Nicholas W. Stump

Ludowici Pty Ltd. designs, manufactures and markets mineral processing equipment. It designs, manufactures, and market mineral process equipment, which includes vibrating screens, coal centrifuges, dryers, rod seals, piston seals, wipers, wear rings, extrusions, portable water seals, and rubber moldings. The firm also provides hydraulic, pneumatic and custom made sealing products. It specializes in designing and manufacturing of bearings, joints and isolators for bridges and other engineering structures. The firm offers its services to the industries, which includes agricultural, civil engineering, construction, defense, industrial, materials handling, metallurgy, minerals processing, mining, oil and gas, petrochemical, pharmaceutical, primary industries, quarry, rail systems, shipping and marine, ship loading and stockpiling, steel, waste handling and water management. The company was founded in 1858 and is headquartered in Brisbane, 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.