| Blue Star Mothers of America IncJohnston | Form 990-EZ | $112,214FY2025 |
| Road Runners Club of AmericaCedar Rapids | Form 990-EZ | $111,165FY2024 |
| Association for Supervision and Curriculum DevelopmentMoville | Form 990-EZ | $110,892FY2025 |
| Dow City Arion Community Fire Department IncDow City | Form 990-EZ | $110,625FY2025 |
| Bcluw Community School District FoundationConrad | Form 990 | $109,575FY2025 |
| United Fund of Grinnell Iowa IncGrinnell | Form 990-EZ | $109,546FY2025 |
| Sheldon Community School Educational FoundationSheldon | Form 990 | $109,204FY2025 |
| Fort Madison Area Arts AssociationFort Madison | Form 990-EZ | $108,857FY2025 |
| Indianola Soccer Tribe IncIndianola | Form 990-EZ | $108,131FY2024 |
| Rock Valley Residential Housing IncRock Valley | Form 990-EZ | $108,098FY2025 |
| Buena Vista County Historical SocietyStorm Lake | Form 990-EZ | $107,517FY2025 |
| Neighborhood Food Bank IncorporatedForest City | Form 990-EZ | $106,708FY2025 |
| Little League Baseball IncLe Mars | Form 990-EZ | $106,665FY2025 |
| Henry County Health Center FoundationMount Pleasant | Form 990 | $106,106FY2025 |
| Benton County Food PantryVinton | Form 990-EZ | $105,312FY2025 |
| Society for Preservation & Encrgmnt of Barbershop Quartet Singing AmerWaterloo | Form 990-EZ | $105,263FY2025 |
| Creston Activities Booster Club IncCreston | Form 990 | $103,812FY2025 |
| Junior Theatre IncDavenport | Form 990-EZ | $103,794FY2026 |
| Little League Baseball IncJohnston | Form 990-EZ | $103,315FY2025 |
| Vinton Community FoundationVinton | Form 990 | $103,225FY2024 |
| Bill Evans Foundation for Kids IncCarroll | Form 990 | $103,055FY2025 |
| Griswold Volunteer Fire Association IncGriswold | Form 990-EZ | $102,669FY2024 |
| Lenox Community TrustLenox | Form 990 | $101,733FY2024 |
| Turn in Poachers of Iowa IncorporatedPella | Form 990-EZ | $101,039FY2025 |
| Okoboji Protective AssociationOkoboji | Form 990-EZ | $100,898FY2025 |
| Good Neighbor Fund Okoboji Spirit Lake TerritorySpirit Lake | Form 990 | $100,512FY2026 |
| Cadet Athletic Boosters IncIowa Falls | Form 990-EZ | $99,576FY2025 |
| Little Rock Town and Country IncLittle Rock | Form 990-EZ | $99,108FY2025 |
| Montgomery County Historical SocietyRed Oak | Form 990 | $98,663FY2026 |
| Pocahontas Community FoundationPocahontas | Form 990-EZ | $98,524FY2025 |
| Ottumwa Symophony Orchestra FoundationOttumwa | Form 990-EZ | $97,471FY2025 |
| Cedar Rapids Choral AssociationCedar Rapids | Form 990-EZ | $97,452FY2025 |
| Siouxland Sharks Swimming ClubSioux City | Form 990-EZ | $96,876FY2025 |
| Kum Along Citizens Club IncForest City | Form 990-EZ | $96,634FY2025 |
| Dodger Playschool IncFort Dodge | Form 990-EZ | $96,612FY2025 |
| Izaak Walton League of America IncOskaloosa | Form 990-EZ | $96,216FY2025 |
| Band and Orchestra BoostersFort Dodge | Form 990-EZ | $96,208FY2025 |
| Backbone Lake Promotion Association IncStrawberry Point | Form 990-EZ | $96,197FY2024 |
| Players Workshop IncorporatedBurlington | Form 990-EZ | $95,610FY2025 |
| Kings Engineering FellowshipOrange City | Form 990 | $95,103FY2025 |
| Delaware County Historical SocietyHopkinton | Form 990 | $95,083FY2025 |
| Heavenly Pet SanctuaryFairfield | Form 990-EZ | $94,977FY2025 |
| Osceola County Conservation LeagueSibley | Form 990-EZ | $94,777FY2025 |
| Dubuque Areas Labor HarvestDubuque | Form 990-EZ | $94,697FY2025 |
| Clinton Symphony Orchestra AssociationClinton | Form 990-EZ | $94,366FY2025 |
| Izaak Walton League of America IncPeosta | Form 990-EZ | $94,328FY2025 |
| Pella Shooters ClubOtley | Form 990-EZ | $93,614FY2025 |
| Little League Baseball IncIndianola | Form 990-EZ | $93,350FY2025 |
| Exira Home Development CorporationAlgona | Form 990-EZ | $92,958FY2025 |
| Mitchell County Food Bank CorporationOsage | Form 990-EZ | $91,307FY2025 |