Telstra Corporation Limited provides telecommunications and information services to businesses, governments, and individuals in Australia and internationally.
TPG Telecom Limited, a telecommunications company, provides mobile and fixed broadband services.
Hutchison Telecommunications (Australia) Limited, through its 50% interest in Vodafone Hutchison Australia Pty Limited, provides mobile telecommunications services under the Vodafone brand in Australia.
Vocus Group Limited provides integrated telecommunications services in Australia and New Zealand.
Macquarie Telecom Group Limited provides telecommunication and hosting services to corporate and government customers in Australia.
Uniti Group Limited provides Internet, and associated telecommunications products and services in Australia.
OptiComm Ltd, a licensed carrier and wholesale network infrastructure operator, designs, constructs, operates, and maintains fibre-to-the-premises (FTTP) network solutions in Australia.
MNF Group Limited, together with subsidiaries, provides voice, data, and cloud based communication and communication enablement services to residential, business, government, and wholesale customers in Australia and internationally.
Superloop Limited engages in the design, development, construction, and operation of independent telecommunications infrastructure in the Asia Pacific region.
5G Networks Limited operates as a licensed telecommunications carrier in Australia.
Spirit Telecom Limited provides telecommunication, high speed Internet, and ancillary services to commercial and residential customers in Australia.
Field Solutions Holdings Limited, a telecommunications carrier and technology company, provides connectivity and business solutions for rural, regional, and remote areas in Australia.
Vonex Limited provides telecommunications services in Australia and the United States.