- HAVITSOLUTION
- Address:GBI Center 358 Dangjeong-dong Gunpo-SI
- Sung Poong STS LTD
- Address:261-4, Bugok-Ri, Jangyoo-Myeon
- Eootek
- Address:
- YOUNG SUNG
- Address:jungwang
- Wantz
- Address:Bisan
- GREENCLEVER Co., Ltd.
- Address:# 604 Mokdong Biz Tower, 29-23 Yangpyung-Dong 2Ga, Youngdeungpo-Gu
- Seoul Samkang Lighting Co., Ltd.
- Address:209,Gyesu-dong ,Siheung-si
- TR CO., LTD.
- Address:79, Sinwol-dong, Yangcheon-gu
1