TPG Networks (Total Peripherals Group) is an Australian Internet service provider founded in 1986 and headquartered in North Ryde, providing Internet access, networking, and OEM services.

Atlassian is an Australian software company founded in 2002 and headquartered in Sydney, which designs software for software developers and project managers.

Altium is an Australian software company founded in 1985, which develops electronic design automation (EDA) software. Its famous products include PCB circuit design software Altium Designer, etc.