Rank NameNet WorthOrigin of Wealth
1Walton family$130  billionWal-Mart
2Koch family$82 billiondiversified
3Mars family$78 billioncandy
4Cargill-MacMillan family$49 billionCargill Inc.
5Cox family$41 billionmedia
6S.C. Johnson family$30 billioncleaning products
7Pritzker family$29 billionhotels, investments
8(Edward) Johnson family$28.5 billionmoney management
9Hearst family$28 billionHearst Corp.
10Duncan family$21.5 billionpipelines
11Newhouse family$18.5 billionmagazines, cable TV
12Lauder family$17.9 billionEstee Lauder
13Dorrance family$17.1  billionCampbell Soup Co.
14Ziff family$14.4 billionpublishing
15Du Pont family$14.3 billionDuPont (chemicals)
16Hunt family$13.7 billionoil
16Goldman family$13.7 billionreal estate
18Busch family$13.4 billionAnheuser-Busch
19Sackler family$13 billionpain medicines
20Brown family$12.3  billionliquor
21Marshall family$12 billiondiversified
22Mellon family$11.5 billionbanking
23Butt family$11 billionsupermarkets
23Rockefeller family$11 billionoil
25Gallo family$10.7 billionwine, liquor