Colin William Ravenhall

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.

Part of Akzo Nobel NV, Ozak Belon Ind Ltd. is an Australian company that manufactures paint. The company is based in Wetherill Park, Australia.