Peter de Leo

Pilbara EPCM Pty Ltd. is a joint venture company based in East Perth, Australia.

Australia Africa Minerals & Energy Group is a peak body representing Australian companies operating in Africa's resource industry. The private company is based in West Perth, Australia. The Australian company ensures that resource developments are beneficial and sustainable. The company provides support to its members and helps them align their targets with climate science. The company also helps in managing social risks associated with wrong assumptions about host countries and local communities. The CEO of the company is William John Andrew Witham.

ADP Holdings (Pty) Ltd. supplies modular processing plants and projects in the diamond mining industry. It offers a range of projects, consulting services and process plants to its clients, whether small or large, from conceptual studies and pre-engineered plants through to larger scale project execution using EPCM or Lump Sum contracting models. The company was founded in 1997 and is headquartered in Century City, South Africa.