Skip to main content

The 10 largest nonprofits in Ohio by revenue

Cleveland Clinic Foundation is #1 with $17.2 billion in revenue.

#1 · Cleveland Clinic Foundation
$17.2 billion
All Ohio nonprofits combined
$189.6 billion
26,858 e-filed returns

The list

Total revenue for the year on the latest e-filed return.

  1. 1Cleveland Clinic Foundation990, year ended Dec 2024$17.2B
  2. 2Battelle Memorial Institute990, year ended Sep 2025$13.5B
  3. 3Bon Secours Mercy Health Inc990, year ended Dec 2024$11.5B
  4. 4The Cleveland Clinic Foundation990, year ended Dec 2024$9.7B
  5. 5Caresource Ohio Inc990, year ended Dec 2024$8.6B
  6. 6University Hospitals Health System Inc990, year ended Dec 2024$5.9B
  7. 7Ohiohealth Corporation990, year ended Jun 2025$5.7B
  8. 8Nationwide Childrens Hospital990, year ended Dec 2024$4.3B
  9. 9Childrens Hospital Medical Center990, year ended Jun 2025$3.6B
  10. 10Uc Healthcare System990, year ended Jun 2025$2.9B

More rankings

Largest by revenue by state