| Bettendorf Community Schools FoundationBettendorf | Form 990 | $217,485FY2025 |
| Friendship Home FoundationAudubon | Form 990 | $202,064FY2024 |
| Education Foundation of the Osage Community SchoolsOsage | Form 990 | $192,539FY2024 |
| Greater Cedar Rapids Open IncCedar Rapids | Form 990-EZ | $191,783FY2024 |
| Belmond-Klemme Scholarship FDN-IIBelmond | Form 990 | $180,910FY2024 |
| Community Foundation of Jackson CountyMaquoketa | Form 990 | $179,681FY2024 |
| Traer Community FoundationTraer | Form 990 | $175,075FY2025 |
| Adel Desoto Community School District Scholarship FoundationAdel | Form 990 | $167,649FY2025 |
| Spirit of PellaPella | Form 990-EZ | $165,791FY2024 |
| McFarland Clinic FoundationAmes | Form 990-EZ | $164,123FY2025 |
| Polk County Bar Association Volunteer Lawyers ProjectDes Moines | Form 990-EZ | $163,228FY2025 |
| Mission Honduras Lemars IncLe Mars | Form 990-EZ | $161,135FY2025 |
| Linn-Mar Boosters Club IncMarion | Form 990 | $158,737FY2025 |
| Main Street Keokuk IncKeokuk | Form 990-EZ | $158,422FY2025 |
| Agribusiness Association of Iowa FoundationDes Moines | Form 990 | $150,931FY2025 |
| Faith Community FoundationWest Des Moines | Form 990 | $147,874FY2025 |
| O Donnell & Friends CharitiesDes Moines | Form 990-EZ | $145,458FY2023 |
| Mediapolis Education FoundationMediapolis | Form 990 | $139,927FY2024 |
| Clay County Fair Charitable TrustSpencer | Form 990 | $138,955FY2025 |
| Hav LifeDavenport | Form 990-EZ | $136,494FY2025 |
| Life Investors Fortunaires Club Charitable Foundation IncCedar Rapids | Form 990 | $132,497FY2025 |
| Carnegie-Stout Public Library FoundationDubuque | Form 990 | $131,883FY2025 |
| EndowgliddenGlidden | Form 990-EZ | $131,422FY2025 |
| Palo Alto County Health Care FoundationEmmetsburg | Form 990 | $128,635FY2025 |
| Walnut Community Center Foundation IncWalnut | Form 990-EZ | $121,643FY2025 |
| Hughes Memorial TRManchester | Form 990 | $116,238FY2025 |
| Appanoose County FoundationCenterville | Form 990 | $109,687FY2024 |
| Webster City Community School FoundationWebster City | Form 990 | $108,745FY2024 |
| Medical Assistance FoundationFairfield | Form 990-EZ | $108,602FY2025 |
| Kailees Fight Club IncMarion | Form 990-EZ | $104,624FY2025 |
| Mitchell County Memorial Foundation IncOsage | Form 990 | $103,485FY2025 |
| Hansen Family Hospital FoundationIowa Falls | Form 990 | $102,311FY2025 |
| Grafton Community Action IncGrafton | Form 990-EZ | $99,532FY2025 |
| Brooklyn Community Foundation IncBrooklyn | Form 990 | $97,781FY2024 |
| Fight with Austin Flash Schroeder FoundationCoralville | Form 990-EZ | $97,718FY2025 |
| Nevada Masonic FoundationNevada | Form 990-EZ | $96,974FY2025 |
| Ancient and Effervescent Order Ofthe Little Yellow DogSioux City | Form 990-EZ | $90,499FY2025 |
| Indianola Community Parks and Recreation Foundation IncIndianola | Form 990-EZ | $86,596FY2025 |
| Corinthian Baptist Community Development CorporationDes Moines | Form 990-EZ | $86,163FY2025 |
| Kids Against Hunger - Your Quad CitiesBettendorf | Form 990-EZ | $81,995FY2025 |
| 100 Plus Men on a Mission-Red RockPella | Form 990-EZ | $81,522FY2025 |
| Lowden Charitable Trust IncLowden | Form 990-EZ | $80,841FY2025 |
| Rotary Club of Cedar Falls Charitable FoundationCedar Falls | Form 990-EZ | $80,641FY2025 |
| Friends of CMH Sumner Community Memorial Hospital FoundationSumner | Form 990 | $80,040FY2024 |
| United Way of Boone County Iowa IncBoone | Form 990-EZ | $76,887FY2025 |
| Lighthouse Center of HopeIowa Falls | Form 990-EZ | $76,516FY2025 |
| Rotary Club of Ames FoundationAmes | Form 990-EZ | $76,146FY2025 |
| Gateway Area FoundationClinton | Form 990 | $74,089FY2025 |
| Council Bluffs Chamber of Commerce Foundation IncCouncil Bluffs | Form 990-EZ | $73,383FY2025 |
| Clara Latham Memorial Park TrustSioux City | Form 990-EZ | $70,025FY2025 |