| KAJIMA CORPORATIONJP:1812 | 3.75T |
| taisei corporationJP:1801 | 3.44T |
| OBAYASHI CORPORATIONJP:1802 | 3T |
| SHIMIZU CORPORATIONJP:1803 | 2.47T |
| KANDENKO CO.,LTD.JP:1942 | 1.37T |
| HASEKO CorporationJP:1808 | 984.5B |
| COMSYS Holdings CorporationJP:1721 | 735.2B |
| Takasago Thermal Engineering Co., Ltd.JP:1969 | 701.6B |
| PENTA-OCEAN CONSTRUCTION CO.,LTD.JP:1893 | 584.2B |
| TODA CORPORATIONJP:1860 | 493.2B |
| HAZAMA ANDO CORPORATIONJP:1719 | 382.3B |
| TOA CORPORATIONJP:1885 | 358.1B |
| Kumagaigumi Co.,Ltd.JP:1861 | 342.8B |
| Nishimatsu Construction Co., Ltd.JP:1820 | 276.3B |
| OKUMURA CORPORATIONJP:1833 | 272.6B |
| RAITO KOGYO CO., LTD.JP:1926 | 185.5B |
| TOTETSU KOGYO CO.,LTD.JP:1835 | 184.8B |
| TOKYU CONSTRUCTION CO.,LTD.JP:1720 | 165.9B |
| TAKAMATSU CONSTRUCTION GROUPJP:1762 | 137B |
| ASANUMA CORPORATIONJP:1852 | 91.7B |
| DAIHO CORPORATIONJP:1822 | 78.4B |
| TEKKEN CORPORATIONJP:1815 | 70.5B |
| THE ZENITAKA CORPORATIONJP:1811 | 67.5B |
| FUKUDA CORPORATIONJP:1899 | 66.2B |
| Fudo Tetra CorporationJP:1813 | 62.5B |
| JDC CORPORATIONJP:1887 | 59.9B |
| NITTOC CONSTRUCTION CO.,LTD.JP:1929 | 58.1B |