Forbes: The Richest Billionaires in Energy, Mining and Metals

Every year, Forbes releases its list of billionaires who have made their money in a variety of industries. Of the richest 100 billionaires, thirteen of them made their wealth in energy, metals, and mining. Among them include old barons like the Koch family, Russian oligarchs, and Australian mining families.

Sources:

https://www.forbes.com/billionaires/