| KAJIMA CORPORATIONJP:1812 | 2.51T |
| OBAYASHI CORPORATIONJP:1802 | 2.03T |
| taisei corporationJP:1801 | 2.02T |
| SHIMIZU CORPORATIONJP:1803 | 1.67T |
| KANDENKO CO.,LTD.JP:1942 | 1.1T |
| HASEKO CorporationJP:1808 | 835.5B |
| COMSYS Holdings CorporationJP:1721 | 620.3B |
| Takasago Thermal Engineering Co., Ltd.JP:1969 | 592.8B |
| TODA CORPORATIONJP:1860 | 474.8B |
| PENTA-OCEAN CONSTRUCTION CO.,LTD.JP:1893 | 410B |
| HAZAMA ANDO CORPORATIONJP:1719 | 341.9B |
| Nishimatsu Construction Co., Ltd.JP:1820 | 229.2B |
| Kumagaigumi Co.,Ltd.JP:1861 | 222.8B |
| OKUMURA CORPORATIONJP:1833 | 221.6B |
| TOA CORPORATIONJP:1885 | 180.8B |
| RAITO KOGYO CO., LTD.JP:1926 | 160.3B |
| TOTETSU KOGYO CO.,LTD.JP:1835 | 142.6B |
| TAKAMATSU CONSTRUCTION GROUPJP:1762 | 139.3B |
| TOKYU CONSTRUCTION CO.,LTD.JP:1720 | 122B |
| FUKUDA CORPORATIONJP:1899 | 85.8B |
| ASANUMA CORPORATIONJP:1852 | 75.4B |
| DAIHO CORPORATIONJP:1822 | 73B |
| TEKKEN CORPORATIONJP:1815 | 65.2B |
| THE ZENITAKA CORPORATIONJP:1811 | 57.9B |
| NITTOC CONSTRUCTION CO.,LTD.JP:1929 | 49B |
| JDC CORPORATIONJP:1887 | 48.9B |
| Fudo Tetra CorporationJP:1813 | 46.5B |