Murray King

Unwired Australia Pty Ltd. provides wireless broadband services. The company is headquartered in Sydney, Australia.

Virgin Mobile Pty Ltd. provides mobile network telecommunication services. The private company is based in Macquarie Park, Australia.

Virgin Mobile (Australia) Pty Ltd. provides mobile telecommunications services. Its services include mobile games, screensavers, and voicemail. The firm also provides comprehensive phone insurance. The company was founded on October 31, 2000 and is headquartered in Sydney, Australia.

Part of Singapore Telecommunications Ltd., Uecomm Operations Pty Ltd. is an Australian company that provides communication maintenance services. The company is based in Macquarie Park, Australia and was founded in 2000.

Uecomm Ltd. is an optical fibre carrier company that provides network services products and solutions. The company's network services include Ethernet VPN, managed services, Voice over IP, IP Telephony and WDM services. Uecomm was founded in 1996 and its headquarters is located in Richmond, Australia.

Part of Singapore Telecommunications Ltd., Optus Systems Pty Ltd. provides management services. The company is based in Macquarie Park, Australia.

Founded in 1994, Optus Vision Pty Ltd. is a subsidiary of Singapore Telecommunications Ltd. that provides television and cable broadcasting services. The company is based in Macquarie Park, Australia.

Part of Singapore Telecommunications Ltd., Reef Networks Pty Ltd. is an Australian company that specializes in fiber optic networks for the telecommunications industry. The company is based in Macquarie Park, Australia. Reef Networks was acquired by Optus Communications Pty Ltd. on March 31, 2005 for $71.88 million.

Part of Singapore Telecommunications Ltd., Singapore Telecom Australia Investments Pty Ltd. provides telephone voice and data communications services. The company is based in Sydney, Australia and was founded in 2001.

SingTel Optus Pty Ltd. engages in the provision of telecommunications solutions. Its services include mobile, telephony, business network services, internet, satellite services, and pay television. The company was founded in 1991 and is headquartered in Macquarie Park, Australia.

Part of Singapore Telecommunications Ltd., Optus Billing Services Pty Ltd. provides telecommunication services.

Optus Mobile Pty Ltd. engages in the provision of telecommunication services for mobile phones. The company is headquartered in Sydney, Australia.

Founded in 2000, Optus Satellite Pty Ltd. is a subsidiary of Singapore Telecommunications Ltd. that provides satellite communication services. The company is based in Macquarie Park, Australia.

Optus Finance Pty Ltd. manages the Singtel Optus Group’s treasury activities, including borrowing on behalf of the Singtel Optus Group and advancing such borrowings to companies within the Singtel Optus Group. The company was founded on March 11, 1999 and is headquartered in Sydney, Australia.

Optus Insurance Services Pty Ltd. provides insurance services. The company was founded on February 29, 2000 and is headquartered in Macquarie Park, Australia.

Part of Singapore Telecommunications Ltd., BKAL Pty Ltd. provides wireless broadband services. The company is based in Eveleigh, Australia.

Alphawest Services Pty Ltd. provides integrated information and communication technology solutions to private businesses, public companies, and government organizations. It offers security services, managed services, and information and process management. The company was founded in 1986 and is headquartered in Sydney, Australia.

Part of Singapore Telecommunications Ltd., Optus C1 Satellite Pty Ltd. is an Australian company that specializes in satellites.

Voxson Ltd. operates as a wholesaler of electronic parts and equipment. It develops and sells a broad range of consumer electronics such as slimline long range cordless phones, wireless GSM-GPS data modems, media players, and GPS navigation systems. The firm specializes in a diverse range of large light-emitting diode screens which are used in many indoor and outdoor applications, including advertising, road/traffic signs, music concerts and large presentations. The company was founded by Lucas Longginou in 1969 and is headquartered in Eagle Farm, Australia.

Inform Systems Australia Pty Ltd. provides IT services. The company is headquartered in Sydney, Australia.

Part of Singapore Telecommunications Ltd., Optus Administration Pty Ltd. is an Australian telecommunications company that provides solutions. The company is based in Macquarie Park, Australia.

ABB Power Grids Australia Pty Ltd. provides enterprise asset management solutions for asset intensive industries such as energy, mining, public infrastructure, and transportation. It offers asset management, mobile workforce management, energy trading and risk management, and energy operations and energy analytics. The company was founded on June 19, 1979 and is headquartered in Brisbane, Australia.