| Department of Parliamentary Services | Water Treatment Maintenance | A$931.4K | 2023-01-23 |
| Department of Parliamentary Services | Water Systems Maintenance | A$721.4K | 2025-06-27 |
| Department of Parliamentary Services | Provision of Water sampling | A$36.2K | 2013-07-25 |
| Department of Parliamentary Services | Provision of General Water Treatment Services | A$33.2K | 2015-07-17 |
| Department of Parliamentary Services | Water testing and treatment service | A$33.0K | 2023-04-27 |
| Department of Parliamentary Services | Airconditioning Water Testing Services | A$29.0K | 2015-07-17 |
| Department of Parliamentary Services | Water Treatment Services | A$23.2K | 2025-06-27 |
| Department of Parliamentary Services | Provision of Water Sampling | A$18.1K | 2014-09-12 |