| KAJIMA CORPORATIONJP:1812 | 2.99T |
| taisei corporationJP:1801 | 2.6T |
| OBAYASHI CORPORATIONJP:1802 | 2.39T |
| SHIMIZU CORPORATIONJP:1803 | 1.9T |
| KANDENKO CO.,LTD.JP:1942 | 1.32T |
| HASEKO CorporationJP:1808 | 805.1B |
| COMSYS Holdings CorporationJP:1721 | 704.6B |
| Takasago Thermal Engineering Co., Ltd.JP:1969 | 599.1B |
| PENTA-OCEAN CONSTRUCTION CO.,LTD.JP:1893 | 510.4B |
| TODA CORPORATIONJP:1860 | 469.1B |
| HAZAMA ANDO CORPORATIONJP:1719 | 316.5B |
| Kumagaigumi Co.,Ltd.JP:1861 | 250B |
| Nishimatsu Construction Co., Ltd.JP:1820 | 229B |
| TOA CORPORATIONJP:1885 | 216.4B |
| OKUMURA CORPORATIONJP:1833 | 215.4B |
| RAITO KOGYO CO., LTD.JP:1926 | 181.4B |
| TOTETSU KOGYO CO.,LTD.JP:1835 | 157B |
| TOKYU CONSTRUCTION CO.,LTD.JP:1720 | 127.8B |
| TAKAMATSU CONSTRUCTION GROUPJP:1762 | 123.3B |
| TEKKEN CORPORATIONJP:1815 | 69.2B |
| FUKUDA CORPORATIONJP:1899 | 69B |
| DAIHO CORPORATIONJP:1822 | 67.5B |
| ASANUMA CORPORATIONJP:1852 | 64.9B |
| THE ZENITAKA CORPORATIONJP:1811 | 57.6B |
| JDC CORPORATIONJP:1887 | 49.2B |
| NITTOC CONSTRUCTION CO.,LTD.JP:1929 | 46.3B |
| Fudo Tetra CorporationJP:1813 | 46.2B |