Leighton Holdings was a major Australian engineering, construction, and project development company known for delivering large-scale infrastructure, mining, and energy projects across Asia and Australia. The company built a strong reputation for managing complex projects in sectors such as transportation, resources, telecommunications, and civil infrastructure.
Today, the legacy of Leighton continues through its successor organization, CIMIC Group, which carries forward its expertise in engineering, construction, mining, and public-private partnership projects worldwide.