Construction & Infrastructure Trends: Dec 21 - Australia (5 stories)

Here is your Weekly summary for Construction & Infrastructure across Australia for Mon 15th December - Sun 21st December 2025

Parsons has secured a significant position on a $15 billion Air Force construction contract, marking a major win in the defense sector that could enhance its portfolio and revenue streams. This contract underscores the growing demand for infrastructure development in military settings, which is crucial for national security.

In a strategic move, Symal Group is expanding its footprint in South Australia by acquiring an 80% stake in Davison Earthmovers, following recent acquisitions in Queensland. This expansion reflects Symal's aggressive growth strategy and highlights the competitive landscape in the civil contracting sector.

Meanwhile, Lennar's Q4 2025 earnings fell short of expectations, resulting in a stock decline, which raises concerns about the broader housing market's health. In contrast, Korea Zinc is investing $7.4 billion in a new smelter in the U.S., signaling confidence in the metals sector and potential job creation.

Trilogy Metals has announced a $35 million investment program for the Ambler Mining District, indicating a commitment to advancing mining projects that could bolster local economies and contribute to the supply chain for critical minerals.