| Harrison County Genealogical SocietyWoodbine | Form 990-N | No figure |
| Jefferson Monroe Friends of the LibrarySwisher | Form 990-N | No figure |
| Washington Township Consolidated School FoundationPerry | Form 990-N | No figure |
| Roosevelt Elementary School Parent Teacher OrganizationMason City | Form 990-N | No figure |
| Hiawatha PTOHiawatha | Form 990-N | No figure |
| Friends of the Anamosa Public LibraryAnamosa | Form 990-N | No figure |
| Princeton Emergency Responders AssociationPrinceton | Form 990-N | No figure |
| Iowa Chapter of the American Concrete InstituteAnkeny | Form 990-N | No figure |
| I Can ReadCoralville | Form 990-N | No figure |
| Friends of Johnston ElpJohnston | Form 990-N | No figure |
| Robert Lucas Parent-Teacher OrganizationIowa City | Form 990-N | No figure |
| Friends of Sanborn Public LibrarySanborn | Form 990-N | No figure |
| West Bend Friends of the Library IncWest Bend | Form 990-N | No figure |
| Northeast Hamilton School FoundationWilliams | Form 990-N | No figure |
| Friends of the Armstrong Public LibraryArmstrong | Form 990-N | No figure |
| Mitchellville Public Library FoundationMitchellville | Form 990-N | No figure |
| Ankeny Alumni Association IncAnkeny | Form 990-N | No figure |
| George-Little Rock Community School Educational FoundationGeorge | Form 990-N | No figure |
| Paul Petersen FoundationWyoming | Form 990-N | No figure |
| Midwest Area Biosafety NetworkAmes | Form 990-N | No figure |
| The Friends of the Ankeny LibraryAnkeny | Form 990-N | No figure |
| Iowa Women in AgricultureAnkeny | Form 990-N | No figure |
| Friends of the Preston Public LibraryPreston | Form 990-N | No figure |
| Friends of the Center Point Library IncCenter Point | Form 990-N | No figure |
| Durant Community School Education FoundationDurant | Form 990-N | No figure |
| Altrusa International Foundation IncMiddletown | Form 990-N | No figure |
| Bellevue Columbian Club IncBellevue | Form 990-N | No figure |
| RandomkidWaukee | Form 990-N | No figure |
| Friends of the Elkader PubliclibraryElkader | Form 990-N | No figure |
| Donald D Griffith Jr FoundationMechanicsville | Form 990-N | No figure |
| Washington Middle School PTO IncDubuque | Form 990-N | No figure |
| Sapphire Gymnastics Booster ClubUrbandale | Form 990-N | No figure |
| Ace Mentor Program of America IncUrbandale | Form 990-N | No figure |
| Dallas Center Public LibraryfoundationDallas Center | Form 990-N | No figure |
| Iowa Quad Cities Rotary FoundationDavenport | Form 990-N | No figure |
| Friends of the Rock Rapids LibraryRock Rapids | Form 990-N | No figure |
| Friends of the Britt Public LibraryBritt | Form 990-N | No figure |
| Northwood Kensett Community Educational FoundationNorthwood | Form 990-N | No figure |
| Anesthesia History AssociationIowa City | Form 990-N | No figure |
| Friends of the Drake Public LibraryCenterville | Form 990-N | No figure |
| Decorah Youth Sports AssociationincDecorah | Form 990-N | No figure |
| Iowa State Association of Countieseducation Foundation IncWest Des Moines | Form 990-N | No figure |
| The Class of 5-25-77 Scholarship IncOskaloosa | Form 990-N | No figure |
| Optasia Ministry IncDes Moines | Form 990-N | No figure |
| Kansas Beta Educational FoundationDes Moines | Form 990-N | No figure |
| 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 |