1984 (Showa 59) Assembly of hose parts from Toyoda Gosei Morimachi Factory

Orders received. Established Onishi Processing Co., Ltd.

2001 (Heisei 13) Improve the organization and change the trade name to "Onishi Co., Ltd."

2003 (Heisei 15) Shiro Suzuki is appointed as the representative director.

2010 (Heisei 22) Takashi Yamada became Senior Managing Director.

Decided to invest in Brazil and started field survey.

2010 (2010) Obtained ISO 9001.2008 certification.

2013 (Heisei 25) Masamune Aoki becomes Managing Director.

2013 (Heisei 25) Established GDBR (Capital participation in Toyoda Gosei Co., Ltd.'s expansion into Brazil)

2018 (Heisei 30) ISO 9001.2015 certification renewal (2008 version ⇒ renewal 2015 version)

2021 (2nd year of Reiwa) Until now (TOKYO OLYMPIC YEAR 2020)