| One Heart Uganda IncorporatedChicago | Form 990-EZ | $95,766FY2025 |
| Weber High Alumni IncArlington Heights | Form 990-EZ | $95,295FY2025 |
| Illinois Congress of Parents TeachersDowners Grove | Form 990-EZ | $94,926FY2025 |
| Belleville Township High School District 201 Educational FNDTN LtdBelleville | Form 990 | $94,574FY2026 |
| Ridgemoor Educational FoundationHarwood Heights | Form 990-EZ | $94,518FY2025 |
| Mt Morris Community Library FNDTNMount Morris | Form 990 | $94,069FY2025 |
| Chicago Chapter National Black Mba Association IncChicago | Form 990-EZ | $93,725FY2024 |
| Normal Public Library FoundationNormal | Form 990-EZ | $93,094FY2026 |
| Manual High School Alumni Association Scholarship Fund TrustPeoria | Form 990 | $92,999FY2024 |
| Orchestra Parents-Patrons United SupportNaperville | Form 990-EZ | $92,996FY2025 |
| Divinity School Asso of the Univ ChicagoChicago | Form 990 | $92,934FY2025 |
| Plainfield School District Foundation for ExcellencePlainfield | Form 990-EZ | $92,787FY2025 |
| African Centres for Lightning and Electromagnetics Network IncRiver Forest | Form 990-EZ | $92,335FY2024 |
| Illinois Judges Association FoundationChicago | Form 990-EZ | $92,332FY2025 |
| Scholarship Assistance FundProspect Heights | Form 990 | $92,165FY2025 |
| Crystal Lake Central High School Booster ClubCrystal Lake | Form 990-EZ | $92,055FY2026 |
| Arquitectos IncChicago | Form 990-EZ | $92,051FY2024 |
| Alton Athletic AssociationGodfrey | Form 990-EZ | $91,652FY2025 |
| Friends of ThorpChicago | Form 990-EZ | $91,445FY2025 |
| Friends of Escuela Cooperative de SayulitaGlen Ellyn | Form 990-EZ | $91,441FY2025 |
| Better Love Yourself FoundationChicago | Form 990-EZ | $91,348FY2025 |
| Evans Scholars Foundation- Washington ChapterGlenview | Form 990-EZ | $91,211FY2025 |
| Ogden Avenue School Parent Teacher CouncilLa Grange | Form 990-EZ | $91,071FY2026 |
| Wilmette Junior High School Parent Teacher OrganizationWilmette | Form 990-EZ | $91,019FY2025 |
| Sunshine Supplies for Teachers NFPForsyth | Form 990-EZ | $90,998FY2025 |
| Argo Higher Education FoundationSummit Argo | Form 990-EZ | $90,876FY2025 |
| Caitlin Westerfield Wistem FundEvanston | Form 990 | $90,810FY2024 |
| Friends and Family of South Loop School IncChicago | Form 990-EZ | $90,774FY2025 |
| Trace Bittle Scholarship FundMarion | Form 990-EZ | $90,588FY2024 |
| Saukee NationPittsfield | Form 990-EZ | $90,408FY2024 |
| Muthusami Paravel FoundationNaperville | Form 990-EZ | $90,001FY2024 |
| Africa in the Moot NFPChicago | Form 990-EZ | $89,636FY2025 |
| Parent Booster USA IncPark Ridge | Form 990-EZ | $89,048FY2025 |
| Illinois Association of Technical Accident InvestigatorsChicago | Form 990-EZ | $88,976FY2025 |
| Alan B Shepard Middle School Ptso IncDeerfield | Form 990-EZ | $88,890FY2025 |
| Illinois Public Airports AssociationWheaton | Form 990-EZ | $88,785FY2025 |
| Wheaton North Band Parents OrganizationWheaton | Form 990-EZ | $88,671FY2025 |
| Millburn School District 24 Education FoundationOld Mill Crk | Form 990-EZ | $88,605FY2025 |
| Oak Meadows Christian AcademyWood Dale | Form 990-EZ | $88,477FY2026 |
| Beyond Us MinistriesMattoon | Form 990-EZ | $88,469FY2025 |
| Harlem High School Fans Club IncMachesney Park | Form 990-EZ | $88,278FY2025 |
| Chicago Women in Architecture FoundationChicago | Form 990-EZ | $88,248FY2025 |
| Wildly Rooted Nature EnrichmentWarrenville | Form 990-EZ | $88,142FY2026 |
| Greenbriar Parent Teacher OrganizationNorthbrook | Form 990-EZ | $87,670FY2025 |
| Percy Julian School Parent Teacher OrganizationOak Park | Form 990-EZ | $87,456FY2025 |
| Christian County Ceo IncTaylorville | Form 990-EZ | $87,359FY2025 |
| Stockton Blackhawk BoostersStockton | Form 990-EZ | $87,280FY2025 |
| Highland Band and Choir BoostersHighland | Form 990-EZ | $87,199FY2026 |
| East Dubuque District Library FoundationEast Dubuque | Form 990-EZ | $86,763FY2025 |
| Grundy County Chamber FoundationMorris | Form 990-EZ | $86,460FY2025 |