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Nonprofits in O FALLON, IL

132 tax-exempt organizations with a return on IRS file.

Largest nonprofits in O FALLON by revenue

Top 5s in O FALLON

Most raised in gifts and grants

Contributions, gifts and grants received in the year

  1. 1Southern Illinois Builders Association990, year ended Dec 2025$1.2M
  2. 2Southern Illinois Construction Advancement Program990, year ended Aug 2025$1.2M
  3. 3Karla Smith Foundation990, year ended Dec 2025$521K
  4. 4Discovery990, year ended Jun 2025$465.2K
  5. 5Society of ST Vincent De Paul990-EZ, year ended Sep 2025$191.7K

Largest reserves

Net assets (fund balance) at year end

  1. 1Employers and Operating Engineers-520 Health and Welfare F990, year ended Dec 2024$46.7M
  2. 2Washington University Physicians in Illinois Inc990, year ended Jun 2025$6.2M
  3. 3Southern Illinois Construction Advancement Program990, year ended Aug 2025$5.2M
  4. 4Southern Illinois Builders Association990, year ended Dec 2025$2.7M
  5. 5Bricklayers Local 8 of Illinois Apprenticeship990, year ended Dec 2025$2.2M

Highest-paid people

Compensation from the organization and related organizations, including other pay

  1. 1Sam BhayaniChief Medical Officer · Washington University Physicians in Illinois Inc$1M
  2. 2Donna RichterCEO · Southern Illinois Builders Association$245.1K
  3. 3Donna RichterAdministrator · Southern Illinois Construction Advancement Program$233K
  4. 4Matt BraunPresident · International Union of Bricklayers and Allied Craftworkers$175.3K
  5. 5Dennis HummertSecretary/Treasurer · International Union of Bricklayers and Allied Craftworkers$173.8K

All nonprofits in O FALLON, A–Z (page 1 of 2)