The 16 industries that have made America's richest people, from tech to trucking

Fuente: Business Insider

Elon Musk, Rupert Murdoch, and Diane Hendricks are the richest people in America in their respective industries. Johannes Neudecker/picture alliance via Getty Images; Emma McIntyre/WireImage; PATRICK T. FALLON/AFP via Getty ImagesFinance and tech have minted the most billionaires in the US.