Warren Buffett, Nebraska
Buffett's $85 billion is thanks to his enormous company Berkshire Hathaway. He is considered one of the most successful investors of all time. He owns companies such as Geico, Duracell, and Dairy Queen. He's a generous man, though, and has donated more than $3.5 billion in his lifetime.
Sheldon Adelson, Nevada
Adelson has made over $35 billion in the casino industry. As the chairman and CEO of Las Vegas Sands, he owns more than half of the United States's gambling empire. He is also a major donor to Jewish causes and the Republican party.