Rio Tinto 

Rio Tinto Group is a global enterprise dedicated to the exploration, extraction, and processing of diverse mineral resources across the world. The company's comprehensive operations are structured into four principal divisions: Iron Ore, Aluminium, Copper, and Minerals. The Iron Ore division focuses on the mining of iron ore, alongside the production of salt and gypsum, primarily located in Western Australia. Within the Aluminium segment, activities encompass bauxite excavation, alumina refinement, and the smelting process that yields aluminium. The Copper segment is involved in both the extraction and refinement of copper, gold, silver, and molybdenum, in addition to other related by-products and ongoing exploration initiatives. Finally, the Minerals division manages the mining and processing of various materials such as borates, titanium dioxide feedstock, and iron concentrate and pellets. This segment also oversees the full lifecycle of diamond operations, from mining and sorting to marketing, and is actively developing projects for critical battery materials like lithium. Rio Tinto maintains and operates an extensive infrastructure network, comprising both open-pit and underground mines, alongside modern refineries, smelters, processing plants, power generation facilities, and shipping terminals. The Group was established in 1873 and its corporate headquarters are located in London, United Kingdom.