West African Resources Limited operates as a gold exploration company.

Westpac Banking Corporation operates as a major financial institution.

Webjet Limited is engaged in a digital travel business in global consumer markets and wholesales markets.

Wesfarmers Ltd. owns retail chains, operates mines, writes insurance, manufactures and distributes industrial products, manufactures fertilizers and chemicals, and distributes liquefied petroleum gas and medical and industrial gases.

Westgold Resources Limited provides gold mining services.

Whitehaven Coal Limited operates as a coal producer.

Worley Limited provides consulting and advisory services.

Woolworths Group Limited offers retail operations.

Woodside Petroleum Limited explores for and produces oil and gas from offshore and onshore facilities located in Western Australia and Northern Territory.

WPP AUNZ Limited operates as a marketing communications services company.

Western Areas Limited is an Australia-based nickel producer which owns the Forrestania Nickel Project, along with development projects in Canada and Finland.

Wisetech Global Limited designs and develops cloud-based logistics software solutions.