Hellen Harding

Talkland Australia Pty Ltd. provides wireless telecommunications services. The company was founded in 1992 and is headquartered in North Sydney, Australia.

Tyco International Ltd. provides security products and services, fire detection and suppression products and services and life safety products. The company's portfolio of products and services are sold under brand names such as Tyco, SimplexGrinnell, Sensormatic, Wormald, Ansul, Simplex, Grinnell, Scott and ADT. It operates through three business segments: North America Installation & Services, Rest of World Installation & Services and Global Products. The North America Installation & Services segment designs, sells, installs, services and monitors electronic security systems and fire detection and suppression systems for commercial, industrial, retail, institutional and governmental customers in North America. The Rest of World Installation & Services segment designs, sells, installs, services and monitors electronic security systems and fire detection and suppression systems for commercial, industrial, retail, residential, small business, institutional and governmental customers in the Rest of World regions. The Global Products segment designs, manufactures and sells fire protection, security and life safety products, including intrusion security, anti-theft devices, breathing apparatus and access control and video management systems for commercial, industrial, retail, residential, small business, institutional and governmental customers worldwide, including products installed and serviced by its NA and ROW Installation & Services segments. Tyco International was founded by Arthur J. Rosenburg in 1960 and is headquartered in Schaffhausen, Switzerland.

Broadcast Australia Pty Ltd. operates terrestrial broadcast transmission network. It manages transmission services for radio and television (analogue and digital) broadcasters and offer site sharing, co-hosting and infrastructure services to the telecommunications, emergency services, and broadcasting industries. The company was founded in 1928 and is headquartered in Sydney, Australia.