| Music Teachers National Association IncBourbonnais | Form 990-N | No figure |
| Illinois Congress of Parents TeachersLake in the Hills | Form 990-N | No figure |
| Youth CommunicationChicago | Form 990-N | No figure |
| Chicago Spe Educational Foundation IncWood Dale | Form 990-N | No figure |
| Association of Illinois Middle Level SchoolsNaperville | Form 990-N | No figure |
| Illinois Congress of Parents TeachersPalatine | Form 990-N | No figure |
| Yale Club of ChicagoOrland Park | Form 990-N | No figure |
| Illinois Classical ConferenceCollinsville | Form 990-N | No figure |
| Lake County IL Genealogical SocietyMundelein | Form 990-N | No figure |
| Midwestern Educational Research AssociationMonmouth | Form 990-N | No figure |
| Jesse Owens Foundation IncChicago | Form 990-N | No figure |
| Illinois Congress of Parents TeachersNaperville | Form 990-N | No figure |
| Park Ridge Rotary Charitable FoundationPark Ridge | Form 990-N | No figure |
| The Friends of the Bloomingdale Public LibraryBloomingdale | Form 990-N | No figure |
| Valley View PTOMcHenry | Form 990-N | No figure |
| Palos Heights Womens ClubPalos Heights | Form 990-N | No figure |
| Illinois Congress of Parents TeachersEvanston | Form 990-N | No figure |
| Chicago Kendo DojoWilmette | Form 990-N | No figure |
| Friends of DowntownChicago | Form 990-N | No figure |
| Illinois Congress of Parents TeachersSilvis | Form 990-N | No figure |
| National Black Child Development Institute IncChicago | Form 990-N | No figure |
| Illinois Congress of Parents TeachersChicago | Form 990-N | No figure |
| Chicago Area Fisk University Alumni AssociationChicago | Form 990-N | No figure |
| Illinois Congress of Parents TeachersRolling Meadows | Form 990-N | No figure |
| Fermilab Friends for Science EducationBatavia | Form 990-N | No figure |
| Illinois Congress of Parents TeachersCarol Stream | Form 990-N | No figure |
| Seoul National University Alumni Association in USALombard | Form 990-EZ | $0FY2025 |
| Dekalb Barbs Booster ClubDeKalb | Form 990-N | No figure |
| Warren Band Boosters IncGurnee | Form 990-N | No figure |
| Avon Center Parents Teachers and FriendsRound Lake Beach | Form 990-N | No figure |
| Gregory School Parent Teacher Organization PTORockford | Form 990-N | No figure |
| Supporters of South NFPCrystal Lake | Form 990-N | No figure |
| Illinois Congress of Parents and TeachersArlington Heights | Form 990-N | No figure |
| Illinois Congress of Parents TeachersArlington Heights | Form 990-N | No figure |
| Illinois Congress of Parents and TeachersArlington Heights | Form 990-N | No figure |
| Illinois Congress of Parents TeachersElk Grove Village | Form 990-N | No figure |
| Illinois Congress of Parents TeachersSchaumburg | Form 990-N | No figure |
| Illinois Congress of Parents TeachersGlenview | Form 990-N | No figure |
| Illinois Congress of Parents TeachersPalatine | Form 990-N | No figure |
| Illinois Congress of Parents TeachersPalatine | Form 990-N | No figure |
| Illinois Congress of Parents TeachersHoffman Estates | Form 990-N | No figure |
| Illinois Congress of Parents TeachersRolling Meadows | Form 990-N | No figure |
| Illinois Congress of Parents TeachersPalatine | Form 990-N | No figure |
| Illinois Congress of Parents TeachersStickney | Form 990-N | No figure |
| Illinois Congress of Parents TeachersGurnee | Form 990-N | No figure |
| Illinois Congress of Parents TeachersLombard | Form 990-N | No figure |
| Institute for Certification of Computer Profess Educ FoundationElgin | Form 990-N | No figure |
| Illinois Congress of Parents TeachersVilla Park | Form 990-N | No figure |
| Meadowview School PTOWoodridge | Form 990-N | No figure |
| Antioch Library FriendsAntioch | Form 990-N | No figure |