Calibre Group Ltd. provides engineering, consulting, project delivery, construction and asset management services. The company operates through the following segments: Infrastructure, Resources & Consulting. The Infrastructure segment provides construction, operations maintenance, and asset management services to the resources, energy and infrastructure sectors. The Resources segment provides an engineering, project delivery and asset management services to the minerals and metals, coal and energy, rail transportation and infrastructure sectors. The Consulting segment consists of services to specialist urban development, civil, structural and environmental engineering consultancy, to the public and private infrastructure sectors. Calibre Group was founded by Raymond Campbell Munro on April 17, 2002 and is headquartered in Perth, Australia.