| Lake Pend Oreille Idaho ClubSandpoint | Form 990-EZ | $98,597FY2025 |
| Cassia County Education Foundation IncBurley | Form 990-EZ | $97,152FY2024 |
| Kimberly Booster Club IncKimberly | Form 990-EZ | $97,107FY2024 |
| Boise Public Library Foundation IncBoise | Form 990 | $95,647FY2024 |
| Coeur D Alene Public Library Foundation IncCoeur d'Alene | Form 990 | $92,337FY2024 |
| Idaho Society of Individual Pyschology IncRigby | Form 990-EZ | $90,716FY2025 |
| Wildcat Football Booster IncNampa | Form 990-EZ | $89,324FY2025 |
| Hispanic Business Association IncBoise | Form 990-EZ | $88,371FY2024 |
| New Knowledge Adventures IncPocatello | Form 990-EZ | $87,490FY2025 |
| Savvy Women & Money Conferences of IdahoMeridian | Form 990-EZ | $86,620FY2025 |
| Meridian Library District Foundation IncMeridian | Form 990-EZ | $86,035FY2025 |
| Portneuf Rodeo Committee IncPocatello | Form 990-EZ | $85,416FY2024 |
| Idaho Ag in the ClassroomMeridian | Form 990-EZ | $85,199FY2025 |
| SLRMC Medical Staff Auxiliary LtdBoise | Form 990-EZ | $84,401FY2025 |
| Bear Lake School District No 33 Education FoundationMontpelier | Form 990-EZ | $83,767FY2025 |
| McCall Donnelly Education Foundation IncMcCall | Form 990-EZ | $83,524FY2025 |
| Array Global Educational Services IncBonners Ferry | Form 990-EZ | $82,418FY2025 |
| Literacy Project of North IdahoCoeur d'Alene | Form 990-EZ | $82,129FY2026 |
| Hillsdale Elementary PTO IncMeridian | Form 990-EZ | $81,414FY2025 |
| Aberdeen Tigers BoostersAberdeen | Form 990-EZ | $75,042FY2025 |
| Heyburn School PTOHeyburn | Form 990-EZ | $71,991FY2025 |
| Kids Chance of Idaho IncBoise | Form 990-EZ | $71,583FY2025 |
| Pocatello Chubbuck Chamber Foundation IncPocatello | Form 990-EZ | $71,490FY2025 |
| Moscow Chamber Foundation IncMoscow | Form 990-EZ | $70,887FY2025 |
| Mountain Home Volunteer Firedepartment Members Association IncMountain Home | Form 990-EZ | $69,757FY2025 |
| Idaho Japanese Language School IncBoise | Form 990-EZ | $63,091FY2026 |
| Idaho Walk Bike Alliance IncBancroft | Form 990-EZ | $61,960FY2025 |
| Mayors Scholarship FundIdaho Falls | Form 990-EZ | $60,237FY2025 |
| Warrior Booster Club IncLewiston | Form 990-EZ | $59,499FY2025 |
| Sandpoint Tomorrow IncSandpoint | Form 990-EZ | $55,032FY2024 |
| Edufest IncBoise | Form 990-EZ | $54,984FY2025 |
| Kuna Education Foundation IncKuna | Form 990-EZ | $54,966FY2025 |
| Power of Pride IncAmerican Falls | Form 990-EZ | $53,045FY2025 |
| PTA Idaho ConfressMeridian | Form 990-EZ | $50,152FY2025 |
| League of Idaho Cities IncorporatedBoise | Form 990-N | No figure |
| Canyon-Owyhee School Service Agency Foundation IncWilder | Form 990-N | No figure |
| Moscow Bear Boosters IncMoscow | Form 990-EZ | $49,050FY2026 |
| Burley High School Band Booster AssociationBurley | Form 990-EZ | $48,381FY2024 |
| Auto Ranch Foundation IncMeridian | Form 990-EZ | $47,038FY2024 |
| John V Evans Elementary PTO IncBurley | Form 990-EZ | $45,456FY2024 |
| Selkirk Outdoor Leadership & EducationSandpoint | Form 990-N | No figure |
| North American Friends of Chawton House Library IncBoise | Form 990-N | No figure |
| Orofino Maniac Boosters IncOrofino | Form 990-EZ | $44,210FY2025 |
| West Minico Parent Teacher Organization IncPaul | Form 990-EZ | $43,957FY2024 |
| Adams Elementary PTO IncBoise | Form 990-EZ | $41,900FY2025 |
| Lewiston Library Foundation IncLewiston | Form 990-EZ | $40,918FY2025 |
| Genesee Education Foundation IncGenesee | Form 990-N | No figure |
| Cda Charter Parent Organization IncCoeur d'Alene | Form 990-EZ | $35,102FY2026 |
| Friends of the Nampa Public LibraryNampa | Form 990-N | No figure |
| Owyhee Grad NiteStar | Form 990-N | No figure |