Koch Industries is headquartered in Wichita, Kan. It is one of the largest privately held companies in the United States, and employs 60,000 people in 60 countries. Koch owns refineries and chemical and paper companies. This map shows the location and general information for nonprofits that received Koch money between 2007 and 2011.

Map by Haoyun Su, Investigative Reporting Workshop

Research by Eric Holmberg, Lydia Beyoud and Kenya Downs, Investigative Reporting Workshop

Contributing: Rachel Estabrook