| Marshalltown Auditorium FoundationMarshalltown | Form 990-N | No figure |
| Sheldon Historical SocietySheldon | Form 990-N | No figure |
| Latimer Community ClubLatimer | Form 990-N | No figure |
| Alpha Omega Alpha Honor Medical SocietyIowa City | Form 990-N | No figure |
| Izaak Walton League of America IncGrinnell | Form 990-N | No figure |
| Cedar Amateur Astronomers IncCedar Rapids | Form 990-N | No figure |
| North Central Iowa Genealogical SocietyMason City | Form 990-N | No figure |
| Birthright of Keokuk IncKeokuk | Form 990-N | No figure |
| Northwood Senior Center IncNorthwood | Form 990-N | No figure |
| Humboldt County Hospice FoundationHumboldt | Form 990-N | No figure |
| Lennox Music BoostersLenox | Form 990-N | No figure |
| Madison County Geneological SocietyEarlham | Form 990-N | No figure |
| Technology Student AssociationLinden | Form 990-N | No figure |
| Boone County Child Abuse Resources and Educational Services IncBoone | Form 990-N | No figure |
| Community of the Living WordEldridge | Form 990-N | No figure |
| Woodbury County Genealogical SocietySioux City | Form 990-N | No figure |
| Monroe County Council on AgingAlbia | Form 990-N | No figure |
| Cedar Falls Arts Alive IncCedar Falls | Form 990-N | No figure |
| Washington County Genealogical SocietyWashington | Form 990-N | No figure |
| Avenue of Flags IncSpencer | Form 990-N | No figure |
| Sutliff Bridge AuthorityLisbon | Form 990-N | No figure |
| Sigma Phi Chi SororityDavenport | Form 990-N | No figure |
| American Guild of Organists AgoDes Moines | Form 990-N | No figure |
| Clear Lake Area Concert Association IncorporatedClear Lake | Form 990-N | No figure |
| Illowa Orchid SocietyNorth Liberty | Form 990-N | No figure |
| Jasper County Concert Association IncNewton | Form 990-N | No figure |
| Rock Rapids United FundRock Rapids | Form 990-N | No figure |
| Clay County Pals IncSpencer | Form 990-N | No figure |
| Izaak Walton League of America IncMaquoketa | Form 990-N | No figure |
| Izaak Walton League of America IncMiles | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionBellevue | Form 990-N | No figure |
| Pella Arts CouncilPella | Form 990-N | No figure |
| Izaak Walton League of America IncAlgona | Form 990-N | No figure |
| Columbus Community Senior Center IncColumbus Junction | Form 990-N | No figure |
| Clayton County Genealogical SocietyElkader | Form 990-N | No figure |
| National TTT SocietyWest Des Moines | Form 990-N | No figure |
| Iowa Organization for Victim AssistanceDes Moines | Form 990-N | No figure |
| Filipino-American Association of IowaDes Moines | Form 990-N | No figure |
| Country Road Players LtdSpillville | Form 990-N | No figure |
| Ely Iowa Friends of the Public LibraryEly | Form 990-N | No figure |
| West Point Area Historical SocietyWest Point | Form 990-N | No figure |
| Lucas County Genealogical SocietyChariton | Form 990-N | No figure |
| Minburn Area FirefightersMinburn | Form 990-N | No figure |
| Bentonsport Improvement AssociationKeosauqua | Form 990-N | No figure |
| Izaak Walton League of America IncWaverly | Form 990-N | No figure |
| Patent Pending PlayersSwea City | Form 990-N | No figure |
| Izaak Walton League of America IncBloomfield | Form 990-N | No figure |
| Little League Baseball IncCenterville | Form 990-N | No figure |
| PTA Iowa CongressDes Moines | Form 990-N | No figure |
| Polk County Biomedical ConsortiumDes Moines | Form 990-N | No figure |