| Mid Central Community ActionBloomington | Form 990 | $2,953,768FY2025 |
| Boy Scouts of AmericaRockford | Form 990 | $2,940,045FY2025 |
| Northeast Dupage Special Recreation AssociationAddison | Form 990 | $2,937,363FY2025 |
| International Society of Hair SurgeonsElgin | Form 990 | $2,925,725FY2024 |
| Habitat for Humanity International IncChicago | Form 990 | $2,922,585FY2025 |
| Poultry Science Association IncChampaign | Form 990 | $2,910,326FY2024 |
| Global Implementation SolutionsChicago | Form 990 | $2,856,016FY2024 |
| West Central Illinois Area Agency on AgingQuincy | Form 990 | $2,853,007FY2025 |
| Prevention Partnership IncChicago | Form 990 | $2,820,428FY2025 |
| Young Womens Christian Association of Sauk ValleySterling | Form 990 | $2,814,852FY2025 |
| Ashunti Residential ManagementChicago | Form 990 | $2,814,759FY2025 |
| Voices of Stephenson CountyFreeport | Form 990 | $2,813,545FY2025 |
| American Osteopathic Foundation IncChicago | Form 990 | $2,787,843FY2025 |
| Bulletin of the Atomic ScientistsChicago | Form 990 | $2,782,626FY2025 |
| South Side Help Center IncChicago | Form 990 | $2,782,155FY2025 |
| The Knee Society IncSchaumburg | Form 990 | $2,776,072FY2025 |
| Cornerstone Community Development Corporation NFPFord Heights | Form 990 | $2,753,436FY2025 |
| The American College of Psychiatrists IncChicago | Form 990 | $2,736,412FY2024 |
| Hispanic Alliance for Career EnhancementChicago | Form 990 | $2,732,705FY2024 |
| Theosophical Society in AmericaWheaton | Form 990 | $2,726,256FY2025 |
| Centralia FoundationCentralia | Form 990 | $2,718,037FY2024 |
| Highview Retirement Home AssociationRockton | Form 990 | $2,683,918FY2025 |
| O L L Education ServicesNorth Aurora | Form 990 | $2,683,041FY2025 |
| Well Child Conference of ElginElgin | Form 990 | $2,654,053FY2025 |
| Golden Circle Senior Citizens CouncilElizabethtown | Form 990 | $2,583,429FY2025 |
| Riverside Healthcare FoundationKankakee | Form 990 | $2,580,614FY2024 |
| Near West Side Community Development Corporation IncChicago | Form 990 | $2,572,538FY2024 |
| Everthrive IllinoisChicago | Form 990 | $2,567,408FY2025 |
| Firebird Community ArtsChicago | Form 990 | $2,526,589FY2024 |
| Survivor Empowerment Center IncCarbondale | Form 990 | $2,523,179FY2025 |
| Young Mens Christian Association of the University of IllinoisChampaign | Form 990 | $2,514,472FY2025 |
| Lubavitch Girls High School IncChicago | Form 990 | $2,503,655FY2024 |
| Society of St Vincent de Paul of the Joliet Diocesan Council IncOakbrook Terrace | Form 990 | $2,482,733FY2025 |
| Black United Fund of Illinois IncChicago | Form 990 | $2,478,004FY2024 |
| Institute for Public AffairsChicago | Form 990 | $2,465,877FY2024 |
| Family Service of Champaign CountyChampaign | Form 990 | $2,464,902FY2025 |
| Illinois Alcoholism & Drug Depen- Dence AssociationSpringfield | Form 990 | $2,446,499FY2025 |
| Edward FoundationNaperville | Form 990 | $2,443,736FY2024 |
| Trade IndustriesMcLeansboro | Form 990 | $2,441,875FY2026 |
| Good Shepherd Center for Exceptional ChildrenHazel Crest | Form 990 | $2,436,018FY2025 |
| American Society of Animal Science IncChampaign | Form 990 | $2,434,587FY2024 |
| Effingham City-County Committee on AgingEffingham | Form 990 | $2,428,053FY2025 |
| Sterling-Rock Falls Family YMCA of Sterling IllinoisSterling | Form 990 | $2,427,758FY2025 |
| Maywood Fine Arts AssociationMaywood | Form 990 | $2,419,980FY2025 |
| Foundry Educational FoundationSchaumburg | Form 990 | $2,406,772FY2025 |
| Anesthesia Patient Safety FoundationSchaumburg | Form 990 | $2,403,140FY2024 |
| Meals at HomeEvanston | Form 990 | $2,398,545FY2025 |
| South Side Community Art CenterChicago | Form 990 | $2,377,523FY2024 |
| Civic FederationChicago | Form 990 | $2,376,162FY2025 |
| World Professional Association for Transgender Health IncEast Dundee | Form 990 | $2,360,387FY2024 |