| Community Tax Aid IncWashington | Form 990 | $446,281FY2025 |
| Wyoming House IncWashington | Form 990 | $432,994FY2024 |
| Frederick B Abramson IncWashington | Form 990 | $430,826FY2025 |
| Society for Experimental Biology and MedicineWashington | Form 990 | $426,109FY2025 |
| Arch Development CorporationWashington | Form 990 | $420,906FY2025 |
| Akwa Ibom State Association of Nigeria USAWashington | Form 990 | $415,967FY2025 |
| William J Gies Foundation for the Advancement of Dentistry IncWashington | Form 990 | $411,181FY2025 |
| National Crime Prevention Council IncWashington | Form 990 | $411,152FY2025 |
| Institute of Transportation Engineers Educational FoundationWashington | Form 990 | $410,062FY2024 |
| The Aslan Project IncWashington | Form 990 | $406,510FY2024 |
| A Salon LtdWashington | Form 990 | $402,069FY2025 |
| Jung Society of WashingtonWashington | Form 990 | $377,563FY2024 |
| Paralyzed Veterans of America Spinal Cord Research FoundationWashington | Form 990 | $361,852FY2025 |
| One Ministries IncWashington | Form 990 | $361,421FY2024 |
| PBS Impact Foundation IncWashington | Form 990 | $360,174FY2023 |
| Ethiopian Community Center IncWashington | Form 990 | $352,233FY2024 |
| Washington Heads of Office Leadership CouncilWashington | Form 990 | $347,450FY2025 |
| The Nicholson ProjectWashington | Form 990 | $344,773FY2024 |
| Little League Baseball IncWashington | Form 990 | $329,801FY2025 |
| Mana a National Latina OrganizationWashington | Form 990 | $329,177FY2024 |
| ProenglishWashington | Form 990 | $326,112FY2025 |
| The Brendan CorporationWashington | Form 990 | $324,546FY2024 |
| Be Just IncorporatedWashington | Form 990 | $314,748FY2025 |
| International Council for Small BusinessWashington | Form 990 | $314,621FY2026 |
| Hispanic National Bar Foundation IncWashington | Form 990 | $305,672FY2025 |
| Nextgen Chamber of Commerce FoundationWashington | Form 990 | $302,710FY2025 |
| Holy Comforter St Cyprian Community Action GroupWashington | Form 990 | $299,166FY2024 |
| Operation Understanding DCWashington | Form 990 | $293,504FY2024 |
| Lubuto Library Project IncWashington | Form 990 | $293,395FY2025 |
| Congressional ChorusWashington | Form 990 | $286,962FY2024 |
| Robert L Walls Senior Citizens Center of the New Macedonia BaptisWashington | Form 990 | $285,102FY2024 |
| Black Student FundWashington | Form 990 | $284,622FY2025 |
| National Association of Veterans Program AdministratorsWashington | Form 990 | $282,926FY2024 |
| Society of American Military EngineersWashington | Form 990 | $280,745FY2024 |
| DC Digital Collective IncWashington | Form 990 | $279,100FY2024 |
| Washington Chinatown Development Company IncWashington | Form 990 | $274,468FY2024 |
| NPR International Operations IncWashington | Form 990 | $272,594FY2025 |
| The Essential TheatreWashington | Form 990 | $245,845FY2025 |
| Citizens Association of GeorgetownWashington | Form 990 | $244,014FY2025 |
| Pearl and Ivy Educational Foundation IncWashington | Form 990 | $241,692FY2024 |
| Library of American Broadcasting Foundation IncWashington | Form 990 | $239,611FY2025 |
| The Greater Washington Board of Trade FoundationWashington | Form 990 | $235,000FY2025 |
| American Society of Plant TaxonomistsWashington | Form 990 | $233,967FY2024 |
| Washington D C Alumnae Foundation IncWashington | Form 990 | $232,466FY2025 |
| The Maryland Workers Compensation Educational Association IncWashington | Form 990 | $231,730FY2024 |
| Ben W Murch Home and School Association IncWashington | Form 990 | $227,406FY2025 |
| The District of Columbia Behavioral Health AssociationWashington | Form 990 | $226,249FY2025 |
| Anthony J Hyde Parent Teacher AssociationWashington | Form 990 | $221,492FY2025 |
| Charlotte High Alumni Association IncWashington | Form 990 | $220,180FY2024 |
| National Society of the Daughters of the American RevolutionWashington | Form 990 | $214,576FY2024 |