| National Society of the Daughters of the American RevolutionNewton | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionClinton | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionSalem | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionWest Burlington | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionMarshalltown | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionAnamosa | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionMason City | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionCedar Rapids | Form 990-N | No figure |
| Robert F Kennedy-Martin Luther King Memorial Fund IncOttumwa | Form 990-N | No figure |
| Opera House IncWhat Cheer | Form 990-EZ | $0FY2025 |
| Crawford County Fine Arts CouncilDenison | Form 990-N | No figure |
| National TTT SocietyWest Des Moines | Form 990-N | No figure |
| National TTT SocietyWest Des Moines | Form 990-N | No figure |
| National TTT SocietyWest Des Moines | Form 990-N | No figure |
| National TTT SocietyWest Des Moines | Form 990-N | No figure |
| Alpha Phi OmegaDes Moines | Form 990-N | No figure |
| Cedar Rapids Area Theatre Organ SocietyEly | Form 990-N | No figure |
| National TTT SocietyWest Des Moines | Form 990-N | No figure |
| Scott County Historical Society IncEldridge | Form 990-N | No figure |
| Big Bluestem Audubon SocietyAmes | Form 990-N | No figure |
| PTA Iowa CongressBlue Grass | Form 990-N | No figure |
| PTA Iowa CongressIowa City | Form 990-N | No figure |
| Toastmasters InternationalMuscatine | Form 990-N | No figure |
| Toastmasters InternationalSolon | Form 990-N | No figure |
| Worth County Historical SocietyNorthwood | Form 990-N | No figure |
| Toastmasters InternationalSioux City | Form 990-N | No figure |
| Iowa Archaeological SocietyIowa City | Form 990-N | No figure |
| Belmond Community Center IncBelmond | Form 990-N | No figure |
| Psi Chi the National Honor Society in PsychologyAmes | Form 990-N | No figure |
| Birthright of Dubuque IncDubuque | Form 990-N | No figure |
| Iowa Ornithologists UnionClive | Form 990-N | No figure |
| Crawford County Historical SocietyDenison | Form 990-N | No figure |
| Keokuk Community Fine Arts CouncilKeokuk | Form 990-N | No figure |
| PTA Iowa CongressLe Claire | Form 990-N | No figure |
| National TTT SocietyWest Des Moines | Form 990-N | No figure |
| National Society of the Sons of the American RevolutionCedar Falls | Form 990-N | No figure |
| Society for Italian Historical StudiesGrinnell | Form 990-N | No figure |
| Washington County Historical SocietyWashington | Form 990-N | No figure |
| Iowa Nurses FoundationEarlham | Form 990-N | No figure |
| Little League Baseball IncGranger | Form 990-N | No figure |
| Friends of Foreign Wives IncAmes | Form 990-N | No figure |
| American Fisheries SocietySpirit Lake | Form 990-N | No figure |
| Hardin County Historical SocietyEldora | Form 990-N | No figure |
| Serra InternationalWest Des Moines | Form 990-N | No figure |
| Iowa ArtistsCedar Falls | Form 990-N | No figure |
| National Society of the Children of the American RevolutionDubuque | Form 990-N | No figure |
| Arc of IowaFairfield | Form 990-N | No figure |
| Birthright of Iowa CityIowa City | Form 990-N | No figure |
| Respect for Life IncEstherville | Form 990-N | No figure |
| League of Women Voters of IowaAmes | Form 990-N | No figure |