| Knudson FoundationCouncil Bluffs | Form 990-N | No figure |
| Chariton High School Alumni AssociationChariton | Form 990-N | No figure |
| Cowles Montessori Parents GroupWindsor Heights | Form 990-N | No figure |
| Amanda Roberts Foundation IncIndianola | Form 990-N | No figure |
| Tall Corn Dental SymposiumMason City | Form 990-N | No figure |
| Webster City Rotary Club Rotary I NternationalWebster City | Form 990-N | No figure |
| Iowa Reading AssociationGlenwood | Form 990-N | No figure |
| East High Alumni AssociationDes Moines | Form 990-N | No figure |
| Lillard-Miller Scholarship Fund IncWinterset | Form 990-N | No figure |
| Table Mound Parent-Teacher ClubDubuque | Form 990-N | No figure |
| Society of Nuclear Medicine & Molecular Imaging-Mo Valley ChaptrWinterset | Form 990-N | No figure |
| PTA Iowa CongressDavenport | Form 990-N | No figure |
| Friends of the Musser Public LibraryMuscatine | Form 990-N | No figure |
| Orange Parent AssociationWaterloo | Form 990-N | No figure |
| Mercy School of Nursing AlumniassociationDubuque | Form 990-N | No figure |
| Waukee Leadership InstituteWaukee | Form 990-N | No figure |
| Glenwood Public Library FoundationGlenwood | Form 990-N | No figure |
| Des Moines Buccaneers Booster ClubWest Des Moines | Form 990-N | No figure |
| Runnells Community Library FoundationRunnells | Form 990-N | No figure |
| Helen Welter Foundation IncAtlantic | Form 990-N | No figure |
| Linn Grove PTOMarion | Form 990-N | No figure |
| Friends of Prescott SchoolPrescott | Form 990-N | No figure |
| Friends of the Griswold Public LibraryGriswold | Form 990-N | No figure |
| Central Springs Booster ClubManly | Form 990-N | No figure |
| Fellows Elementary School PTO IncAmes | Form 990-N | No figure |
| Casey Spears Memorial ScholarshipKnoxville | Form 990-N | No figure |
| West Wind Education Policy FoundationCedar Rapids | Form 990-N | No figure |
| Timber Ridge Elementary Parent Teacher OrganizationJohnston | Form 990-N | No figure |
| Carroll Public Library FoundationCarroll | Form 990-N | No figure |
| Prairie City Elementary Parent-Teacher Organization IncPrairie City | Form 990-N | No figure |
| Iowa Academy of EducationIowa City | Form 990-N | No figure |
| Bondurant Community Library FoundationBondurant | Form 990-N | No figure |
| Progressive Action for the Common GoodBettendorf | Form 990-N | No figure |
| Samuelson Elementary School Parent Teacher OrganizationDes Moines | Form 990-N | No figure |
| Friends of Earlham Public LibraryEarlham | Form 990-N | No figure |
| Northeast Community School District Education FoundationGoose Lake | Form 990-N | No figure |
| Cougar Betterment Foundation IncSumner | Form 990-N | No figure |
| Friends of the Hiawatha Public Library IncHiawatha | Form 990-N | No figure |
| Waco Community Schools Music Boosters IncWayland | Form 990-N | No figure |
| Hamburg Booster Club IncHamburg | Form 990-N | No figure |
| Sarva Sree FoundationIowa City | Form 990-N | No figure |
| Northbend PTGNorth Liberty | Form 990-N | No figure |
| Peace IowaIowa City | Form 990-N | No figure |
| National Institute of Governmental Purchasing IncDes Moines | Form 990-N | No figure |
| Jordan Creek Elementary School Parent-Faculty ClubWest Des Moines | Form 990-N | No figure |
| Iowa Irish IncWest Des Moines | Form 990-N | No figure |
| Jazz Educators of IowaPella | Form 990-N | No figure |
| Nonprofit Videogame Development Group IncorporatedUrbandale | Form 990-N | No figure |
| Education Foundation of Ankeny Christian AcademyElkhart | Form 990-N | No figure |
| Hoover-Meredith Learning Community FoundationDes Moines | Form 990-N | No figure |