Guide to CPB Contractors and their major projects

CPB Tunnel Work

Image via CPB Contractors

CPB Contractors is the largest and most prominent construction contracting company in Australia, with projects covering roads, rail, tunnelling, defence, building, resources infrastructure, and more.

CPB Contractors, an Australasian contracting company owned by the CIMIC Group, have operations spanning Australia, New Zealand, Asia, India and Papua New Guinea. CPB, formerly known as Leighton Contractors, represents CIMIC's core contracting business.

The tier 1 contractor and builder, while draped in history, came to fruition through the merger of two CIMIC businesses, Leighton Contractors and Thiess Construction (separate to Thiess), in January 2016.

A recent highlight has been CPB's involvement in the mega $33.7 billion Sydney Metro project, which includes work on a 1km tunnel stretch under the Sydney Harbour and twin 15.5km railway tunnels running from Chatswood to Sydenham. 

Additionally, CPB has undertaken contracts on prominent projects like Western Sydney Airport, Melbourne's Metro Tunnel, the $4.5b South Flank Mine, WestConnex New M5,  Brisbane Airport, Canberra Light Rail, Bruce Highway Upgrade, Gold Coast Light Rail, Melbourne Airport, Mackay Ring Road, and Gunyama Park, just to name a few. 

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CPB Contractors in Australia


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