- Dae Sung Eng.
- Address:#B-112 Techno Plaza,Jeonpo-dong ,Busanjin-gu
- World Line Trading Co.
- Address:Baekseok-dong
- Kefico Corporation
- Address:Kefico Corporation, 410, Dangjeong-Dong, Gunpo-SI
- Inziplus
- Address:
- Sungshin Nen Material Co., Ltd.
- Address:Geoje-dong,Geoje-dong ,Yeonje-gu
- GI Corporation
- Address:1024-15, Yeoungtongdong
- EOFE ULTRASONICS CO., LTD.
- Address:303, Business Incubation Center, Korea Aerospace University, 76 Hanggongdaehak-roHwajeong-dong, Deokyang-gu
- Jee Sang Pneumatic Co., Ltd.
- Address:491-18,Bisan-dong ,Gumi-si
- NINETY SYSTEM
- Address:184-1, Guro-3 dong
- Blue And Green Trading Co.,Ltd.
- Address:A-512B,Gasan-dong ,Geumcheon-gu
- Philtech
- Address:
- BAROTEC
- Address:
- Bronn Co.,Ltd.
- Address:Hogye-dong ,Dongan-gu, Anyang-si
- Smart Electronics
- Address:1406 Chpoil-ri, Samdong-myeon
- Chang Sung Ele
- Address:4Lot 146Block #715-3,Gojan-dong ,Namdong-gu
- OptoPAC Inc.
- Address:1112-11, Namchon-Ri, Oksan-Myeon,
- Han Ho Safety System
- Address:907-10,Hogye-dong ,Dongan-gu, Anyang-si
- bizvel Co., Ltd. (http://www.bizvel.com)
- Address:1f Naeson, Uiwang, Kyungki
- Winner Eco Tech
- Address:Priming water valley
- Seri2B
- Address:# 170-4, Simi-dong