- Amado Corporation
- Address:2f, Namjang Bldg,224-23, Jayang-dong, Kwangjin-ku
- Woolim Co., Ltd.
- Address:310-26,Majeon-ri ,Yeonmu-eup ,Nonsan-si
- Heung Won industrial Co., Ltd.
- Address:
- EPOCO I&S CO.,LTD
- Address:# 13-5 gupyeong-dong, saha-gu
- Woongjin Co., Ltd
- Address:620-16 Yeoksam Dong
- LJGC
- Address:1324 Baekseok-dong Ilsandonggu
- Greennet Co., Ltd.
- Address:562, Janggi-ri, Goryeong-eup, Goryeong-gun
1