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Nonprofits in FAIRFAX, VA

1,010 tax-exempt organizations with a return on IRS file.

Largest nonprofits in FAIRFAX by revenue

Top 5s in FAIRFAX

Most raised in gifts and grants

Contributions, gifts and grants received in the year

  1. 1George Mason University Foundation Inc990, year ended Jun 2025$98.2M
  2. 2National Rifle Association of America990, year ended Dec 2024$70.3M
  3. 3Inova Health Care Services990, year ended Dec 2024$66.4M
  4. 4Inova Health System Foundation990, year ended Dec 2024$44.3M
  5. 5Muslim Aid America990, year ended Dec 2025$27.5M

Largest reserves

Net assets (fund balance) at year end

  1. 1Inova Health System Foundation990, year ended Dec 2024$6.2B
  2. 2Inova Health Care Services990, year ended Dec 2024$4.6B
  3. 3George Mason University Foundation Inc990, year ended Jun 2025$468.6M
  4. 4Riverside Research Institute990, year ended Dec 2025$274.2M
  5. 5Claude Moore Charitable Foundation990-PF, year ended Dec 2024$233.3M

Highest-paid people

Compensation from the organization and related organizations, including other pay

  1. 1J Stephen JonesCeo, President · Inova Health System Foundation$6.6M
  2. 2J Stephen Jones MDPresident/CEO · Inova Health Care Services$6.6M
  3. 3James EcklundPresident Neurosciences · Inova Health Care Services$2.4M
  4. 4John HamiltonPhysician · Inova Health Care Services$2.3M
  5. 5Toni ArdabellChief Clinical Enterprise · Inova Health Care Services$2.1M

All nonprofits in FAIRFAX, A–Z (page 1 of 11)