| National Network for Youth IncWashington | Form 990 | $782,674FY2025 |
| Reproductive Toxicology Center a Non-Profit FoundationWashington | Form 990 | $776,465FY2026 |
| Kappa Scholarship Endowment FundWashington | Form 990 | $770,108FY2025 |
| Friday Morning Music Club IncWashington | Form 990 | $756,282FY2025 |
| Friends of the Lebanese Franciscan Sisters of the CrossWashington | Form 990 | $744,458FY2025 |
| Society for the Psychological Study of Social IssuesWashington | Form 990 | $742,994FY2024 |
| National Capital Coalition to Prevent Underage DrinkingWashington | Form 990 | $734,054FY2025 |
| Kingman Boys Club IncWashington | Form 990 | $732,669FY2025 |
| Greater Washington Hispanic Chamber of Commerce Foundation IncWashington | Form 990 | $713,348FY2024 |
| We Care DMV Day Services IncWashington | Form 990 | $702,921FY2025 |
| Circle Foundation IncWashington | Form 990 | $696,884FY2024 |
| The Bryce Harlow FoundationWashington | Form 990 | $691,126FY2024 |
| Friends of the Hospital for Sick Children Toronto IncWashington | Form 990 | $685,892FY2026 |
| Skinner Leadership Institute IncWashington | Form 990 | $678,524FY2025 |
| Institute for the Study of Modern AuthoritarianismWashington | Form 990 | $671,235FY2024 |
| The ThirteenWashington | Form 990 | $662,777FY2025 |
| Development Corporation of Columbia Heights IncWashington | Form 990 | $659,745FY2023 |
| Radio & Television News Directors FoundationWashington | Form 990 | $657,184FY2024 |
| Georgetown University Alumni Association IncWashington | Form 990 | $657,063FY2025 |
| Hillel the Foundation for Jewish Campus LifeWashington | Form 990 | $654,821FY2025 |
| St Michael Center for Spiritual Renewal IncWashington | Form 990 | $649,049FY2024 |
| National Hispanic Corporate CouncilWashington | Form 990 | $631,830FY2024 |
| Accord NetworkWashington | Form 990 | $618,694FY2024 |
| Teamster Disaster Relief FundWashington | Form 990 | $613,140FY2025 |
| Scottish Rite Foundation of the District of Columbia IncWashington | Form 990 | $605,282FY2024 |
| National Civil Justice InstituteWashington | Form 990 | $600,415FY2025 |
| Eangus We Care for America Foundation IncWashington | Form 990 | $591,131FY2025 |
| Action on Smoking & HealthWashington | Form 990 | $589,291FY2024 |
| United Chinese AmericansWashington | Form 990 | $584,650FY2024 |
| Center for Equal OpportunityWashington | Form 990 | $583,493FY2024 |
| National Dental Association FoundationWashington | Form 990 | $575,787FY2024 |
| Horace Mann Elementary School PTAWashington | Form 990 | $572,387FY2025 |
| International Association for Volunteer EffortWashington | Form 990 | $565,885FY2024 |
| Nasf FoundationWashington | Form 990 | $557,719FY2024 |
| National Origanization of Black County Officials IncWashington | Form 990 | $547,132FY2025 |
| National Alliance of Sickle Cell CentersWashington | Form 990 | $527,453FY2024 |
| Association of Securities and Exchange Commission Alumni IncWashington | Form 990 | $526,659FY2024 |
| Northeast-Midwest InstituteWashington | Form 990 | $519,042FY2024 |
| History of Science Society IncWashington | Form 990 | $518,078FY2025 |
| Foundation for the Malcolm Baldrige National Quality Award IncWashington | Form 990 | $512,953FY2025 |
| Aspira Association IncWashington | Form 990 | $508,197FY2025 |
| Fihankra Akoma Ntoaso FanWashington | Form 990 | $495,348FY2025 |
| Congressional Fire Services Institute IncWashington | Form 990 | $493,940FY2025 |
| Margaret McNamara Education GrantsWashington | Form 990 | $492,188FY2025 |
| Peace of Mind IncWashington | Form 990 | $482,011FY2025 |
| On-Ramps to CareersWashington | Form 990 | $475,302FY2025 |
| Society of Woman GeographersWashington | Form 990 | $473,471FY2024 |
| National Society United States Daughters of 1812Washington | Form 990 | $470,984FY2025 |
| Continental Societies IncWashington | Group return | $457,237FY2024 |
| Alice Deal Community Association IncWashington | Form 990 | $451,561FY2025 |