ,Paju-si
- Seohwa Telecom Co.,LTD.
- Address:SEOHWA Bldg. , # 678, Gasan-dong, Gumcheon-gu
- Polypix Inc.
- Address:713, Hyundai Venture-vill, Suseo-dong, Gangnam-gu
- AddPac Technology
- Address:2F, Kyeong-An Bldg. , 769-12 Yeoksam-dong, Kangnam-gu
- TLS Co., Ltd
- Address:
- Dae Yang Magnet
- Address:615,Daecheon-dong ,Dalseo-gu
- Link Tek
- Address:418 Dochang-dong,Dochang-dong ,Siheung-si
- Line Tech Co.
- Address:70BL-7LOT 639-7 Gojandong
- INFOMIND CO., LTD.
- Address:2F, 2820bunji, Yongdam 1-dong, Jeju Si
- CVC Co., Ltd
- Address:2f, Backma-building Yatap-dong, Bundang-gu
- MAXFOR TECHNOLOGY INC
- Address:
- GMTS Co.,Ltd
- Address:168-1
- iBIT Technologies, Inc
- Address:Geumcheon-gu, Doksan-dong 1004-9, Jisan IT Venture Center 4F
- MOATEL CO.,LTD
- Address:345-89Geumchun-Gu
- E2M Technology
- Address:
- GBSun Co.,Ltd
- Address:Jongro
- Damotech Co., Ltd.
- Address:Youngdeungpoku
- SMIC
- Address:gasandong
- Daemyoung Precision Co., Ltd.
- Address:684,Gojan-dong ,Namdong-gu
- M.I.Tech Korea Co., Ltd.
- Address:5-38 Juan-Dong Nam-Gu Incheon 402-205 Korea