- Sungwon Telecom Co.,Ltd
- Address:#202-504 Techno,Yakdae-dong ,Wonmi-gu, Bucheon-si
- MOSTEK
- Address:481-23, WOOMAN-DONG, PALDAL-GU
- DAEKWANG semiconductor
- Address:90, Gyeongin-Ro 53Gil
- SENKO CO LTD
- Address:73, Oesammi-ro, 15beon-gil,
- SAMSON I&C KOREA
- Address:GEPODONG 1233-12 SAMSUN BJDG 4 FL
- Satreci.Co.,Ltd
- Address:#461-26,Jeonmin-dong ,Yuseong-gu
- JTF
- Address:
- Ecumatech
- Address:1st F1,Sejung Electronics Bldg,98-2,Yangjae-dong,Seocho-gu,Seoul
- Korea New Ceramics Co.Ltd.
- Address:70-3 Sosabon-2dong, Buchon City, Gyonggi-do
- ZeeAnn
- Address:2F, 181-3, Gwangam-dong
- Sigmanics Co., LTD
- Address:
- UK Ucera Co., Ltd.
- Address:# 813 Uchun Factopia, Anyang-dong, Manan-gu
- Dong Won Trading Co.
- Address:#201,2F, Jangwon B/D, 182-9 Jangsa-dong, Jongno-gu
- HANKOOK SENSOR
- Address:1323-2, Maeho-Dong, Susung-Gu
- Deesys Co., Ltd.
- Address:257-18,Daeneung-ri ,Daegot-myeon ,Gimpo-si
- Sentech Korea Corp.
- Address:801-2 Ilsan Techno Town Bakseok, Ilsan
- Amkor Technology Korea, Inc
- Address:Amkor Technology Korea Co.,Daechon-dong ,Buk-gu
- DONG-A GEOVAN CO.,LTD
- Address:77-137 Street, Jang In-Road, Sasang-Gu
- HAN International Co., Ltd.
- Address:#1305, Seugyo sky tower B/D, Seogyo-Dong
- Rainbow Electronics Co., Ltd.
- Address:# 309, 11 seoun-ro, seocho-gu