Christopher Mark Tuckwell

Part of Perenti Ltd., Ausdrill International Pty Ltd. is an Australian company that provides drilling and blasting services. The company is based in Canning Vale, Australia.

Henry Walker Eltin Group Ltd. provides engineering services. The firm provides designing, minerals processing and materials handling, surface mining, and maintenance services. The company was founded in 1962 ands is headquartered in Nedlands, Australia.

Part of Perenti Ltd., African Mining Services (Ghana) Pty Ltd. is a Ghanaian mining company that mines for minerals. The company is based in Accra, Ghana.

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.

MACA Ltd. engages in the provision of mining services and civil construction services to the mining industry. It also provides loading, hauling, drilling and blasting, crushing and screening, and civil infrastructure services to both public and private industries. It operates through the following segments: Mining, Civil and Infrastructure, and Interquip. The company was founded in November 2002 and is headquartered in Welshpool, Australia.