20. Diane Hendricks
Company: ABC Supply
Net Worth: $12.1 billion*
Diane Hendricks and her late husband, Ken Hendricks, founded ABC Supply in 1982. The privately-owned company is one of the largest suppliers of roofing materials, gutters, siding, and windows in the world. Diane has been the sole owner and chairman of ABC since 2007 after her husband passed away.
Diane Hendricks @RickRomell / Twitter.com
ABC is a success story when it comes to its work environment. The business has earned fifteen Gallup “Exceptional Workplace Awards,” as well as two “Employees’ Choice Awards” from Glassdoor for its employee-first culture. Hendricks is worth $12 billion, and she has branched out into film production. Hendricks has produced An American Carol, The Professor, Snowmen, and The Stoning of Soraya M, among others.