| Australian Maritime Safety Authority | Provision of High Frequency Radio Communications Network and Services | A$34.9M | 2023-03-24 |
| Australian Maritime Safety Authority | Provision of Safety of Life at Sea / Global Maritime Distress and Safety System Communicat | A$26.7M | 2021-07-08 |
| Bureau of Meteorology | High Frequency (HF) Marine Communications Service | A$13.4M | 2022-06-14 |
| Bureau of Meteorology | High Frequency Marine Radio Services | A$8.7M | 2014-12-16 |
| Australian Maritime Safety Authority | Aids to Navigation Technical Support and Logistics Services | A$4.2M | 2025-08-18 |
| Bureau of Meteorology | High Frequency Radio Services | A$3.4M | 2018-10-09 |
| Bureau of Meteorology | HF RADIO TO SHIPS (Jan-Dec 2014) | A$3.4M | 2023-04-27 |
| Bureau of Meteorology | High Frequency Radio Services | A$2.9M | 2023-04-27 |