| PTA Iowa CongressCedar Rapids | Form 990-N | No figure |
| Interreligious Council of Linn County IncorporatedCedar Rapids | Form 990-N | No figure |
| Story County Chapter of the Iowa Genelogical SocietyAmes | Form 990-N | No figure |
| Servant Unique Family MinistriesWaterloo | Form 990-N | No figure |
| Toastmasters InternationalMuscatine | Form 990-N | No figure |
| Association of Fundraising ProfessionalsCedar Rapids | Form 990-N | No figure |
| American Institute of Aeronautics and AstronauticsCedar Rapids | Form 990-N | No figure |
| PTA Iowa CongressBettendorf | Form 990-N | No figure |
| Iowa State Al Anon Family Groups Assembly IncBettendorf | Form 990-N | No figure |
| PTA Iowa CongressMount Pleasant | Form 990-N | No figure |
| PTA Iowa CongressIowa City | Form 990-N | No figure |
| Oskaloosa Education Foundation IncorporatedOskaloosa | Form 990-N | No figure |
| PTA Iowa CongressDes Moines | Form 990-N | No figure |
| National Federation of Music ClubsCouncil Bluffs | Form 990-N | No figure |
| Humboldt Fire Rescue AssociationHumboldt | Form 990-N | No figure |
| National TTT SocietyWest Des Moines | Form 990-N | No figure |
| PTA Iowa CongressCherokee | Form 990-N | No figure |
| Norwalk Firefighters Association IncNorwalk | Form 990-N | No figure |
| Toys for Christmas IncOsceola | Form 990-N | No figure |
| Friends of Iowa Civil Rights IncDes Moines | Form 990-N | No figure |
| PTA Iowa CongressNewton | Form 990-N | No figure |
| Central Iowa Tennis AllianceAdel | Form 990-N | No figure |
| Road Runners Club of AmericaSioux City | Form 990-N | No figure |
| Lohrville Visions IncLohrville | Form 990-N | No figure |
| Future Farmers of America and Its State Associations & Local ChapterCarroll | Form 990-N | No figure |
| Dickinson Soil & Water Conservation District FoundationSpirit Lake | Form 990-N | No figure |
| Little League Baseball IncBondurant | Form 990-N | No figure |
| Indian Creek Chapter Izaak Walton LeagueNevada | 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 |
| PTA Iowa CongressClinton | Form 990-N | No figure |
| PTA Iowa CongressPolk City | Form 990-N | No figure |
| National TTT SocietyWest Des Moines | Form 990-N | No figure |
| PTA Iowa CongressDes Moines | Form 990-N | No figure |
| Psi Chi the National Honor Society in PsychologyIndianola | Form 990-N | No figure |
| PTA Iowa CongressPleasant Hill | Form 990-N | No figure |
| Trout UnlimitedOskaloosa | Form 990-N | No figure |
| Toastmasters InternationalMarion | Form 990-N | No figure |
| Infragard National Members Alliance IncGrimes | Form 990-N | No figure |
| Toastmasters InternationalFort Madison | Form 990-N | No figure |
| La Leche League of the United States of AmericaDe Witt | Form 990-N | No figure |
| La Leche League of the United States of AmericaClinton | Form 990-N | No figure |
| La Leche League of the United States of AmericaWindsor Heights | Form 990-N | No figure |
| La Leche League of the United States of AmericaAmes | Form 990-N | No figure |
| PTA Iowa CongressAltoona | Form 990-N | No figure |
| Trout UnlimitedDecorah | Form 990-N | No figure |
| Music Under the Stars IncDes Moines | Form 990-N | No figure |
| 4-H Clubs & Affiliated 4-H OrganizationsDecorah | Form 990-N | No figure |
| Charles W Thomas & Bertha L Thomas Educational Loan FundCoon Rapids | Form 990-N | No figure |
| League of Women Voters of IowaDubuque | Form 990-N | No figure |