Provisional. Ranked October 7, 2026 from the filings the IRS had published by then. Organizations have up to 10½ months after their year ends to file, so the list will change as the rest arrive.
| Rank | National | Organization | Growth | Revenue |
|---|---|---|---|---|
| 1 | 58 | Across the Aisle Washington, DC | 2,041% | $736K → $15.8M |
| 2 | 78 | National Association of State Treasurers Washington, DC · Education | 1,746% | $404K → $7.5M |
| 3 | 90 | Advanced Leadership Foundation Inc Washington, DC · Public benefit | 1,546% | $163K → $2.7M |
| 4 | 125 | Zero Emission Transportation Assoc Washington, DC · Environment | 1,070% | $475K → $5.6M |
| 5 | 139 | Democracy Forward Foundation Washington, DC · Crime and legal | 992% | $6.0M → $65.7M |
| 6 | 147 | Wadsworth-Sulgrave Historic Preservation Washington, DC · Arts and culture | 959% | $204K → $2.2M |
| 7 | 149 | Friends of the Lebanese Franciscan Sisters of the Cross Washington, DC | 930% | $371K → $3.8M |
| 8 | 246 | National Society of Collegiate Scholars Washington, DC · Education | 645% | $435K → $3.2M |
| 9 | 255 | Advancing American Freedom Foundation Washington, DC · Public benefit | 621% | $878K → $6.3M |
| 10 | 267 | Center for Countering Digital Hate INC Washington, DC · Civil rights | 605% | $496K → $3.5M |
| 11 | 279 | Corpsafrica Washington, DC · Human services | 581% | $2.3M → $15.7M |
| 12 | 430 | Center for Innovative Governance Washington, DC · Community improvement | 423% | $441K → $2.3M |
| 13 | 453 | The Louis D Brandeis Center Inc Washington, DC · Crime and legal | 403% | $3.2M → $16.1M |
| 14 | 464 | Consumer Federation of America Washington, DC · Public benefit | 395% | $2.2M → $11.1M |
| 15 | 485 | Communication First Washington, DC · Education | 382% | $418K → $2.0M |
| 16 | 527 | Yunus Emre Foundation INC Washington, DC · Arts and culture | 357% | $728K → $3.3M |
| 17 | 534 | Greater Washington Urban League INC Washington, DC · Human services | 355% | $37.4M → $170M |
| 18 | 563 | 2Gether-International Inc Washington, DC · Human services | 340% | $542K → $2.4M |
| 19 | 575 | Global Impact Washington, DC · International | 336% | $52.8M → $230M |
| 20 | 633 | Namati INC Washington, DC · Crime and legal | 309% | $14.4M → $59.0M |
| 21 | 649 | American Air Museum in Britain Washington, DC · Arts and culture | 302% | $1.4M → $5.7M |
| 22 | 668 | International Society for Pharmacoepidemiology Washington, DC | 297% | $788K → $3.1M |
| 23 | 694 | Life Pieces to Masterpieces Washington, DC · Arts and culture | 290% | $1.9M → $7.5M |
| 24 | 714 | National Partnership for Women and Washington, DC | 282% | $5.7M → $21.6M |
| 25 | 753 | School-Based Health Alliance Washington, DC · Health care | 271% | $3.3M → $12.2M |
| 26 | 764 | City First Homes INC Washington, DC · Housing | 268% | $587K → $2.2M |
| 27 | 767 | Japan-American Society of Washington, DC · International | 267% | $1.7M → $6.2M |
| 28 | 837 | Afl-Cio Technology Institute Washington, DC · Civil rights | 248% | $896K → $3.1M |
| 29 | 848 | Washington Health Institute Washington, DC · Health care | 245% | $11.3M → $39.0M |