Brett Maff

Calibre Global Pty Ltd. provides project management, engineering and consultancy services. Its services include concept development, determining project feasibility, engineering design, project management, construction management, operational support, optimization of operating assets and the integration of new technology. The company was founded in 2002 and is headquartered in Perth, WA.

Part of Caterpillar, Inc., Bucyrus Australia Surface Pty Ltd. is an Australian company that manufactures mining machinery and equipment. The company is based in Mackay, Australia.

AMCI Australia Pty Ltd., part of Vale SA, is a company headquartered in Brisbane, Australia. The firm manufactures mining and quarrying equipment. Patrick Murphy has been the CEO since 2018.

Calibre Group Ltd. engages in the provision of engineering, consulting, project delivery, construction, maintenance, and asset management services. It operates through the Professional Services, and Construction and Maintenance segments. The Professional Services segment caters to the resources, urban development, and infrastructure markets. The Construction and Maintenance segment involves in the operation of Diona business. The company was founded by Raymond Campbell Munro on April 17, 2002 and is headquartered in North Sydney, Australia.