| Remsen-Union Community School FoundationRemsen | Form 990-N | No figure |
| Westmar University Alumni and Friends Association IncLe Mars | Form 990-N | No figure |
| North Polk Cummunity School FoundationPolk City | Form 990-N | No figure |
| Mitchell County Environmental Education FoundationOsage | Form 990-N | No figure |
| Novak Elementary Parent Teacher OrganizationMarion | Form 990-N | No figure |
| Linn-Mar Ffa AlumniMarion | Form 990-N | No figure |
| Sidney Alumni and Friends IncSidney | Form 990-N | No figure |
| Parents Association Caring for KidsMaquoketa | Form 990-N | No figure |
| Cedar Valley Woodworkers AssociationWaterloo | Form 990-N | No figure |
| Cards Club IncDes Moines | Form 990-N | No figure |
| Friends of the Creston Public LibraryCreston | Form 990-N | No figure |
| Vegan Community of Eastern IowaSolon | Form 990-N | No figure |
| Nevada Music ParentsNevada | Form 990-N | No figure |
| Traer Public Library FoundationTraer | Form 990-N | No figure |
| West Bend-Mallard Achievement FoundationWest Bend | Form 990-N | No figure |
| Johnston Middle School PTOJohnston | Form 990-N | No figure |
| Iowa Independent Automobile Dealers FoundationWest Branch | Form 990-N | No figure |
| Dysart Community Betterment CorporationDysart | Form 990-N | No figure |
| City High Alumni Association IncIowa City | Form 990-N | No figure |
| Eddyville Parent Teacher OrganizationEddyville | Form 990-N | No figure |
| Heed IncClive | Form 990-N | No figure |
| North Iowa Pharmacy IncMason City | Form 990-N | No figure |
| Bayard Betterment FoundationBayard | Form 990-N | No figure |
| Strawberry Hill Parent Teacher OrganizationAnamosa | Form 990-N | No figure |
| Friends of Coon Rapids Public LibraryCoon Rapids | Form 990-N | No figure |
| Friend of the Leclaire Community Library IncLe Claire | Form 990-N | No figure |
| Johnston Band Parents AssociationJohnston | Form 990-N | No figure |
| Rolfe EnrichmentRolfe | Form 990-N | No figure |
| Iowa Association of School Boards Foundation IncDes Moines | Form 990-N | No figure |
| Mu Omicron FoundationDes Moines | Form 990-N | No figure |
| East Mills Parent Teacher OrganizationMalvern | Form 990-N | No figure |
| Horizon Elementary School Parent Teacher Organization IncJohnston | Form 990-N | No figure |
| Dubuque Senior High School Music BoostersDubuque | Form 990-N | No figure |
| Howard - Winneshiek Community School Foundation IncCresco | Form 990-N | No figure |
| Bohumil Shimek Elementary Parent Teacher Organization IncIowa City | Form 990-N | No figure |
| Team Hoglan IncMarshalltown | Form 990-N | No figure |
| Scottish Rite Orient of IowaDes Moines | Form 990-N | No figure |
| John F Lawson Elementary School Parent-Teacher Organization IncJohnston | Form 990-N | No figure |
| Alta-Aurelia Community Educational FoundationAlta | Form 990-N | No figure |
| Cultivating Compassionate CoexistenceIowa City | Form 990-N | No figure |
| Friends of the Stanton Public Library IncStanton | Form 990-N | No figure |
| The Friends of the Van Meter Public LibraryVan Meter | Form 990-N | No figure |
| Junior Lynx RoboticsCouncil Bluffs | Form 990-N | No figure |
| Iowa Virtual Music Teachers AssociationClinton | Form 990-N | No figure |
| Clinton Firemens AssocClinton | Form 990-N | No figure |
| Malvern Community Student Loan FundMalvern | Form 990-N | No figure |
| BP Music BoostersBelle Plaine | Form 990-N | No figure |
| Thomas Jefferson Parents and Teachers AssociationNewton | Form 990-N | No figure |
| North Cedar PTOCedar Falls | Form 990-N | No figure |
| Mitchellville Elementary PTAMitchellville | Form 990-N | No figure |