- 1916.10
- Established on Utsubonaka-dori in Nishi-ku, Osaka
- 1938.01
- Incorporated as Tsubakimoto Shoten Co., Ltd., with paid-in capital of ¥200,000
- 1943.07
- Name changed to Tsubakimoto Kogyo Co., Ltd.
- 1962.10
- Listed in the Second Section of the Osaka Securities Exchange
- 1963.10
- Listed in the Second Section of the Tokyo Stock Exchange
- 1971.08
- Listings upgraded to the First Sections of the Tokyo Stock Exchange and the Osaka Securities Exchange
- 1989.08
- Convertible bonds denominated in Swiss francs issued (total face value: 50,000,000 Swiss francs)
- 1992.04
- Local subsidiary Tsubaco Singapore established
- 1996.01
- Local subsidiary Tsubaco KTE (Thailand) established
- 1998.04
- System of dual regional headquarters (Osaka and Tokyo) implemented
- 1999.04
- Local subsidiary Tsubaco Korea established
- 2000.07
- Head Office and Osaka Headquarters moved to 3-3-20 Umeda, Kita-ku, Osaka
- 2002.05
- Local subsidiary Tsubaco Hong Kong established
- 2003.05
- Tokyo Headquarters moved to 2-16-2 Konan, Minato-ku, Tokyo
- 2006.01
- Local subsidiary Shanghai Tsubaco Co., Ltd., established
- 2011.09
- Local subsidiary PT. TSUBACO INDONESIA established
- 2016.10
- Celebrated the 100th anniversary of its founding
- 2019.10
- Local subsidiary Tsubaco Vietnam Co., Ltd. established