15 Most Valuable Mining Companies in the World

2. Rio Tinto Group (NYSE: RIO)

Market Cap: $117.25 billion

Rio Tinto Group (NYSE: RIO), a UK-based company, operates in mining materials like copper, iron ore, aluminum, diamonds, gold, borates, and titanium dioxide. The company was formed in 1873. Rio Tinto Group (NYSE: RIO) has its operations spread in the UK and Australia and operates various industries like underground mines, mills, smelters, and power stations. Rio Tinto Group (NYSE: RIO) generated a revenue of $44.6 billion in 2020.

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