| Home Builders Association of Iowa Educational CorporationDes Moines | Form 990-N | No figure |
| Red Oak PTO IncRed Oak | Form 990-N | No figure |
| Jace Vandenberg Memorial Scholarship FoundationIreton | Form 990-N | No figure |
| Emmet County Nature CenterfoundationWallingford | Form 990-N | No figure |
| Harding Elementary Parent Teacher OrganizationMason City | Form 990-N | No figure |
| All-Sports Booster Club of Springville Secondary School IncSpringville | Form 990-EZ | $23,790FY2024 |
| Collins-Maxwell Athletic BoostersMaxwell | Form 990-EZ | $23,605FY2024 |
| Des Moines Coin Club IncDes Moines | Form 990-N | No figure |
| Friends of the Blakesburg Public LibraryBlakesburg | Form 990-N | No figure |
| Parent Booster USA IncDavenport | Form 990-EZ | $21,759FY2025 |
| Pleasant Valley Band Parent AssociationBettendorf | Form 990 | $21,278FY2026 |
| Jefferson Parent-Teacher OrganizationMason City | Form 990-N | No figure |
| Iowa City Music Auxiliary IncCoralville | Form 990-N | No figure |
| George Washington Carver Elementary School Parent-Teacher GroupDubuque | Form 990-N | No figure |
| Kate Wickham Elementary School PTOCoralville | Form 990-N | No figure |
| Quad Cities Nepalese Society IncBettendorf | Form 990-N | No figure |
| Van Meter Educational FoundationVan Meter | Form 990-N | No figure |
| Denison Community Education FoundationDenison | Form 990-N | No figure |
| Dallas Center-Grimes Community Schools Friends of Fine Arts IncGrimes | Form 990-N | No figure |
| Hometown Heroes Memorial RideRockwell City | Form 990-N | No figure |
| West Liberty Youth Dream CatchersIowa City | Form 990-N | No figure |
| HLV Area Scholarship FoundationVictor | Form 990-N | No figure |
| West Point Public Library FoundationWest Point | Form 990-N | No figure |
| Sigma Alpha Sorority Educational FoundationHampton | Form 990-N | No figure |
| Austin Nyheim Memorial FundAltoona | Form 990-N | No figure |
| Keota UnlimitedKeota | Form 990-N | No figure |
| Hampton-Dumont Achievement FoundationHampton | Form 990-N | No figure |
| Urbandale Alumni FoundationUrbandale | Form 990-N | No figure |
| Spirit Lake Middle School Partners in EducationSpirit Lake | Form 990-N | No figure |
| The Gentlemens ClubWest Burlington | Form 990-N | No figure |
| Davis County Community Library FoundationBloomfield | Form 990-N | No figure |
| Iowa Girl FoundationWest Des Moines | Form 990-N | No figure |
| Le Blue House Foundation IncMilford | Form 990-N | No figure |
| Friends of Pleasant Creek State Recreation Area IncPalo | Form 990-N | No figure |
| Penn Elementary PTONorth Liberty | Form 990-N | No figure |
| Threshold Learning CenterZearing | Form 990-N | No figure |
| Estherville Lincoln Central PatronsEstherville | Form 990-N | No figure |
| Catholic Education Foundation IncStacyville | Form 990-N | No figure |
| Association for Professionals in Infection Control and EpidemologyWest Des Moines | Form 990-N | No figure |
| The Agriland FS FoundationWinterset | Form 990-N | No figure |
| Carlisle Performing Arts BoostersCarlisle | Form 990-N | No figure |
| Muscatine Orchestra BoostersMuscatine | Form 990-N | No figure |
| Oskaloosa Elementary PTOOskaloosa | Form 990-N | No figure |
| Korean American Society of IowaAnkeny | Form 990-N | No figure |
| Eisenhower Elementary PTODubuque | Form 990-N | No figure |
| Collins-Maxwell Partners in EducationCollins | Form 990-N | No figure |
| Muscatine Productions BoostersMuscatine | Form 990-N | No figure |
| Friends of the Granger Public LibraryGranger | Form 990-N | No figure |
| Iowa Master Farmer FoundationMondamin | Form 990-N | No figure |
| Friends of the Milford Library FoundationMilford | Form 990-N | No figure |