- Eastern Lloyds Corporation
- Address:Rm1310, Manhattan Bldg, Yeouido-dong
- KPCR Co., Ltd.
- Address:
- CellTyon Inc.
- Address:CenterPolisFL2, Youckchon-Dong, Eunpyung-Gu
- OD HITEC CO., LTD.
- Address:# 614, ACE Tower, 361, Simin-Daero, Dongan-Gu
- SUNGBANG CORPORATION
- Address:Seocho-dong
- Ihan Co.ltd
- Address:411 Woosung B / D, 961-9 Dapsimni-Dong Dongdaemun
- PNE SOLUTION CO.,LTD
- Address:554-6 Mugap-ri, Chowol-eup
- Aixtron
- Address:6,Jeongja-dong ,Bundang-gu, Seongnam-si
- I-Somsys Inc.
- Address:49-8 Cheon Ho Dong, Kang Dong Gu
- Bo Sung Silicon Co., Ltd.
- Address:194-8,Dodang-dong ,Wonmi-gu, Bucheon-si
- ASCA Tech Co., LTD.
- Address:1085-2, 3 Kyesan-Dong, Kyeyang-Gu
- Yoochang Metal Ind Co., Ltd.
- Address:245,Nae-dong ,Ojeong-gu, Bucheon-si
- Idfone
- Address:197-22,Guro-dong ,Guro-gu
- Belton Engineering Lt.
- Address:F12-8, Daeryung Techno Tower 8-cha, 481-11, Gasan-dong, Geumcheon-gu
- Global K 1 Co., Ltd.
- Address:15f Kfpa Bldg. , 35-4 Yeouido-Dong, Yeongdeungpo-Gu
- gloinbex
- Address:#303 265-230 hong-eun dong seo dae moon ku
- Man Ho Rope Mfg. Co., Ltd.
- Address:1660-11,Songjeong-dong ,Gangseo-gu
- Global alliance Corp
- Address:#612,1187 Chipyeong, Seo,
- High New Technology.Co.,Ltd
- Address:164-98, Annyeong-ri, Taean-eup, Hwaseong-si
- Sm Power Corp.
- Address:407-4, Changsin-dong, Jongno-gu