In addition to the Treasury, a large number of other government agencies are involved in planning, implementing and advising on infrastructure.
| Area | Ministerial/Departmental Policy Lead | Implementation Agency |
|---|---|---|
| Cross Sector | The Treasury, Ministry of Business, Innovation and Employment | |
| Transport | Ministry of Transport | |
| Rail | Ministry of Transport, Treasury | |
| Telecommunications | Ministry of Business, Innovation and Employment | |
| Energy | Ministry of Business, Innovation and Employment | |
| Water | Ministry for the Environment, Ministry of Health, Department of Internal Affairs | |
| Corrections | Department of Corrections | |
| Schools | Ministry of Education | |
| Health | Ministry of Health | |
| Tertiary Education | Ministry of Education | |
| Housing | Ministry of Housing and Urban Development | |
| Defence | Ministry of Defence |