Christopher Sutherland

Clough Ltd. operates as an engineering and construction contracting company. It offers engineering, onshore and offshore construction, near shore marine, commissioning, brown fields. It serves the mining, energy and infrastructure market. The company was founded by John Oswald Clough in 1919 and is headquartered in West Perth, Australia.

Programmed Maintenance Services Ltd. engages in the provision of staffing, workforce, property maintenance, facilities management, and marine transportation services. The firm serves retail and commercial, education, universities, manufacturing, transport and logistics, onshore mining and offshore oil and gas industries. The company was founded by Norman Miles in 1951 and is headquartered in Burswood, Australia.

Programmed Integrated Workforce Ltd. provides recruitment, labor hire, and managed labor services. The company is headquartered in 1992 and it 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.

Southern Ports Authority provides port infrastructure development services. The private company is based in Esperance, Australia.