Affiliated Companies

Provides drinking water and wastewater services to more than four million people in Sydney, Illawarra and the Blue Mountains.

The Westfield Group is the largest retail property group in the world by equity market capitalisation and the eighth-largest entity listed on the Australian Stock Exchange. It has investment interests in 119 shopping centres in four countries, with a total value in excess of A$62.6 billion. Westfield prides itself on a strong commitment to the community, unparalleled customer service and quality retail.

CIMIC provides construction, mining, mineral processing, engineering, concessions, and operation and maintenance services to the infrastructure, resources and property markets. It operates in more than 20 countries

The Institution of Engineers Australia, often shortened to IEAust and/or trading as Engineers Australia, is a professional body and not-for-profit organisation dedicated to being the national forum for the advancement of the engineering field within Australia.