- MIRAE SEMICOM Inc.
- Address:207, Theovalley, 555-9, Hogye-Dong, Dongan-Gu
- 3W
- Address:206-2202, BucksanBlooming APT, Gochuckdong, Gurogu
- DKS Semi Conductor
- Address:# 225-3, DangJungDong
- MAX LIGHTING KOREA
- Address:Room#504-1, 499-2 Sang-Dong, Wonmi-Gu
- SANG WON LED
- Address:Room 102, 177-1, Cheolsan 2-Dong
- G.O.Q
- Address:290-31, Gamil-Dong
- Samjin Lnd Co., Ltd
- Address:494-3,Yeongcheon-ri ,Dongtan-myeon ,Hwaseong-si
- Kb Optical Telecom Ltd.,
- Address:Gwang-Ju Techno Park,Daechon-dong ,Buk-gu
- Gem Power Device Co., Ltd
- Address:97-1 Sincheok-ri Deoksan-myeon
- AVL INC
- Address:503-7 Gwacheon-Dong
- Well Light-tec Co., Ltd
- Address:#1514 Mega-dong,SKn Techno Park, Sangdaewon 1-dong, Jungwon-gu
- OK Industry Inc.
- Address:
- Bu-Chang LED
- Address:95 hongik-dong
- K.J. Pretech Co., Ltd.
- Address:594-1,Banwol-ri, Taean-eup ,Hwaseong-si
- Lumens/Lumitech
- Address:gaepo-dong1192-1 Kangnam-gu
- Atti Ad Co., Ltd
- Address:2nd. Fl. , 548-5, Dogok-dong,
- innopol-e
- Address:555-21 Baekseok-dong
- SS Light
- Address:1FL Mobeom Bld, 1051-44 Sadang-dong
- HanSung Elcomtec
- Address:# 1301 Jin Do Bld, Dohwa-Dong
- Korea Q Tech Co.,Ltd
- Address:914-1 Haka-ri, Gasan-myeon