| 1996-11-01 |
Daisei Corporation's engineering division was spun off and established as Daisei Plant Corporation. |
| 1996-11-01 |
Daisei Corporation's engineering division was spun off and established as Daisei Plant Corporation. |
| 1999 |
|
| 1999 |
Renamed to Daisei Environmental Engineering Co., Ltd. |
| 2004 |
Completion of Nagoya Recycling Center. Completion of Yokohama Recycling Center (now Yokohama Namamugi Recycling Center). Listed on the Tokyo Stock Exchange Mothers. |
| 2004 |
Renamed to Daisei Environmental Solutions Inc. |
| 2004 |
Nagoya Recycling Center Completed |
| 2004 |
Yokohama Recycling Center (Current Yokohama Namamugi Recycling Center) Completed |
| 2004 |
Listed on the Tokyo Stock Exchange Mothers Market |
| 2006 |
|
| 2006 |
Obtained ISO 14001 Certification |
| 2007 |
|
| 2007 |
Osaka Recycling Center Completed |
| 2008 |
Established Green Arrows Chubu Co., Ltd. (now a consolidated subsidiary) in Tokai City, Aichi Prefecture. |
| 2008 |
Designated on the First Section of the Tokyo Stock Exchange, Listed on the First Section of the Nagoya Stock Exchange |
| 2008 |
Established Green Arrows Chubu Co., Ltd. (Current Consolidated Subsidiary) in Tokai City, Aichi Prefecture |
| 2010 |
|
| 2010 |
Opened Kyushu Branch (Current Kyushu Sales Office) |
| 2011 |
|
| 2011 |
Opened Tohoku Branch (Current Tohoku Sales Office) |
| 2012 |
|
| 2012 |
Started manufacturing and sales of Biodiesel Fuel (BDF) |
| 2013 |
|
| 2013 |
Established Green Arrows Kyushu Co., Ltd. |
| 2015 |
Opened a dedicated facility for low-concentration PCB waste. |
| 2015 |
Open Nagoya Transshipment Center for Low-Concentration PCB Waste |
| 2016 |
|
| 2016 |
Opened Nagoya Office |
| 2017 |
|
| 2017 |
Yamato Recycling Center Completed |
| 2018 |
Merged Nagato Office and PCB Office and relocated headquarters. |
| 2018 |
Relocated Headquarters to Mizuho Ward, Nagoya City, Aichi Prefecture (Integrated Nagoya Office and PCB Office) |
| 2018 |
Yokohama Ebisu Recycling Center Completed |
| 2019 |
|
| 2019 |
Gifu Recycling Center Completed |
| 2023 |
Acquired shares of Sugimoto Trading Co., Ltd. and made it a subsidiary. Changed to the Tokyo Stock Exchange Standard Market. |
| 2023 |
Acquired shares of Sugimoto Trading Co., Ltd. and made it a subsidiary |
| 2023 |
Established West Osaka Sales Office (Current Osaka Sales Office) |
| 2023 |
Changed to the TSE Standard Market |
| 2025 |
Relocated Kansai branch to Nishi-ku, Osaka City, Osaka Prefecture. Green Arrows Chubu Co., Ltd. opened Shizuoka Factory. Delisted from the Tokyo Stock Exchange Standard and Nagoya Stock Exchange Premier Market due to full subsidiary status. |
| 2025 |
Relocation of Kansai Branch to Nishi-ku, Osaka City, Osaka Prefecture |
| 2025 |
Renaming to Osaka Sales Office due to relocation of West Osaka Sales Office to Taisho-ku, Osaka City, Osaka Prefecture |
| 2025 |
Green Arrows Co., Ltd. Chubu opens Shizuoka Factory |
| 2025 |
Delisting from the Tokyo Stock Exchange Standard Market and Nagoya Stock Exchange Premier Market following the full acquisition of our company by Daiseki Co., Ltd. |
| 2026 |
|
| 2026 |
Capital reduced to 300 million yen |