Harry Sonnenberg

Part of AMPCI Macquarie Infrastructure Management, DUET Investment Holdings Ltd. acts as a private equity fund. The company is based in Sydney, Australia.

Clough Ltd. operates as an engineering and construction contracting company. It offers engineering, onshore and offshore construction, near shore marine, commissioning, brown fields. It serves the mining, energy and infrastructure market. The company was founded by John Oswald Clough in 1919 and is headquartered in West Perth, Australia.

QIC Ltd. is a government-owned fund management firm headquartered in Brisbane, Australia. The firm was founded in 1991 by the Queensland Government to serve its long-term investment responsibilities and has grown into a long-term specialist manager in alternatives. QIC offers a range of services which includes traditional, alternative and tailored strategic solutions to institutional investors in Australia and internationally.

The University of Melbourne, founded in 1853, is a world-renowned institution located in Parkville, Australia. The university is a leader in education, teaching, and research, offering a wide range of coursework and research programs.

Cmps&F Pty Ltd. provides engineering and construction management services. The private company is based in Sydney, Australia.

Heytesbury Pty Ltd. owns and operates cattle stations, horse stud farms, as well as produces wines in Australia. The company, through its group of enterprises, manages a cattle herd, selling cattle domestically and to export markets; produces a range of red, white, and sparkling wines for restaurants, hotels, and stores; and offers horse management services. Heytesbury was founded in 1923 and is headquartered in Perth, Australia.

Peabody Energy Australia PCI Pty Ltd. explores and mines for coal. The firm supplies low volatile PCI coal to the steel mills of Asia, Europe and Brazil and also produces some thermal and coking coal. The company was founded in October 1995 and is headquartered in South Brisbane, Australia.

PTTEP Australasia Ltd. extracts oil and gas. It produces, develops and explores assets in the low sovereign risk Australian waters of the Timor Sea. The company was founded in July 2005 and is headquartered in West Perth, Australia.

Australian Institute of Co. Directors is a non-profit organization that provides leadership on director issues. It offers governance education, director development, and advocacy. The organization was founded in January 1, 1990 and is headquartered in Sydney, Australia.

The Institution of Engineers Australia is the peak body for the engineering profession in Australia, with approximately 112,000 members. The non-profit company is based in Australia, and Stephen Durkin has been the CEO of the company since 2012. The Australian company's work and strategic priorities are focused on promoting and advancing the engineering profession. The company offers migration skills assessment services for a fee, as well as additional paid services. Engineers Australia also provides information about Graduate membership.

QIC Private Capital Pty Ltd. operates as an investment manager. The company is headquartered in Brisbane, Australia.

Exergen Pty Ltd. engages in the development and commercialization of clean coal technology. Its technology is known as the Continuous Hydrothermal De-watering (CHTD) of brown coal (lignites) and high moisture subbituminous coal. The company was founded by Peter Tait and Don Nicklin and is headquartered in Milton, Australia.

K.J. Johnson & Co. Pty Ltd. provides electrical engineering services. The private company is based in Bayswater, Australia.

Woodside Energy Ltd. engages in the exploration and distribution of oil and gas products. The company was founded in 1954 and is headquartered in Perth, Australia.

Cubbie Group Ltd. is an Australian company that specializes in irrigated agriculture, including cotton, wheat, sorghum, sunflowers, barley, chickpeas, and corn. The private company's properties are located near St George in Australia, with a total holding of 93,000 hectares, including 22,000 hectares of irrigated cropping fields supported by on-farm irrigation infrastructure. Cubbie Ag Irrigation Project is an economic and ecological model for sustainable development in inland Australia. The company has subsidiaries in Australia.

Part of Clough Ltd., Clough Engineering Ltd. provides professional engineering services.

Aurizon Network Pty Ltd. provides maintenance and manages rail network and associated rail infrastructure. The firm’s core business includes coal, bulk freight, intermodal freight, iron ore, rolling stock maintenance, rail and track services, rail construction, and network access and management. The company was founded on July 11, 2008 and is headquartered in Brisbane, Australia.

Duet Co. Ltd. provides energy generation. The company was founded on February 4, 2013 and is headquartered in Australia.

Governance Institute of Australia Ltd. provides education, support, and networking opportunities for directors, Australian company secretaries, governance advisers, and risk managers. The private company is based in Sydney, Australia. Megan Motto has been the CEO of the company since 2019.

Federation Training provides vocational environmental education training for students.

Sydney Motorway Corp. is an online magazine that talks about cars and provides tips on how to grow an auto detailing business using technology. The private company is based in Sydney, Australia. The editorial team started the Australian company with the intention of creating a website to detail bad drivers encountered on Bradfield. However, the website evolved into an online magazine that covers various topics related to cars. The company provides insights on how to use social media and search engine optimization to reach potential customers and build solid relationships with them.