- INTA Corp.
- Address:Woolim e-Biz. Center 310, 170-5, Guro-Dong
- hando safty
- Address:# 413, 481-10, Gasan-Dong, Geumchun-Gu
- SAM WOONG
- Address:828 DUKAM Ri, ZUZHON MEON
- shinsungcontrol
- Address:
- KEUMSANG D&C
- Address:2F, 69, Gangdong-daero 53gil, Gangdong-gu
- SAFE-ROAD Co.,Ltd.
- Address:1160-2 Jungri-Dong
- ETI CO LTD
- Address:155 Yongheung-ri Yongjin-myeon
- Guil Construction Co., Ltd
- Address:# 1101 Miwon B / D 43 Yoidodong Yeongdeungpogu
- KI Technology Co., LTD.
- Address:77-1 SungSan-dong
- KEON-A INFORMATION TECHNOLOGY CO., LTD
- Address:KEON-A Bldg, 507,Olympic-ro
- SUNGJIN INTERNATIONAL CORP.
- Address:707-1 Yoksam
- HappyColor
- Address:SeGeDong 99-1
- Koreio Trading Company
- Address:#102-901, 58-43 Baebang-ro
- MNTECH
- Address:1113-6 namchon-ri oksan-myeon cheongwon-gun
- Neo Light Co
- Address:82-2, Ugae-Ri, Sangdong-Myun,
- Alcoholscan
- Address:Yoksam
- Shinhwa World Tech
- Address:78-2 Dopyeong-Ri Chowol-Eub
- DONGKWANG ENGINEERING CO LTD
- Address:432 Jinwoori Docuckmyun
- Yooil Hitec Co., Ltd
- Address:926-3 , Pyungchon-Dong , Dongan-Ku
- Auto Electronics Corporation
- Address:Hansin IT Tower,Guro 3-dong ,Guro-gu