Western Sydney Airport

WSA Co. is a new government business enterprise, established by the Australian Government as a company to deliver and operate the Western Sydney Airport project.

The delivery of bulk earthworks and moving more than 1.8 million cubic metres of earth; Construction of a new and realigned Badgerys Creek Road; and A new intersection at Elizabeth Drive, in collaboration with Roads and Maritime Services.

CPB Contractors and Lendlease were equal joint venture partners in the construct-only contract.

Following its expected opening in 2026, Western Sydney Airport will be a major domestic and international aviation gateway for NSW.

Our expertise in aviation and transport is extensive. We have created new and upgraded domestic and international trade and travel networks, as well as generated hundreds of jobs and business opportunities for local communities.

CPB Contractors, with its JV partner, delivered the $400 million in airfield works for Brisbane Airport, the most important Queensland aviation infrastructure for 30 years, increasing the airport’s capacity to half-a-million flights by 2045.

In 2016, CPB Contractors, with its Alliance partners, delivered the award-winning $1 billion Gateway WA Perth Airport and Freight Access Project safely and ahead of schedule, creating a world-class transport network to support the state’s long-term growth.

Latest news and updates View more here 17 August 2026 Piling commences on new Bundaberg Hospital project Piling works have officially commenced on the new Bundaberg Hospital, marking a significant milestone in the delivery of one of Queensland's largest health infrastructure projects. 13 August 2026 Engineering innovation delivering better environmental outcomes in Tasmania At the Ti Tree Bend Sewage Treatment Plant in Launceston, innovation isn’t just about building new sewerage infrastructure - it’s about rethinking how it’s designed, delivered and integrated to achieve better outcomes for Tasmanian communities and environment. 12 August 2026 CPB Contractors welcomes future industry leaders to Cross River Rail CPB Contractors, in partnership with Transport Australia, welcomed more than 50 engineers at the association’s Emerging Leaders Forum in Brisbane last week, providing the next generation of infrastructure professionals with a unique opportunity to hear firsthand about the delivery of Cross River Rail and the lasting legacy it will leave for Queensland. 11 August 2026 Collaboration Delivers Smarter Solutions for Complex Foundation Challenges CPB Contractors Engineering Manager Gerard Quigg and Project Manager Dobu Unugueanu recently presented a technical paper at the 2026 joint conference of the Deep Foundation Institute (DFI) and the piling Foundation Specialists Federation (PFSF) in Sydney, showcasing how collaboration across the CIMIC Group can help solve complex engineering challenges. 09 August 2026 Completion of Western Sydney International Airport's Stage 1 Cargo Works Practical completion has been achieved on Stage 1 Cargo Works at Western Sydney International (Nancy-Bird Walton) Airport (WSI), marking a significant milestone in the delivery of Sydney’s new 24-hour global gateway. 04 August 2026 Building futures through CareerTrackers Remy Ryalls journey CPB Contractors' partnership with CareerTrackers is building capability, confidence and long-term careers for Aboriginal and Torres Strait Islander students. As we celebrate NAIDOC Week and this year's theme, '50 Years of Deadly', we're recognising the next generation of Indigenous professionals helping shape Australia's future. Undergraduate Engineer Remy Ryall is one of those future leaders. 26 July 2026 Powering the Future: Electrification Driving Sustainability on Suburban Rail Loop East Our Suburban Connect team is advancing sustainable construction practices across the Suburban Rail Loop East project through a growing suite of electrification and renewable energy initiatives. 23 July 2026 Powering the Future: Electrification Driving Sustainability on Suburban Rail Loop East Our Suburban Connect team is advancing sustainable construction practices across the Suburban Rail Loop East project through a growing suite of electrification and renewable energy initiatives. 21 July 2026 CIMIC's UGL and CPB Contractors to build Neoen's Narrogin Wind Farm with Envision Energy UGL and CPB Contractors have been selected by Neoen and Envision to construct Neoen’s 179 MW Narrogin Wind Farm in Western Australia, a project that supports the state’s energy transition and growing demand for reliable, lower-emissions power. 17 July 2026 Milestone moment for new Dunedin Hospital Vertical construction is now underway on the New Dunedin Hospital | Project Whakatuputupu Inpatient Building, with the first structural steel installed on Wednesday, marking the start of the inpatient building rising above ground. Next