- Palma Technology Co., Ltd.
- Address:135-156,Daedo-dong ,Nam-gu, Pohang-si
- Fiberpro, Inc.
- Address:59-4,Jang-dong ,Yuseong-gu
- Global Technical Video
- Address:360-3,Yu-ri ,Ipjang-myeon ,Cheonan-si
- CHUNG WOON ENTERPRISES
- Address:RM. 503 Cityvalley, 172 Keumgok-Dong,
- Specs Corp.
- Address:RM705, TECHNOPARK, 148, Yatap-dong ,Bundang-gu, Seongnam-si
- Sung Hoon Co,Ltd
- Address:1-75 Buk-ri,Buk-ri ,Nongong-eup ,Dalseong-gun
- Jingu Scientific Co., Ltd.
- Address:438-1,Topyeong-dong ,Guri-si
- Pim Korea Co.,Ltd
- Address:123-2,Seonhwa-ri ,Jillyang-eup ,Gyeongsan-si
- SAEHAN ENGINEERING CO
- Address:1102-2, NOWONDONG 3GA
- Wooil Industries
- Address:1058-5, Daerim-Dong, Youngdeungpo-Gu
- Samil Industry Co.,Ltd.
- Address:434-12, 44B-12L, Nonhyeon-dong ,Namdong-gu
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