| 1947-01 |
Established Takida no Gumi Co., Ltd. in Osaka City in January 1947 with construction business as the main purpose |
| 1947-01 |
Established Takida no Gumi Co., Ltd. in Osaka City in January 1947 with construction business as the main purpose |
| 1947-01-28 |
Founded: January 28, 1947 |
| 1947-01-28 |
Founded |
| 1949-09 |
Registered as a construction business operator under the Construction Business Act in September 1949 |
| 1949-09 |
Registered as a construction business operator under the Construction Business Act |
| 1956-11 |
Changed the trade name to Fudo Construction Co., Ltd. in November 1956 |
| 1956-11 |
Changed the trade name to Fudo Construction Co., Ltd. |
| 1958-12 |
Opened Tokyo Head Office in December 1958 |
| 1958-12 |
Opened Tokyo Head Office |
| 1961-05 |
Established Tetra Corporation in May 1961 in Chuo-ku, Tokyo, for manufacturing, sales, design, and construction of Tetra Pods |
| 1961-05 |
Founded Tetra Corporation in Tokyo |
| 1961-06 |
Registered as a construction business operator under the Construction Business Act in June 1961 |
| 1961-08 |
Listed shares on the Osaka First Section Market in August 1961 |
| 1961-08 |
Listed shares on the Osaka First Section Market |
| 1961-10 |
Listed shares on the Osaka Securities Exchange Second Section in October 1961 |
| 1961-10 |
Listed shares on the Osaka Securities Exchange Second Section |
| 1962-05 |
Listed shares on the Tokyo Stock Exchange Second Section in May 1962 |
| 1962-05 |
Listed shares on the Tokyo Stock Exchange Second Section |
| 1962-12 |
Established Nagoya Branch (now Chubu Branch) in December 1962 |
| 1962-12 |
Established Nagoya Branch (now Chubu Branch) |
| 1964-07 |
Established Kyushu Branch in July 1964 |
| 1964-07 |
Established Kyushu Branch |
| 1966-03 |
Relocated head office to Minato-ku, Tokyo in March 1966 |
| 1966-03 |
Relocated head office to Minato-ku, Tokyo |
| 1967-02 |
Stocks designated to the First Section of various exchanges in February 1967 |
| 1969-05 |
Established Tsuchiura Technical Center (now General Technical Research Institute) in Tsuchiura, Ibaraki in May 1969 |
| 1969-05 |
Established Tsuchiura Technical Center in Tsuchiura, Ibaraki |
| 1970-10 |
Opened Osaka Head Office in October 1970 |
| 1971-06 |
Established Fudo Kenken Co., Ltd. (now Kenken Co., Ltd.) in June 1971 |
| 1972-07 |
Merged with Shuto Printing and Binding Co., Ltd. in Koto-ku, Tokyo, in July 1972 to change trade name to Japan Tetra Pod Co., Ltd. |
| 1972-07 |
Merged with Shuto Printing and Binding Co., Ltd. to change trade name to Japan Tetra Pod Co., Ltd. |
| 1972-11 |
Listed shares on the Tokyo Stock Exchange Second Section in November 1972 |
| 1972-11 |
Listed shares on the Tokyo Stock Exchange Second Section |
| 1976-07 |
Established Fudo Heavy Machinery Co., Ltd. (now Soil Technica Co., Ltd.) in July 1976 |
| 1981-07 |
Moved head office to Shinjuku-ku, Tokyo in July 1981 |
| 1981-07 |
Moved head office to Shinjuku-ku, Tokyo |
| 1988-12 |
Changed fiscal year from September 30 to March 31 in December 1988 |
| 1993-04 |
Established Tetra Trading Co., Ltd. (now Welfare Trading Co., Ltd.) in April 1993 |
| 1993-04 |
Established Tetra Trading Co., Ltd. |
| 1993-09 |
Transferred to the First Section of the Tokyo Stock Exchange in September 1993 |
| 1993-09 |
Transferred to the First Section of the Tokyo Stock Exchange |
| 1995-10 |
Changed trade name to Tetra Corporation in October 1995 |
| 1995-10 |
Changed trade name to Tetra Corporation |
| 1999-10 |
Established Takahashi Akiwa Construction Co., Ltd. (now Takahashi Akiwa Construction Co., Ltd.) in October 1999 |
| 1999-10 |
Established Takahashi Akiwa Construction Co., Ltd. |
| 2003-07 |
Moved head office to Minato-ku, Tokyo in July 2003 |
| 2003-07 |
Relocated head office to Minato-ku, Tokyo |
| 2004-03 |
Transferred construction business to Nakano Fudo Construction Co., Ltd. in March 2004 |
| 2004-03 |
Transferred all shares of Fudo Kenken Co., Ltd. (now Kenken Co., Ltd.) to Phoenix Capital Co., Ltd. and Tetra Corporation subscribed to third-party allotment in March 2004 |
| 2004-03 |
Transferred all shares of Fudo Construction Co., Ltd. to Phoenix Capital Co., Ltd. and made it a subsidiary in March 2004 |
| 2004-03 |
Transferred shares of Fudo Construction Co., Ltd. to Phoenix Capital Co., Ltd. and made it a subsidiary |
| 2004-03 |
Acquired all shares of Mitsuhashi Co., Ltd. and made it a subsidiary |
| 2005-01 |
Acquired all shares of Mitsuhashi Co., Ltd. in January 2005 and made it a subsidiary |
| 2005-02 |
Established Fudo Construction Inc. in California, USA in February 2005 |
| 2005-02 |
Established Fudo Construction Inc. in California, USA |
| 2006-09 |
Acquired all shares of Toa Civil Engineering Co., Ltd. in September 2006 and made it a subsidiary |
| 2006-10 |
Changed trade name to Fudo Tetra |
| 2011-07 |
Moved head office to Chuo-ku, Tokyo in July 2011 |
| 2011-07 |
Relocated head office from Osaka to Chuo-ku, Tokyo |
| 2011-08 |
Discontinued listing on the Osaka Securities Exchange in August 2011 |
| 2011-08 |
Discontinued listing on Osaka Securities Exchange |
| 2018-04 |
Merged with Tohai Civil Engineering Co., Ltd., a subsidiary, in April 2018 |
| 2018-04 |
Merged with Tohai Civil Engineering Co., Ltd. |
| 2020-10 |
Acquired all shares of Aichi Base Industry Group and made it a subsidiary in October 2020 |
| 2020-10 |
Acquired all shares of Aichi Base Industry Group |
