 | National diet |
| Central government offices |
| Judiciary |
| Local government organizations |
| Tokyo |
| Political parties |
| Business organizations |
| Telecommunications, energy |
| Manufacturing industries |
| Finance, securities, insurance |
| Agriculture, forestry, fisheries, food products |
| Trade, commerce |
| Transportation, construction, real estate |
| Educational organizations |
| Universities, etc. |
| Science, technology |
| Disaster prevention |
| Think tanks, research institutes |
| Prefectures, government-designated cities |
| Labour |
| (1) 2 3 » |
