- HEPHZIBAH CO.,LTD.
- Address:1385-15, Juang5-dong
- Albatros Marine Service Ltd.
- Address:501,juno b/d, 592-2, Hadan-dong ,Saha-gu
- Shinil Engineering co.,ltd
- Address:
- Planet System Co., Ltd.
- Address:126-1,Pyeongchon-dong ,Dongan-gu, Anyang-si
- TRI DELTA CO., LT
- Address:Gasan Dong
- Sunil Mecsuring System Co., Ltd.
- Address:5F, Dongwun B/D, 413-4, Dogok-dong, Gangnam-gu
- TCNET
- Address:187-7, Dodang-Dong Wonmi-Gu
- SUNG SHIN M-TECH
- Address:712-15
- New-Gen Power Co.
- Address:719-15,Hakjang-dong ,Sasang-gu
- WP KOREA CO.,LTD.
- Address:#3806, Hyundai 41 tower, 917-9
- BANSUK STC
- Address:I 3-5 Block, Hwajeon-dong, Gangseo-gu
- Kmc Supply Inc.
- Address:Rm601 Dobong Bldg,Jurye 1-dong ,Sasang-gu
- Il-Sung Engineering Co,.LTD (ISEC)
- Address:328 Hwasan-Li, Onsan-Eub, Ulju-Gun
- JK SHOUJI
- Address:414ho IS TOWER, Jaesong-dong 1209
- KET corporation
- Address:420-2 Eo0eum ri Eonyang Eup Uljukun
- KyungNam Precision
- Address:720-17 Hakjang-Dong
- Hyolim Corp.
- Address:RM 308, KAEKYO B/D, 56-4, WONHYORO3-GA, YONGSAN-GU
- SUNGJI INFRA HIGH TECH LIMITED
- Address:68 (# 301) , Yangpyeong-Dong 5Ga
- O-Sung Electric Machinery Co., Ltd.
- Address:111-3, Yeongtae1-ri, Wollong-myeon