| Office of the Official Secretary to the Governor-General | Tree Maintenance | A$25.0K | 2018-04-09 |
| Office of the Official Secretary to the Governor-General | Arborist Services | A$20.0K | 2019-03-14 |
| Office of the Official Secretary to the Governor-General | Essential Tree Works | A$19.8K | 2025-04-29 |
| Office of the Official Secretary to the Governor-General | Tree Works | A$13.8K | 2018-11-14 |
| Office of the Official Secretary to the Governor-General | Tree Works | A$13.0K | 2020-07-17 |
| Office of the Official Secretary to the Governor-General | Tree Works | A$13.0K | 2020-05-19 |
| Office of the Official Secretary to the Governor-General | Tree Works | A$10.0K | 2019-12-23 |
| Office of the Official Secretary to the Governor-General | Tree Maintenance | A$10.0K | 2017-06-01 |