| Company Code | Company Name | |
| 1881 |
Nippo Corporation |
Construction | TSE1, SSE (Sapporo) | Tokyo | Official Site |
| 1882 |
TOA ROAD CORPORATION |
Construction | TSE1 | Tokyo | Official Site |
| 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 |
| 1893 |
Penta-Ocean Construction Co., Ltd. |
Construction | TSE1, NSE1 | Tokyo | Official Site |
| 1896 |
OBAYASHI ROAD CORPORATION |
Construction | TSE1 | Tokyo | Official Site |
| 1898 |
Seikitokyukogyo |
Construction | TSE1 | Tokyo | 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 |
| 1909 |
Nippon Dry-Chemical (NDC) |
Machinery | TSE2 | Tokyo | Official Site |
| 1911 |
Sumitomo Forestry Co., Ltd. |
Construction | TSE1, OSE1 | Tokyo | Official Site |
| 1921 |
TOMOE Corporation |
Construction | TSE1, SSE (Sapporo) | Tokyo | Official Site |
| 1926 |
RAITO KOGYO CO., LTD. |
Construction | TSE1 | Tokyo | Official Site |
| 1929 |
Nittoc Construction Co., Ltd. |
Construction | TSE1 | Tokyo | Official Site |
| 1938 |
NIPPON RIETEC Co., Ltd. |
Construction | TSE2 | Tokyo | Official Site |
| 1942 |
Kandenko |
Construction | TSE1 | Tokyo | Official Site |