| taisei corporationJP:1801 | 3.48T |
| KAJIMA CORPORATIONJP:1812 | 3.42T |
| OBAYASHI CORPORATIONJP:1802 | 2.88T |
| SHIMIZU CORPORATIONJP:1803 | 2.39T |
| KANDENKO CO.,LTD.JP:1942 | 1.33T |
| HASEKO CorporationJP:1808 | 960.4B |
| COMSYS Holdings CorporationJP:1721 | 739.3B |
| Takasago Thermal Engineering Co., Ltd.JP:1969 | 693.1B |
| PENTA-OCEAN CONSTRUCTION CO.,LTD.JP:1893 | 542.4B |
| TODA CORPORATIONJP:1860 | 516.4B |
| HAZAMA ANDO CORPORATIONJP:1719 | 356.6B |
| TOA CORPORATIONJP:1885 | 316.3B |
| Kumagaigumi Co.,Ltd.JP:1861 | 303B |
| Nishimatsu Construction Co., Ltd.JP:1820 | 264.3B |
| OKUMURA CORPORATIONJP:1833 | 260.2B |
| TOTETSU KOGYO CO.,LTD.JP:1835 | 195.3B |
| RAITO KOGYO CO., LTD.JP:1926 | 183.7B |
| TOKYU CONSTRUCTION CO.,LTD.JP:1720 | 166.2B |
| TAKAMATSU CONSTRUCTION GROUPJP:1762 | 129.7B |
| ASANUMA CORPORATIONJP:1852 | 83.9B |
| DAIHO CORPORATIONJP:1822 | 75.7B |
| TEKKEN CORPORATIONJP:1815 | 68.4B |
| FUKUDA CORPORATIONJP:1899 | 67.2B |
| THE ZENITAKA CORPORATIONJP:1811 | 62.3B |
| Fudo Tetra CorporationJP:1813 | 58.9B |
| JDC CORPORATIONJP:1887 | 56.5B |
| NITTOC CONSTRUCTION CO.,LTD.JP:1929 | 55.3B |