As a leader in civil infrastructure, Lendlease's Engineering business has helped deliver some of Australia’s most significant transport and infrastructure projects. Safety, environmental management and community engagement are at the forefront for client solutions which include services such as development, financing, design and construction.

Lendlease’s recent works include NorthConnex (a JV with Bouygues), Westlink M7, CLEM 7 (Brisbane), Melbourne Metro (Melbourne), Northern Connector (Adelaide), Gateway Upgrade Project and Kingsford Smith Drive (both in Brisbane).

Samsung C&T is a leading global engineering, procurement and construction company, and has delivered significant world class infrastructure projects including road, tunnel, railway, harbour, dam and long span bridge construction. Samsung C&T is currently delivering WestConnex M4 East and WestConnex New M5 in JV with other partners as well as the M4-M5 Link Tunnels in Australia.

Samsung C&T has a track record of tunnelling experience internationally including UAE, Saudi Arabia, Qatar, India, Taiwan, Hong Kong, Korea, UK, Canada and Singapore.

Bouygues Construction Australia is a wholly owned subsidiary of Bouygues Construction S.A, a global player in the civil engineering, building and energy markets. Bouygues Construction has been active in Australia for over 20 years, successfully delivering projects such as the Sydney airport link (T2Airport Line), the Go-Between Bridge in Brisbane and the North Strathfield Rail Underpass.

With over 600 staff, current projects include the NorthConnex motorway tunnel and the new Melbourne Metro, plus a number of solar farms, in NSW and Queensland.