| Alburnett Community Historical SocietyAlburnett | Form 990-N | No figure |
| Sullivan Building Foundation IncAlgona | Form 990-N | No figure |
| Dover Historial Society IncNew London | Form 990-N | No figure |
| Quad City Wind EnsembleDavenport | Form 990-N | No figure |
| Lakeview Iowa Historical SocietyLake View | Form 990-N | No figure |
| Keokuk County Arts CouncilSigourney | Form 990-N | No figure |
| Twenty-Fourth Iowa Volunteer Infantry RegimentCedar Rapids | Form 990-N | No figure |
| SS Peter & Paul Historical CorporationPocahontas | Form 990-N | No figure |
| Friends of St Patricks Chapel IncElma | Form 990-N | No figure |
| Pottawattamie County Genealogical SocietyCouncil Bluffs | Form 990-N | No figure |
| Carroll Depot Centre LtdCarroll | Form 990-N | No figure |
| Greater Des Moines Community Jazz CenterDes Moines | Form 990-N | No figure |
| Sheaffer Pen Museum IncFort Madison | Form 990-N | No figure |
| Marathon Area Historical SocietyMarathon | Form 990-N | No figure |
| Epworth Community Historical SocietyEpworth | Form 990-N | No figure |
| The Tri-State Wind Symphony IncDubuque | Form 990-N | No figure |
| Iowa Conservation and Preservation ConsortiumCedar Rapids | Form 990-N | No figure |
| Good Company a Womens Choral Ensemble IncAmes | Form 990-N | No figure |
| Project Restore FoundationStuart | Form 990-N | No figure |
| Melcher-Dallas Coalmining & Heritage MuseumMelcher-Dallas | Form 990-N | No figure |
| Brooklyn Historical Society IncBrooklyn | Form 990-N | No figure |
| Lone Tree Historical SocietyLone Tree | Form 990-N | No figure |
| Colfax Historical Society IncColfax | Form 990-N | No figure |
| State Association for the Preservation of Iowa CemeteriesGrimes | Form 990-N | No figure |
| Decorah Chorale IncDecorah | Form 990-N | No figure |
| Northwest Iowa Symphony OrchestraSioux Center | Form 990-N | No figure |
| Historic Preservation CorporationCenterville | Form 990-N | No figure |
| Howard-Winneshiek Genealogical SocietyCresco | Form 990-N | No figure |
| Winfield Historical SocietyWinfield | Form 990-N | No figure |
| Douds Historical Preservation Association IncKeosauqua | Form 990-N | No figure |
| Iowa Military Aviation MuseumAnkeny | Form 990-N | No figure |
| Austinville Historical Society IncAustinville | Form 990-N | No figure |
| Friends of the Hartley LibraryHartley | Form 990-N | No figure |
| Bennington No 4 SchoolWaterloo | Form 990-N | No figure |
| Girls of 68 Junior PioneersSioux City | Form 990-N | No figure |
| Slater Area Historical AssociationSlater | Form 990-N | No figure |
| Hardin County Farm MuseumEldora | Form 990-N | No figure |
| Opera House Preservation CommitteeBlairsburg | Form 990-N | No figure |
| Des Moines Diversity ChorusDes Moines | Form 990-N | No figure |
| Nordlys IncDecorah | Form 990-N | No figure |
| Stuart Depot Restoration IncStuart | Form 990-N | No figure |
| Anamosa State Penitentiary AssnAnamosa | Form 990-N | No figure |
| Storm Lake Parade of Flags FoundationStorm Lake | Form 990-N | No figure |
| George Maier Rural Heritage Center of Clayton County IncElkader | Form 990-N | No figure |
| Sonshine Singers IncFort Dodge | Form 990-N | No figure |
| Dysart Historical SocietyDysart | Form 990-N | No figure |
| Friends of Walnut Grove Pioneer VillageLong Grove | Form 990-N | No figure |
| Holstein Heritage Foundation IncHolstein | Form 990-N | No figure |
| Cedar Rapids Consistory Building TRCedar Rapids | Form 990-N | No figure |
| Smiling Thru Preservation GroupNewton | Form 990-N | No figure |