| Friends of the Hull Public Library IncHull | Form 990-N | No figure |
| New Virginia Public LibraryNew Virginia | Form 990-N | No figure |
| Northeast Iowa Weavers & Spinners GuildWaterloo | Form 990-N | No figure |
| Marion County Historical SocietyKnoxville | Form 990-N | No figure |
| Sunnyside Parent Teacher OrganizationBurlington | Form 990-N | No figure |
| Stewart Boosters IncWashington | Form 990-N | No figure |
| Raggedy Ann & Andy PreschoolDysart | Form 990-N | No figure |
| Unogeo InstituteNevada | Form 990-N | No figure |
| Friends of the Mt Pleasant Public Library IncMount Pleasant | Form 990-N | No figure |
| Iowa Talented and GiftedDes Moines | Form 990-EZ | $0FY2025 |
| Iowa Council of Teachers of EnglishUrbandale | Form 990-N | No figure |
| Herbert Hoover Parent Teacher OrganizaionMason City | Form 990-N | No figure |
| Cass County Genealogical SocietyAtlantic | Form 990-N | No figure |
| Lost Nation Booster ClubLost Nation | Form 990-N | No figure |
| Martensdale St Marys Parent Teacher OrganizationMartensdale | Form 990-N | No figure |
| PTA Iowa CongressDes Moines | Form 990-N | No figure |
| Music Teachers National Association IncWaterloo | Form 990-N | No figure |
| PTA Iowa Congress Eisenhower Elementary PTADavenport | Form 990-N | No figure |
| Friends of the North Side LibraryDes Moines | Form 990-N | No figure |
| Abraham Lincoln High School Band BoostersCouncil Bluffs | Form 990-N | No figure |
| Central Iowa Beekeepers AssociationDes Moines | Form 990-N | No figure |
| Northeast Elementary Parent Teacher OrganizationGoose Lake | Form 990-N | No figure |
| Bobcat Boosteer ClubMarshalltown | Form 990-EZ | $0FY2025 |
| Southwest Iowa Educational Foundation IncCouncil Bluffs | Form 990-N | No figure |
| Merrill Middle School PTADes Moines | Form 990-N | No figure |
| Friends of the Oskaloosa Public LibraryOskaloosa | Form 990-N | No figure |
| Iowa Academic Decathlon AssociationLake Park | Form 990-N | No figure |
| Friends of West Branch Public LibraryWest Branch | Form 990-N | No figure |
| Iowa Engineering Foundation IncWest Des Moines | Form 990-N | No figure |
| Friends of International StudentsIowa City | Form 990-N | No figure |
| Leadership Sioux CitySioux City | Form 990-N | No figure |
| Friends of the Onawa Public LibraryOnawa | Form 990-N | No figure |
| Lincoln High School Band BoostersDes Moines | Form 990-N | No figure |
| Iowa Association of Retired and Senior Volunteer Program DirectorsMount Pleasant | Form 990-N | No figure |
| Meeker Elementary School Parent- Teacher OrganizationAmes | Form 990-N | No figure |
| Harrison at Madison Elementary PTOCedar Rapids | Form 990-N | No figure |
| Marquerite Lord Educational TrustIda Grove | Form 990-N | No figure |
| Danville Enhancement Commission IncDanville | Form 990-N | No figure |
| Lutheran Educational Assistance Fund IncClarinda | Form 990-N | No figure |
| Eagle Grove Memorial Library Non Profit CorporationEagle Grove | Form 990-N | No figure |
| Siouxland Gem & Mineral SocietySioux City | Form 990-N | No figure |
| Ernest Horn School PTOIowa City | Form 990-N | No figure |
| The Friends of the Bloomfield LibraryBloomfield | Form 990-N | No figure |
| Uni Suzuki Strings AssocCedar Falls | Form 990-N | No figure |
| Carroll High School Alumni & FriendsCarroll | Form 990-N | No figure |
| Loess Hills Hospitality Association IncMoorhead | Form 990-N | No figure |
| Mark Twain P T OIowa City | Form 990-N | No figure |
| Friends of the Monticello Public Library IncMonticello | Form 990-N | No figure |
| Friends of the Tipton Public LibraryTipton | Form 990-N | No figure |
| Friends of the Pleasant Hill Public Library IncPleasant Hill | Form 990-N | No figure |