Rio Tinto
Rio Tinto Group is a global enterprise dedicated to the exploration, extraction, and processing of a wide array of mineral resources. Its extensive product portfolio features metals such as aluminum, copper, and iron ore; precious commodities like diamonds and gold; and industrial minerals including borates, titanium dioxide, salt, and lithium. The company's operations encompass owning and managing diverse assets, from both open-pit and underground mines to processing facilities like mills, refineries, and smelters, as well as power stations and various research and support centers. Founded in 1873, its headquarters are situated in London, United Kingdom.