Newcrest Mining Ltd.

Ausenco Ltd. provides engineering and project management services. Its services include program management, engineering, global procurement, construction management, commissioning and control systems. The company was founded in 1991 and is headquartered in South Brisbane, Australia.

RCR Tomlinson Ltd. engages in the provision of solutions to the infrastructure, energy and resources sectors. It operates through the following business segments: Infrastructure, Energy, Resources, and Corporate. The Infrastructure segment consists of rail and transport; renewable energy; water; electrical; heating, ventilation, and air conditioning; oil and gas; and technical facilities management services. The Energy segment provides power generation and energy plants. The Resources segment includes engineering, construction, maintenance and shutdown services to above and below ground mining, resources, oil and gas, and liquefied natural gas sectors. The company was founded in December 1996 and is headquartered in Sydney, Australia.

Macmahon is a leading Australian company providing the complete package of mining services to clients throughout Australia and in New Zealand, South East Asia, Mongolia and Africa. An ASX listed company, Macmahon’s diverse and comprehensive capabilities provide an end to end service offering to its mining and engineering clients. Macmahon’s extensive experience in both surface and underground mining has established the Company as the contractor of choice for resources projects across a range of locations and commodity sectors. With an expanding international footprint, Macmahon’s reputation for outstanding teamwork, integrity and commitment to the environment is underpinned by the Company’s core value – safety. Mining Macmahon's mining capabilities provide a complete mining service for surface and underground operations - from mine development to materials delivery. Macmahon manages mines for some of the world's largest mining companies, with the capacity to tailor its mining services to meet the specific needs or each of its clients. Macmahon's considerable experience in mining a variety of commodities positions the Company as the contractor of choice to provide a full range of services to clients. Engineering Macmahon possesses extensive engineering capabilities for projects both above and below ground. The Company can deliver the full range of engineering services, including design, construction and a range of engineering services on site to deliver on client needs from the design phase right through to completion.