- S.I.C.L Co.,Ltd
- Address:1004, ANAM TOWER BLDG. , 702-10, YOUKSAM 1-DONG, KANGNAM-GU
- Hana Corporation Co., Ltd.
- Address:Jowon-dong,Jowon-dong ,Jangan-gu, Suwon-si
- NKTech
- Address:
- dong sung machinery co.
- Address:# 13 wolgye-dong
- ENK.co.kr.
- Address:1172 Jisa-dong Gangseo-gu
- Praxair Supface Technologies Co.,Ltd.
- Address:743,Baekseok-dong ,Cheonan-si
- Korea Corp Co., Ltd.
- Address:131-1 Janggi-dong, Dalseo-gu
- Trans-Korea Corporation
- Address:2nd FL, Sinjeong 2-dong, Yangcheon-gu
- Amado Corporation
- Address:2f, Namjang Bldg,224-23, Jayang-dong, Kwangjin-ku
- MLC co.,ltd
- Address:1172 Jisa-Dong Gangseo-Gu
- M&J NETWORKS CO LTD
- Address:SK Richemble# 802, Hap-dong 116,
- Korea Printing Ink (Korink)
- Address:1902, Samho-B, Yangjae, Seocho-Gu
- SECO
- Address:Yeonjae-Gu, Yeonsan-Dong, Yeonsan 1
- SEBOK CO.,LTD
- Address:119-1 Waryongdong Jongroku
- Hansuk petrochemicals
- Address:319, Sihwa industrial complex 3ma, Jeongwang1-dong
- KYOJIN
- Address:No806 Hyosung Olympic County 51-4 Bangi-dong Songpa-gu
- Sangjin Airbag Co.,Ltd
- Address:35, Seondong-Ri, Chowol-Myeon
- Eco Dream Asia
- Address:# 903, 12cha Daeryung Techno Town, 327-32 Gasan-dong, Geumcheon-gu
- Woolim Co., Ltd.
- Address:310-26,Majeon-ri ,Yeonmu-eup ,Nonsan-si
- yestop
- Address: