| KAJIMA CORPORATIONJP:1812 | 3.47T |
| taisei corporationJP:1801 | 3.4T |
| OBAYASHI CORPORATIONJP:1802 | 2.95T |
| SHIMIZU CORPORATIONJP:1803 | 2.4T |
| KANDENKO CO.,LTD.JP:1942 | 1.35T |
| HASEKO CorporationJP:1808 | 962.8B |
| COMSYS Holdings CorporationJP:1721 | 719.5B |
| Takasago Thermal Engineering Co., Ltd.JP:1969 | 712.2B |
| PENTA-OCEAN CONSTRUCTION CO.,LTD.JP:1893 | 544.1B |
| TODA CORPORATIONJP:1860 | 520.9B |
| HAZAMA ANDO CORPORATIONJP:1719 | 359.9B |
| TOA CORPORATIONJP:1885 | 323.3B |
| Kumagaigumi Co.,Ltd.JP:1861 | 303B |
| OKUMURA CORPORATIONJP:1833 | 267.2B |
| Nishimatsu Construction Co., Ltd.JP:1820 | 265B |
| TOTETSU KOGYO CO.,LTD.JP:1835 | 198.2B |
| RAITO KOGYO CO., LTD.JP:1926 | 186.2B |
| TOKYU CONSTRUCTION CO.,LTD.JP:1720 | 168.7B |
| TAKAMATSU CONSTRUCTION GROUPJP:1762 | 132.8B |
| ASANUMA CORPORATIONJP:1852 | 85.6B |
| DAIHO CORPORATIONJP:1822 | 77.6B |
| TEKKEN CORPORATIONJP:1815 | 69.9B |
| FUKUDA CORPORATIONJP:1899 | 68.6B |
| THE ZENITAKA CORPORATIONJP:1811 | 67.4B |
| Fudo Tetra CorporationJP:1813 | 60.4B |
| JDC CORPORATIONJP:1887 | 58.6B |
| NITTOC CONSTRUCTION CO.,LTD.JP:1929 | 56.5B |