8) S. C. Johnson family (Net worth: $28.8 billion)
The S. C. Johnson family made its wealth in the cleaning products industry. They are behind many popular cleaning products like Windex, Ziploc, Shout and Glade. S. C. Johnson founded the company in 1886. Currently Herbert Fisk III, great-great grandson of S. C. Johnson, is the CEO of the company.
7) Pritzker family (Net worth: $30 billion)
The Pritzker family is a powerful family in Chicago. They made their fortune in the hospitality industry through smart investments. Pritzker family created Hyatt Hotels. They spent the first decade of the current century fighting over trusts and eventually divvied up the fortune. There are 11 billionaires in the family.
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