Rio Tinto plc
Rio Tinto Group engages in exploring, mining, and processing mineral resources worldwide. The company operates through Iron Ore, Aluminium, Copper, and Minerals Segments. The Iron Ore segment engages in the iron ore mining, and salt and gypsum production in Western Australia. The Aluminum segment is involved in bauxite mining; and alumina refining, smelting, and recycling. The Copper segment engages in mining and refining of copper, gold, silver, molybdenum, and other by-products and exploration activities. The Minerals segment is involved in mining and processing of borates, titanium dioxide feedstock, and iron concentrate and pellets; diamond mining, sorting, and marketing; and development projects for battery materials, such as lithium. It also owns and operates open pit and underground mines; and refineries, smelters, processing plants and power, and shipping facilities. The company was founded in 1873 and is headquartered in London, the United Kingdom.
Open RIO dashboard ↗United States Lime & Minerals
United States Lime & Minerals, Inc. manufactures and supplies lime and limestone products in the United States. It extracts limestone from open-pit quarries and an underground mine, and processes it as pulverized limestone, quicklime, hydrated lime, and lime slurry. The company supplies its products primarily to the construction customers, including highway, road, and building contractors; industrial customers, such as paper and glass manufacturers; environmental customers comprising municipal sanitation and water treatment facilities, and flue gas treatment processes; oil and gas services companies; roof shingle manufacturers; and poultry producers. In addition, the company has various royalty interests with respect to oil and gas rights in natural gas wells located in Johnson County, Texas in the Barnett Shale Formation. The company was incorporated in 1950 and is headquartered in Dallas, Texas. United States Lime & Minerals, Inc. is a subsidiary of Inberdon Enterprises Ltd.
Open USLM dashboard ↗