| North Scott Educational FoundationEldridge | Form 990 | $769,259FY2025 |
| Mustang Foundation IncIndependence | Form 990 | $760,753FY2025 |
| Vi Bella Serves IncSioux Center | Form 990 | $760,383FY2025 |
| Future NetWest Des Moines | Form 990 | $752,572FY2025 |
| Kaleidoscope Kids Childcare Center IncWest Union | Form 990 | $735,582FY2025 |
| Heart of America Athletic ConferenceOskaloosa | Form 990 | $732,241FY2025 |
| Forest City Education FoundationForest City | Form 990 | $721,775FY2025 |
| Riceville First Foundation IncRiceville | Form 990 | $692,107FY2025 |
| Waukee Athletic BoostersWaukee | Form 990 | $679,383FY2025 |
| Iowa Safe SchoolsDes Moines | Form 990 | $677,289FY2025 |
| West Liberty Community School District FoundationWest Liberty | Form 990 | $668,865FY2025 |
| Iowa Golf Association FoundationDes Moines | Form 990 | $657,184FY2024 |
| Grin & Grow LtdWaterloo | Form 990 | $642,446FY2026 |
| James Arthur Albert FoundationUrbandale | Form 990 | $638,563FY2025 |
| Single Parent ProvisionWest Des Moines | Form 990 | $630,025FY2025 |
| Lil Wildcat Education Center IncGlidden | Form 990 | $628,706FY2025 |
| Academy for Scholastic and Personal Success IncCedar Rapids | Form 990 | $621,872FY2024 |
| Kids Kampus IncPrimghar | Form 990 | $616,664FY2024 |
| Eastern Iowa Honor FlightCedar Rapids | Form 990 | $611,371FY2024 |
| Sumner Daycare & Learning Center IncSumner | Form 990 | $597,329FY2025 |
| Lake City Library FoundationLake City | Form 990 | $593,336FY2024 |
| Lake Mills Scholarship FoundationLake Mills | Form 990 | $586,027FY2024 |
| Kountry Kids Child CareHarlan | Form 990 | $561,105FY2024 |
| Spencer Community School FoundationSpencer | Form 990 | $559,152FY2025 |
| Waukee Parent-Teacher OrganizationWaukee | Form 990 | $559,111FY2026 |
| Iowa Lutheran School Tuitionorganization IncTerril | Form 990 | $538,327FY2025 |
| Waterloo Community Schools FoundationWaterloo | Form 990 | $537,254FY2025 |
| American Mock Trial AssociationDes Moines | Form 990 | $533,939FY2025 |
| Iowa Council of FoundationsWest Des Moines | Form 990 | $513,640FY2025 |
| Tabor Library Association IncTabor | Form 990 | $511,841FY2020 |
| Doorway to College FoundationNorth Liberty | Form 990 | $509,053FY2025 |
| Legacy of Grace School Tuition Organization IncOskaloosa | Form 990 | $482,984FY2025 |
| Job FoundationCedar Falls | Form 990 | $474,717FY2025 |
| Iowa Dental FoundationDes Moines | Form 990 | $468,926FY2025 |
| Greater Oelwein Area Early Childhood Development Center IncOelwein | Form 990 | $468,799FY2024 |
| Des Moines Educational FoundationDes Moines | Form 990 | $468,578FY2025 |
| Washington Athletic Booster Club IncWashington | Form 990 | $464,970FY2025 |
| Mission Elfaro IncCreston | Form 990 | $459,430FY2025 |
| Moc-Floyd Valley Community School District FoundationOrange City | Form 990 | $455,666FY2025 |
| Iowa Asian Alliance FoundationWest Des Moines | Form 990 | $448,057FY2025 |
| North High Alumni FoundationDes Moines | Form 990 | $447,458FY2025 |
| Athletics for Education and Success IncFort Dodge | Form 990 | $436,409FY2025 |
| South Hamilton Community School District FoundationJewell | Form 990 | $434,855FY2025 |
| Knoxville Panther Scholarship FoundationKnoxville | Form 990 | $429,641FY2023 |
| Catholic School Foundation of the Diocese of Sioux City IowaSioux City | Form 990 | $428,287FY2025 |
| Sioux Center Athletic Boosters IncSioux Center | Form 990 | $408,373FY2026 |
| Denver Cyclone Scholarship FoundationDenver | Form 990 | $396,552FY2025 |
| Friends of the Burlington Public Library FoundationBurlington | Form 990 | $386,425FY2025 |
| Friends of the Muscatine FfaMuscatine | Form 990 | $383,945FY2025 |
| Rotary Club of Des MoinesUrbandale | Form 990 | $355,861FY2025 |