Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| The Aspen Institute IncWashington | Form 990 | $443,841,184FY2024 |
| Urban InstituteWashington | Form 990 | $129,592,450FY2024 |
| Brookings InstitutionWashington | Form 990 | $115,659,701FY2025 |
| American Enterprise Institute for Public Policy ResearchWashington | Form 990 | $75,372,309FY2025 |
| Innovations for Poverty ActionWashington | Form 990 | $60,152,501FY2025 |
| The Center for Employment Security Education and Research IncWashington | Form 990 | $49,377,329FY2025 |
| Pew Research CenterWashington | Form 990 | $46,263,769FY2025 |
| Peter G Peterson Institute for International EconomicsWashington | Form 990 | $17,773,572FY2025 |
| Becket FundWashington | Form 990 | $17,543,941FY2025 |
| Economic Policy InstituteWashington | Form 990 | $17,421,520FY2025 |
| Population ConnectionWashington | Form 990 | $13,035,502FY2025 |
| Washington Center for Equitable Growth IncWashington | Form 990 | $11,966,024FY2024 |
| Uli FoundationWashington | Form 990 | $11,489,240FY2025 |
| Population Reference Bureau IncWashington | Form 990 | $11,420,688FY2025 |
| Behavioral Ideas Lab IncWashington | Form 990 | $10,958,819FY2024 |
| American Political Science AssociationWashington | Form 990 | $9,087,562FY2024 |
| Institute for Higher Education PolicyWashington | Form 990 | $8,861,160FY2024 |
| American Sociological AssociationWashington | Form 990 | $8,363,810FY2024 |
| Society for Research in Child DevelopmentWashington | Form 990 | $7,370,322FY2025 |
| American Institute for Boys and MenWashington | Form 990 | $7,359,980FY2025 |
| Association of American GeographersWashington | Form 990 | $6,775,219FY2025 |
| Center for European Policy AnalysisWashington | Form 990 | $5,121,505FY2024 |
| American Action Forum IncWashington | Form 990 | $4,436,380FY2025 |
| Better Markets IncWashington | Form 990 | $4,308,388FY2025 |
| American Psychological Foundation IncWashington | Form 990 | $3,489,706FY2025 |
| Joint Center for Political and Economic Studies IncWashington | Form 990 | $3,445,579FY2024 |
| Council on Governmental RelationsWashington | Form 990 | $3,333,311FY2025 |
| Native American Finance Officers Association IncWashington | Form 990 | $3,098,128FY2024 |
| Synergia - Initiatives for Human RightsWashington | Form 990 | $2,992,130FY2024 |
| Economic Policy Innovation Center IncWashington | Form 990 | $2,662,898FY2024 |
| Joseph Rainey Center for Public Policy IncorporatedWashington | Form 990 | $2,577,767FY2024 |
| Actionaid USAWashington | Form 990 | $1,765,065FY2025 |
| School Justice Project IncWashington | Form 990 | $1,685,024FY2025 |
| Gulf International Forum IncWashington | Form 990 | $1,674,108FY2024 |
| Our Neighborhoods Capital FundWashington | Form 990 | $1,563,601FY2024 |
| Globewomen Research & Education InstituteWashington | Form 990 | $1,543,980FY2024 |
| Association for Clinical and Translational ScienceWashington | Form 990 | $1,533,366FY2025 |
| Community CooperativeWashington | Form 990 | $1,378,989FY2024 |
| American Institute for Contemporary German Studies John Hopkins UnivWashington | Form 990 | $1,246,311FY2025 |
| Advocates for Community Alternatives IncWashington | Form 990 | $1,186,763FY2024 |
| Coalition for a Prosperous America Education FundWashington | Form 990 | $1,154,428FY2024 |
| Social Progess Imperative IncWashington | Form 990 | $1,129,156FY2024 |
| Institute for ProgressWashington | Form 990 | $1,075,917FY2024 |
| National Institute of Statistical SciencesWashington | Form 990 | $1,070,710FY2025 |
| Washington Monthly Institute IncWashington | Form 990 | $957,398FY2025 |
| Institute for Palestine Studies USA IncWashington | Form 990 | $919,792FY2024 |
| American Anti Trust Institute IncWashington | Form 990 | $916,432FY2024 |
| Womens Congressional Policy InstituteWashington | Form 990 | $872,747FY2024 |
| Poverty and Race Research Action CouncilWashington | Form 990 | $810,089FY2025 |
| Knowledge Ecology International IncWashington | Form 990 | $703,096FY2024 |
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