- Edurevo. Inc.
- Address:A-601, Woorim Lions Valley, Gasan-Dong, Gumcheon-Gu
- GENICOM CO., LTD.
- Address:5f Daehan Bldg. , # 1018 Dunsan-dong, Seo-gu
- Dae Sung Eng.
- Address:#B-112 Techno Plaza,Jeonpo-dong ,Busanjin-gu
- N.SET Co.,Ltd.
- Address:# 308, Industry-University cooperation Building Dong-Eui University, Gaya Dong, Busanjin-Gu
- World Line Trading Co.
- Address:Baekseok-dong
- Kefico Corporation
- Address:Kefico Corporation, 410, Dangjeong-Dong, Gunpo-SI
- Inziplus
- Address:
- GSI Semicon Inc
- Address:Doosan Wve 802-1904, 861 Sanghyun-dong, Suji-ku,
- Sungshin Nen Material Co., Ltd.
- Address:Geoje-dong,Geoje-dong ,Yeonje-gu
- GI Corporation
- Address:1024-15, Yeoungtongdong
- Kec Holdings Co., Ltd.
- Address:517-4,Gasan-dong ,Geumcheon-gu
- EOFE ULTRASONICS CO., LTD.
- Address:303, Business Incubation Center, Korea Aerospace University, 76 Hanggongdaehak-roHwajeong-dong, Deokyang-gu
- Hani Corporation
- Address:1695-5,Seocho-dong ,Seocho-gu
- J & Partners Trading Company
- Address:909-805, SangHyun LG Zai, Sanghyun2-Dong, Suji-Gu
- dksemi
- Address:# 182-7 Sins-dong, Eunpyung-Gu
- Dong Jin Electronics Co., Ltd.
- Address:C-3501, Dongil Techno Town, 889-1, Gwanyang 2-dong ,Dongan-gu, Anyang-si
- Jee Sang Pneumatic Co., Ltd.
- Address:491-18,Bisan-dong ,Gumi-si
- Dong-A Electric Components Co., Ltd.
- Address:521-58,Sutaek-dong ,Guri-si
- Dasa Trading Co.
- Address:3rd Floor, Myong Bldg,396-36, Seogyo-dong, Mapo-gu
- NINETY SYSTEM
- Address:184-1, Guro-3 dong