| Birthright of Cedar Rapids IncCedar Rapids | Form 990-EZ | $91,012FY2025 |
| Lake Darling Youth Center IncWashington | Form 990-EZ | $90,991FY2025 |
| Manning Community Services IncManning | Form 990-EZ | $90,635FY2026 |
| Greater Des Moines Catholic Football League IncCumming | Form 990-EZ | $90,256FY2025 |
| Creston-Arts IncCreston | Form 990 | $88,444FY2025 |
| Adventures in Social Development AsdJohnston | Form 990-EZ | $88,342FY2025 |
| Senior Citizens Hospitality CenterDecorah | Form 990-EZ | $88,274FY2025 |
| Friends of Historic PreservationIowa City | Form 990-EZ | $88,244FY2025 |
| Friends of the Waterloo Public LibraryWaterloo | Form 990-EZ | $87,931FY2025 |
| Davis County Fine Arts CouncilBloomfield | Form 990-EZ | $87,762FY2025 |
| Mitchell County Historical SocietyOsage | Form 990 | $86,989FY2025 |
| Ames Town and Gown Chamber Music AssociationAmes | Form 990-EZ | $86,577FY2025 |
| Spencer Little League AssnSpencer | Form 990-EZ | $86,136FY2025 |
| Midwest Bible CampCedar Rapids | Form 990-EZ | $85,556FY2025 |
| Story County Medical Center Endowment Foundation IncNevada | Form 990 | $84,236FY2025 |
| Laborers with ChristAlta | Form 990-EZ | $84,197FY2025 |
| Katherine B Hahn TrustMuscatine | Form 990 | $83,231FY2025 |
| Central Lee Community School District FoundationMontrose | Form 990 | $82,973FY2025 |
| Hospers Area Development CorporationHospers | Form 990 | $82,946FY2024 |
| Burlington Athletic Booster Club IncBurlington | Form 990-EZ | $82,156FY2026 |
| West Hancock Scholarship and Loan Fund IncBritt | Form 990 | $81,049FY2025 |
| Iowa Chapter of the American Academy of PediatricsDes Moines | Form 990-EZ | $80,092FY2025 |
| Belmond Public Library FoundationBelmond | Form 990-EZ | $78,873FY2025 |
| Iowa SharesIowa City | Form 990-EZ | $78,750FY2025 |
| River City Society for Historic PreservationMason City | Form 990 | $78,163FY2025 |
| Izaak Walton League of America IncDenison | Form 990 | $77,968FY2025 |
| Friends of the Burlington Public LibraryBurlington | Form 990-EZ | $77,528FY2026 |
| Sidney Volunteer Fire & RescueSidney | Form 990-EZ | $77,330FY2024 |
| Monroe County Helping Hands Center IncAlbia | Form 990-EZ | $77,122FY2024 |
| Holy Trinity Foundation IncDes Moines | Form 990 | $76,934FY2025 |
| St Ansgar First RespondersSaint Ansgar | Form 990-EZ | $76,000FY2025 |
| Norwalk Schools Music BoostersNorwalk | Form 990-EZ | $75,719FY2026 |
| Friends of the Council Bluffs Public Library IncCouncil Bluffs | Form 990-EZ | $75,547FY2024 |
| Basic Fund IncSchleswig | Form 990 | $75,219FY2025 |
| Sioux County Historical SocietyOrange City | Form 990 | $74,404FY2026 |
| Taylor County Historical Society IncBedford | Form 990-EZ | $74,152FY2025 |
| National Association of Housing & Redevelopment OfficialsManning | Form 990-EZ | $74,018FY2025 |
| North Scott Athletic Booster Club IncorporatedEldridge | Form 990 | $73,464FY2025 |
| Madrid Educational Endowment FoundationMadrid | Form 990 | $72,949FY2025 |
| Meals on Wheels of Mason City IncMason City | Form 990-EZ | $72,934FY2025 |
| Community Historical SocietyMaxwell | Form 990 | $72,254FY2024 |
| Wapello Co Sheriffs Reserves IncOttumwa | Form 990-EZ | $71,509FY2025 |
| Love for Red IncWest Des Moines | Form 990-EZ | $70,796FY2025 |
| Jewish Welfare Fund of Cedar RapidsCedar Rapids | Form 990 | $70,084FY2025 |
| Blairs Ferry Housing IncCedar Rapids | Form 990-EZ | $70,011FY2025 |
| Future Farmers of America State Associations & Local ChapterAnkeny | Form 990-EZ | $69,400FY2025 |
| P H C C C IncParkersburg | Form 990 | $67,970FY2025 |
| Carson Business ClubCarson | Form 990-EZ | $67,073FY2024 |
| City Improvement AssociationCharles City | Form 990 | $67,010FY2025 |
| Helping Hands Food PantryKnoxville | Form 990-EZ | $66,964FY2025 |