- JaeHwan Kwon
- Address:178-1 WOOGYE-RI, SANGDONG-MYUN
- MusunSpot Co., Ltd.
- Address:Rm No. 2008, 685-11 Bugok-Dong, Sangrok-Gu
- Dong Bang Electronic Ind. Co., Ltd.
- Address:DONGBANG B/D,147-7,Songpa-dong ,Songpa-gu
- bugsbook
- Address:178-1 wookei-ri, sangdong-myun
- 5-Star Warning lights Co.,Ltd.
- Address:41, Youngshoun,
- Miliforce Co
- Address:850-13 Hwagok 2Dong
- JSI Co.,Ltd.
- Address:
- KOREA LED LIGHTING
- Address:1485-14
- GM E&C Ltd.
- Address:248-1 JUNG-RI, SEOKJEOK-MYEON
- Dong Jin Precision
- Address:439,Segyo-dong ,Pyeongtaek-si
- Dream Networks Co.
- Address:
- Forus Corp.
- Address:2-802, Daelim, Eungbong, Seongdong
- Raydec Co., Ltd
- Address:3F, 881-5 Jungwoo Bldg. Jinnan Dong
- mtsds
- Address:150-1 Youngjeongri, Jingeon-eup,
- hanse electronics corp
- Address:2nd Fl. , The One Bldg, 1045-4 Youngtong-Dong
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