| 1947-03 |
Founded by Harukichi Yoshino (father of current Chairman Yoshihide Yoshino) in civil engineering business "Yoshino Shoten" (Nagoya City, Aichi Prefecture) |
| 1964-02 |
Yoshihide Yoshino (current Chairman) inherits the business |
| 1974 |
VESTRA was founded in 1974 and mainly develops business in plant dismantling work. |
| 1974-02 |
Established the company mainly for plant dismantling business |
| 1978-01 |
Relocated head office to Nakagawa-ku, Nagoya City |
| 1981-09 |
Relocated head office to Yachimata City, Chiba Prefecture |
| 2002-05 |
Relocated head office to Koto-ku, Tokyo |
| 2004-07 |
Acquired patent "Method for cutting and dismantling large spherical tanks (Apple Peel Method)" |
| 2004-11 |
Acquired specific construction business license (civil engineering work, scaffolding work) (Governor of Tokyo) |
| 2005-09 |
Acquired patent "Dismantling method and device for tower structures" |
| 2007-09 |
Acquired patent "Boiler dismantling method" |
| 2008-11 |
Acquired specific construction business license (building work, steel structure work) (Governor of Tokyo) |
| 2009-05 |
Relocated head office to Sumida-ku, Tokyo |
| 2010-04 |
Developed remote-controlled welding robot "Apple☆Star" capable of implementing the patent "Method for cutting and dismantling large spherical tanks (Apple Peel Method)" |
| 2012-03 |
Acquired specific construction business license (painting work) (Governor of Tokyo) |
| 2013-01 |
Obtained general worker dispatching business license (Minister of Health, Labour and Welfare) and entered the human resources service industry |
| 2013-09 |
Obtained specific construction business license (plumbing work) (Governor of Tokyo) |
| 2013-12 |
Obtained paid employment placement business license (Minister of Health, Labour and Welfare) |
| 2014-02 |
Obtained Privacy Mark certification for personal information protection |
| 2015-04 |
Entered the 3D measurement service industry |
| 2015-09 |
Listed on the Tokyo Stock Exchange Mothers Market |
| 2016-10 |
Obtained specific construction business license (demolition work) (Governor of Tokyo) |
| 2017-01 |
Registered as a surveying business |
| 2017-09 |
Listed on the First Section of the Tokyo Stock Exchange |
| 2018-07 |
Business alliance with Hitachi Plant Construction Co., Ltd. regarding nuclear power plant decommissioning business |
| 2018-08 |
Relocated headquarters to Koto Ward, Tokyo |
| 2018-09 |
Comprehensive business alliance with Daiichi Cutter Kogyo and plant equipment dismantling business |
| 2018-11 |
Obtained specific construction business license (mechanical and equipment installation work) (Governor of Tokyo) |
| 2019-09 |
Capital and business alliance with River Holdings Co., Ltd. for the realization of a highly circular society |
| 2019-12 |
Established a subsidiary, 3D Visual Co., Ltd., engaged in 3D business and plant design business |
| 2020-09 |
Made River Holdings Co., Ltd. an equity-method affiliate |
| 2021-12 |
Acquired all shares of Yazu Corporation and made it a subsidiary |
| 2022-04 |
Transitioned to the Prime Market of the Tokyo Stock Exchange |
| 2022-07 |
Concluded a licensing agreement with Hitachi Power Solutions Co., Ltd. on decommissioning technology for domestic onshore wind power facilities |
| 2022-09 |
Capital and business alliance with Crasso Co., Ltd. |
| 2022-11 |
Obtained a license for specific construction work (Ministry of Land, Infrastructure, Transport and Tourism) |
| 2023-08 |
Odaco Corporation and Token Corporation have become subsidiaries |