Edwin Leith Boyd

Rockeby Biomed Ltd. provides research, development and marketing of rapid testing technologies for infectious diseases in animals and humans. The company's main market is in-vitro diagnostic testing which includes serology testing in hospitals as well as point of care rapid tests for use by healthcare professionals and consumers inside and outside of traditional healthcare environments. The company is headquartered in West Perth, Australia.

Hydrotech International Ltd. operates as a development stage company, which is looking for future investment opportunities. The company was earlier engaged in the business of waterproofing and multi- pulse sequencing electro-osmosis business. Hydrotech International was founded on November 17, 2006 and is headquartered in West Perth, Australia.

The Waterberg Coal Co. Ltd. engages in the exploration of mines for coal. Its projects includes South African Waterberg and South Australian Tenements: Lyons and Glenloth. The company was founded on July 18, 1994 and is headquartered in West Perth, Australia.

Anatolia Energy Ltd. is a uranium development and investment company, which engages in uranium mining and mineral exploration. The company was founded on November 28, 1996 and is headquartered in Perth, Australia.

Gleneagle Gold Ltd. engages in the mineral exploration activities for gold and base metals. It is engaged in the identification and evaluation of potential mineral exploration and mining projects. The company was founded on February 18, 2003 and is headquartered in Perth, Australia.

CPA Australia Ltd. is an Australian company that has been operating since 1954 and provides education, training, technical support, and advocacy services in the accounting profession. The private company is based in Southbank, Australia and has subsidiaries in Hong Kong. The company engages with governments, regulators, and industries to advocate for policies that stimulate sustainable economic growth. With over 166,000 members working in 100 countries and regions, CPA Australia is one of the world's largest accounting bodies. It was founded in 1886 by Andrew Lyell, Arthur Cleveland, Benjamin Doughty Smith, Thomas Brentnall, John McAlister Howden, Charles Morell Holmes, William Crellin, and Edward Langton. Andrew Paul Hunter has been the CEO of the company since 2018.

Part of Westwater Resources, Inc., Constellres Ltd. provides support services for metal mining. Constellres was acquired by Anatolia Energy Ltd., a subsidiary of Westwater Resources, Inc. from Ariona SA.