• ACT Government

  • Air Services Australia

  • AMES

  • Alstom Power

  • Ansaldo STS

  • Aurora Projects

  • Ausgrid

  • Australian Rail Track Corporation

  • Austrian Energy & Environment

  • Blue Circle Southern Cement

  • Boral

  • Currie & Brown

  • Department of Defence

  • GHD

  • Hunter Water Corporation

  • JCY Architects

  • JW Prince

  • Laing O’Rourke Australia

  • Land Development Agency

  • New Hope Coal

  • O’Donnel Griffin

  • Olex Cables

  • Oil Search

  • Parsons Brinckerhoff

  • Patrick Terminals

  • Penrith Lakes Development Corporation

  • Qantas

  • Queensland Rail

  • Richard Crookes Construction

  • Road Traffic Authority

  • RoadTek

  • State Water Corporation

  • Sydney Ports Corporation

  • Thinc Projects

  • Tracey Brunston and Hammond

  • Transgrid

  • United Group Services

  • Village Building Company