- WISDOMSEMICONDUCTOR INC
- Address:A208 Daewoo Techno Park Dodang-Dong, Wommi-Gu
- TOP TECH ENG.
- Address:604-2 Guro-Dong
- Easf Electronics
- Address:165-9,Gamjeon 1-dong ,Sasang-gu
- Hot & Cool, Inc.
- Address:19-23, Maesan-ri, Mohyeon-myeon
- Todo Global INC.
- Address:# 1714, 713 Suseo-Dong, Gangnam-Gu, Seoul, South Korea
- CHUNGWOO SE CO LTD
- Address:258-2 Simokeucheon-Ro, Hyeondo-Myeon,
- C-tech
- Address:Bundang-Gu
- ALTI-ELECTRONICS INC
- Address:449-882, 90-1 Bong Myung-Ri, Namsa-Myun, Cheoin-Gu
- SUNGJI INFRA HIGH TECH LIMITED
- Address:68 (# 301) , Yangpyeong-Dong 5Ga
- SamLim Tech
- Address:Bosung B/D 3rd Floor, 476-9, Shimgok-2Dong, Wonmi-Gu
- Yura Corporation
- Address:388-13,Yeonje-ri ,Gangoe-myeon ,Cheongwon-gun
- Symphong Energy Co., Ltd.
- Address:671-2,Yong-dong ,Gwangsan-gu
- DAEWOO ELECTRIC HEATING CO LTD
- Address:182-13, Jangsa-Dong
- Optonica Corporation
- Address:235 Guro-dong, Guro-dong, Guro-gu
- O-Sung Electric Machinery Co., Ltd.
- Address:111-3, Yeongtae1-ri, Wollong-myeon