5 Most Valuable Mining Companies in the World

2. Rio Tinto Group (NYSE:RIO)

Market Capitalization: $106.204 billion

Rio Tinto Group (NYSE:RIO) is a British-Australian multinational corporation and a major producer of iron ore, copper, diamonds, gold, and uranium. Its primary operations include the Oyu Tolgoi copper mine in Mongolia, the Diavik diamond mine in Canada, and the Pilbara iron ore project in Australia.

Rio Tinto Group (NYSE:RIO) exclusively owns the Diavik Diamond Mine in Canada’s Northwest Territories. In a recent report, Rio Tinto disclosed that the Diavik mine produced around 970,000 carats of diamonds in the second quarter of 2023, an improvement from the 954,000 carats produced in the first quarter.