| Abigroup |
| AG Engineering |
| Alfasi Construction |
| Apollo Engeering |
| Aust PT |
| Austral Construction |
| Austress VIC, NSW, QLD |
| Baulderstone |
| BRC Piling |
| Bridgepro Tas. |
| Browns Piling |
| Capital Reo & Stress |
| Caterpillar Australia |
| CBH (Clyde Babcock Hitachi) |
| CCL Ancon |
| Champion Compressors |
| Civil Infrastructure Group |
| Coates Hire |
| CPB-JH JV Australia wide |
| Dana Brevini |
| Doolans Heavy Haulage |
| Dwyidag System International |
| Ellis PT |
| Expanded Post Tensioning |
| Fenco Panels |
| FL Smidth Minerals |
| Form 700 |
| Fortec Australia |
| Freyssinet NSW, ACT, QLD |
| FRH Group |
| Future Generation JV |
| Hi-Force Australia |
| HSV |
| Hollow Core Concrete |
| Humes |
| Interspan NSW, QLD & Victoria |
| Ironside |
| J Simos Steel Fixing |
| John Holland Construction Group |
| Kennards Hire |
| Komatsu Australia |
| L. Auther Equipment Movers |
| Linfox Transport |
| Macchia Group |
| Machinery Movers |
| Marathon Tyres |
| Markscon |
| McMillian Engineering |
| Monodelphous |
| No Limit Works |
| Nth Vic Construction (Precast) |
| Orec Engineering |
| O'Donnald Griffin |
| Pacific National |
| Platinum PT |
| Permacast W.A. |
| Postenco |
| PT Works |
| PTX |
| Qld Prestressing |
| Qld Rail |
| QME Supplies |
| Ramco Precast |
| Re-Car |
| Rock Engineering |
| Rocla Concrete Poles |
| RTS Holdings |
| Salini Impregilo |
| Sensation Yachts |
| Servers Technical |
| SEW Eurodrive |
| Specialised Force Australia |
| Stresscrete |
| Structural Systems |
| Tas Span |
| Terex Jacques Australia |
| Thiess Constructions |
| Transfield |
| TRD Group - NSW |
| Tropi-Cast |
| Viscount Plastics |
| VSL Prestressing Australia |
| Ward Civil & Enviromental Engineering |
| Waugh's Industrial |
| Wessels Drilling |
| Westkon Precast |
| William Adams |
| Winnelli Hydraulics - NT |
| Winslow Plant Hire |
