- Heritage Foundation: (21 mentions)
- Cato: 20
- Fraser Institute: 18
- American Enterprise Institute (AEI): 16
- Libertad y Desarrollo: 13
- CIDAC: 11
- IMANI: 10
- CEDICE; Atlas Network: 9
- Adam Smith Institute; Unirule: 8
- Hoover Institution: 7
Even though Heritage had more mentions than Cato (by 1), Cato is considered a higher ranked think tank in the US (#8) compared to Heritage Foundation (#9).
Mr. Chafuen writes extensively about free-market think tanks, and if Dr. James McGann (who runs UPenn's think tank program) is "Mr. Think Tank," Mr. Chafuen is "Mr. Free-Market Think Tank."