- Water Corporation
- Monadelphous
- CSIRO
- Brookfield-Multiplex
- Brookfield Rail
- Doric Group
- Apache Energy
- Fortescue Metals Group
- Atlas Copco
- Sandvik
- BHP-Billiton
- Rio Tinto
- Barminco
- Downer Mining
- Jubilee Resources
- Mincor Resources
- KPMG
- Master Builders Association
- Barrick Gold
- Strike Energy
- Cliffs Natural Resources
- Thiess
- HWE Mining
- EMECO Group
- Transfield Services
- Decmil Group Limited
- Linfox
- Phoenix Environmental Sciences
- ATCO Gas
- Southern Cross Electrical Engineering
