John Holland, established in 1949, is one of Australia's leading infrastructure and property development companies. Headquartered in Melbourne, Victoria, John Holland employs over 5,000 staff nationwide. The company is well-regarded for its commitment to delivering complex and large-scale infrastructure projects, including tunnels, railways, airports, and buildings. As of the fiscal year ending 2022, the company reported an annual revenue of AUD $5.2 billion.