| Company Code | Company Name | |
| 1883 |
MAEDA ROAD CONSTRUCTION Co., Ltd. |
Construction | TSE1 | Tokyo | Official Site |
| 1884 |
The Nippon Road Co., Ltd. |
Construction | TSE1 | Tokyo | Official Site |
| 1885 |
TOA CORPORATION |
Construction | TSE1, SSE (Sapporo) | Tokyo | Official Site |
| 1888 |
Wakachiku Kensetsu |
Construction | TSE1 | Tokyo | Official Site |
| 1890 |
TOYO CONSTRUCTION CO., LTD. |
Construction | TSE1, OSE1 | Tokyo | Official Site |
| 1892 |
TOKURA CONSTRUCTION CO., LTD. |
Construction | NSE2 | Aichi | Official Site |
| 1893 |
Penta-Ocean Construction Co., Ltd. |
Construction | TSE1, NSE1 | Tokyo | Official Site |
| 1896 |
OBAYASHI ROAD CORPORATION |
Construction | TSE1 | Tokyo | Official Site |
| 1897 |
The Kaneshita Construction Co., Ltd. |
Construction | OSE2 | Kyoto | Official Site |
| 1898 |
Seikitokyukogyo |
Construction | TSE1 | Tokyo | Official Site |
| 1899 |
Fukuda Corporation |
Construction | TSE1 | Niigata | Official Site |
| 1904 |
TAISEI ONCHO CO., LTD. |
Construction | JASDAQ Standard | Tokyo | Official Site |
| 1905 |
Tenox Corporation |
Construction | JASDAQ Standard | Tokyo | Official Site |
| 1906 |
HOSODA Co., Ltd. |
Construction | JASDAQ Standard | Tokyo | Official Site |
| 1911 |
Sumitomo Forestry Co., Ltd. |
Construction | TSE1, OSE1 | Tokyo | Official Site |
| 1914 |
JAPAN FOUNDATION ENGINEERING CO., LTD. |
Construction | TSE1, OSE1 | Osaka | Official Site |
| 1916 |
Nissei Build Cogyo Co., Ltd. |
Construction | TSE1 | Ishikawa | Official Site |
| 1919 |
SxL Co., Ltd. |
Construction | TSE1 | Osaka | Official Site |
| 1921 |
TOMOE Corporation |
Construction | TSE1, SSE (Sapporo) | Tokyo | Official Site |
| 1924 |
Pana Home |
Construction | TSE1, OSE1 | Osaka | Official Site |