| Services Australia | Provision of IBM Software, Hardware and Services | A$736.3M | 2026-01-15 |
| Services Australia | Mainframe Lease and Maintenance | A$484.2M | 2023-04-27 |
| Services Australia | ICT Hardware Lease | A$480.7M | 2018-08-08 |
| Department of Defence | Hardware and Software Services | A$286.3M | 2014-06-30 |
| Department of Defence | IBM Whole of Government Arrangement | A$269.5M | 2018-08-15 |
| Department of Defence | Computer Services | A$237.6M | 2025-09-02 |
| Department of Defence | System Integration Services | A$184.0M | 2025-05-24 |
| Department of Home Affairs | IT Services | A$165.0M | 2025-01-09 |