Other Billionaires

Rankings Types Industries Regions Investigations

#6 Koch Family

Conglomerate •USA

$150 Billion

Compared to richest family

Source of Wealth: Koch Industries

Industry: Conglomerate

Founded By: Fred C. Koch

Founded Year: 1940

Continent: North America

The global wealth index

Other Billionaires

Corrections and source submissions

Found a figure, citation, or profile that should be reviewed?

Contact the editorial desk →

Rankings

Global ranking Browse by type Industries Youngest billionaires Philanthropists

Geography

All regions North America Europe Asia Latin America Africa

Research

Unmeasured fortunes Wealthiest families Billionaires ever lived Fictional fortunes Site directory

Information

About and methodology Contact editorial desk Privacy policy Terms of use

© 2026 Other BillionairesEvidence-led research into global wealth.