CIMIC Group is a construction company and the contract miner. Co. provides construction, mining, engineering, public-private partnerships (PPP), and operation and maintenance services to the infrastructure, resources and property markets. Co. comprises the following main segments: construction, contract mining, PPP, engineering, Habtoor Leighton Group, and commercial and residential. Co. delivers its services through several companies: CPB Contractors Pty Ltd, Leighton Asia Limited, Thiess Pty Ltd, Pacific Partnerships, and EIC Activities Pty Ltd. Co. operates across the Australia Pacific, Asia, Middle East and Americas regions in the infrastructure, resources and property markets.

Cochlear is a for-profit entity and operates in the implantable hearing device industry. Co.'s implant systems comprise an implant which is inserted during surgery and an external sound processor. As of June 30 2016, Co. sold in over 100 countries and had a direct presence in approximately 20 countries and used distributors and agents in other areas. Manufacturing for the cochlear implant product range is based in Australia. The bone conduction implant product range is manufactured in Sweden. Co.'s supply chain operates with product being distributed from its manufacturing sites in Australia and Sweden to its regional distribution centres in the U.S., the U.K. and Panama.

Commonwealth Bank of Australia provides integrated financial services including retail, business and institutional banking, funds management, superannuation, life insurance, general insurance, broking services and finance company activities. Co. operates in seven segments, Retail banking Services, Business and Private Banking, Institutional Banking and Markets, Wealth Management, New Zealand, Bankwest, as well as International Financial Services and Other Divisions. As of June 30 2016, Co. had total assets of A$933.1 million and total deposits of A$588.0 million.

CSL is engaged in the research, development, manufacture, marketing and distribution of biopharmaceutical and allied products. Co.'s operations are divided into three segments: CSL Behring, Seqirus, and CSL Intellectual Property. CSL Behring is engaged in manufacturing, marketing and developing plasma therapies (plasma products and recombinants). Seqirus is engaged in manufacturing and distributing non-plasma biotherapeutic products. CSL Intellectual Property is engaged in the licensing of intellectual property of Co. to unrelated third parties. Co. operates primarily in five specific geographic areas, namely Australia, the U.S., Germany, Switzerland, and the U.K.

CSR is engaged in the manufacture and supply of building products in Australia and New Zealand. Co. operates in four segments, Building Products, Glass, Aluminium and Property. The Building Products segment consists of Lightweight Systems, Insulation, AFS walling systems, Bricks, and Roofing. The Glass segment includes the operations of Viridian, an architectural glass provider and manufacturer of float glass and hardcoated performance products. Products from the aluminium business include aluminium ingot, billet and slab.. The Property segment sells former operating sites.

Regis Resources is a gold producer. Co. and its controlled entities are engaged in the production of gold from the Duketon Gold Project; exploration, evaluation and development of gold projects in the Eastern Goldfields of Western Australia; and exploration and evaluation of the McPhillamys Gold Project in New South Wales. Co. has two reportable segments which comprise the Duketon Gold Project; being Duketon North Operations, comprising the Moolart Well Gold Mine, and Duketon South Operations, incorporating the Garden Well Gold Mine and the Rosemont Gold Mine.

Seven Group Holdings has six segments: WesTrac Australia, which provides heavy equipment sales and support to customers in Australia; WesTrac China, also providing heavy equipment sales and support in Hebei, Liaoning, Heilongjiang, Jilin, Shanxi, Inner Mongolia and the municipalities of Beijing and Tianjin; AllightSykes, engaged in the manufacture, assembly, sales and support of lighting, FG Wilson power generation and dewatering equipment as well as distribution of Perkins engines; Coates Hire, which is an equipment hire company; Media Investments, which relates to investments in listed and unlisted media organizations; Energy; and Other investments.

Transurban Group is engaged in the development, financing, operation and maintenance of toll road networks as well as management of the associated customer and client relationships. Co. manages and develops urban toll road networks in Australia and the U.S. Co. owns concession assets across four key market segments: Victoria, New South Wales, Queensland and the Greater Washington Area.

Westpac Banking is a banking organization with branches, affiliates and controlled entities throughout Australia, New Zealand, Asia and in the Pacific region. Co. provides a range of banking and financial services in these markets, including consumer, business and institutional banking and wealth management services. Co. is engaged in the provision of financial services including lending, deposit taking, payments services, investment portfolio management and advice, superannuation and funds management, insurance services, leasing finance, general finance, interest rate risk management and foreign exchange services. As of Sep 30 2017, Co. had total assets of A$851,875,000,000.