- OTECH CO LTD
- Address:323-1, Ainoyacho
- SANWA INDUSTRY CO.,LTD
- Address:680-16 Ooaza-suetakeshimo,
- MIKUNI SEIKYO CO LTD
- Address:1-5-26, Syariji, Ikuno-ku
- KOSEI PLANT CO LTD
- Address:2757, Omisaki-bo, Ariake-cho,
- NAGAISEIKI CO LTD
- Address:561-23, Kamitoyooka
- TAKAHIRO ENGINEERING WORKS LTD
- Address:6-1 Shioya-cho, Minami-ku,
- MSA FACTORY CO.,LTD
- Address:404, 1-20-2, Honmachi,
- SANKEI HIGH-PRECISION CO LTD
- Address:2-3-4, Uriwariminami, Hirano-ku
- YOWA IRONWORK CO LTD
- Address:523, Sugita,
- NISIKAWA MANUFACTURING CO LTD
- Address:3-1532, Ishikishinmachi, Nakagawa-ku
- SHINKOSHA CO LTD
- Address:42-2, Hebu, Shirouma-cho,
- KASAI SEIKI MFG. CO LTD
- Address:4720, OazaNakasu
- FLOBAL CORPORATION
- Address:6th Floor, Osaka YM Bldg 7-15-26
- NISINO SEIKI Co,.LTD
- Address:56 Yamazaki
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