Mack C. Chase, New Mexico
The oil tycoon has a net worth of $700 million in assets. His fortune comes from the Permian Basin oil fields in Texas and New Mexico. He cofounded Marbob Energy, which provides pumping services to well owners, and then started his own company in 1988, Mack Energy Corp.
Micheael Bloomberg, New York
Mayor Bloomberg has racked up a net worth of $53.8 billion over the course of his three terms and beyond. He cofounded Blomberg LP, a media and financial information company, in 1981, and it now has a revenue of $9 billion.
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