| Great Barrier Reef Marine Park Authority | Quarantine Building Works | A$390.7K | 2019-03-04 |
| Great Barrier Reef Marine Park Authority | Citibuild Reef HQ Rectification Works to Fire Stairs 5 and 6 | A$188.8K | 2018-04-03 |
| Great Barrier Reef Marine Park Authority | Citibuild Reef HQ Rectification Works to Fire Stairs 5 and 6 | A$185.8K | 2018-01-03 |
| Great Barrier Reef Marine Park Authority | Southern Wall Repairs | A$75.0K | 2019-12-18 |
| Great Barrier Reef Marine Park Authority | INSTALL REEF HQ WORKSHOP MEZZANINE | A$56.0K | 2020-10-01 |
| Great Barrier Reef Marine Park Authority | INSTALL REEF HQ WORKSHOP MEZZANINE | A$56.0K | 2020-06-04 |
| Great Barrier Reef Marine Park Authority | Citibuild Bulk PO | A$50.0K | 2019-07-02 |
| Great Barrier Reef Marine Park Authority | Citibuild Bulk PO | A$40.0K | 2018-11-02 |