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 | 665 | Cloud Peak Counseling Center Cody, WY · Mental health | 298% | $2.4M → $9.5M |