Development Projects In Progress And Development Projects In Progress And Structures、浚渫船（純額）、少数株主持分損益調整前四半期純利益
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Structures | 浚渫船（純額） | 少数株主持分損益調整前四半期純利益 |
|---|
| 2008/03 | - | | 17.6億 | | - | |
| 2009/03 | - | | 12.6億 | -28.3% | - | |
| 2010/03 | - | | 10.1億 | -20.1% | - | |
| 2010/06 | - | | - | | 0.76億 | |
| 2010/09 | - | | - | | 6.33億 | +732.9% |
| 2010/12 | - | | - | | 16.1億 | +153.9% |
| 2011/03 | - | | 9.4億 | -6.9% | 21.8億 | +35.4% |
| 2011/06 | - | | - | | 5.9億 | -72.9% |
| 2011/09 | - | | - | | 9.03億 | +53.1% |
| 2011/12 | - | | - | | 4.04億 | -55.3% |
| 2012/03 | - | | 5.4億 | -42.6% | 16.2億 | +301% |
| 2012/06 | - | | - | | 0.7億 | -95.7% |
| 2012/09 | - | | - | | 3.01億 | +330% |
| 2012/12 | - | | - | | 8.15億 | +170.8% |
| 2013/03 | - | | 7.42億 | +37.4% | 20.6億 | +152.1% |
| 2013/06 | - | | - | | 4.72億 | -77% |
| 2013/09 | - | | - | | 16.7億 | +253.4% |
| 2013/12 | - | | - | | 33.9億 | +103.1% |
| 2014/03 | - | | 10.9億 | +46.6% | 38.8億 | +14.6% |
| 2014/06 | - | | - | | -4.21億 | 赤転 |
| 2014/09 | - | | - | | 20.9億 | 黒転 |
| 2014/12 | - | | - | | 42.2億 | +102.2% |
| 2015/03 | - | | 9.35億 | -14.1% | 62.7億 | +48.4% |
| 2016/03 | - | | 7.17億 | -23.3% | - | |
| 2017/03 | - | | 5.87億 | -18.1% | - | |
| 2018/03 | - | | 4.81億 | -18.1% | - | |
| 2019/03 | - | | 4.14億 | -13.9% | - | |
| 2020/03 | - | | 4.17億 | +0.7% | - | |
| 2021/03 | - | | 2.58億 | -38.1% | - | |
| 2022/03 | - | | 9.19億 | +256.2% | - | |
| 2023/03 | - | | 8.82億 | -4% | - | |
| 2024/03 | - | | 6.59億 | -25.3% | - | |
| 2025/03 | - | | 4.55億 | -31% | - | |
