Karl Stewart

Golding Contractors Pty Ltd. provides civil infrastructure and mining services. Its projects includes: mining of coal, gold and phosphate, construction of bridges, road and rail infrastructure, major structural concrete projects, industrial and resource infrastructure, golf courses, wharves and jetties, industrial plant maintenance and rehabilitation, and building construction. The company was founded by Cyril Golding in 1942 and is headquartered in Gladstone, Australia.

Glencore Queensland Ltd. provides coal, gold, zinc, and copper mining & processing services. The company was founded in 1970 and is headquartered in Brisbane, Australia.

Rio Tinto Aluminium (Holdings) Ltd. manufactures aluminum products. It supplies bauxite, alumina, and aluminum products to the Australia, New Zealand, and export markets. The company also manages mining, refining, and smelting operations located in Australia, New Zealand, and Wales. Rio Tinto Aluminium is headquartered in Brisbane, Australia.