Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Fermi Forward Discovery Group LLCBatavia | Form 990 | $645,523,193FY2025 |
| Fermi Research Alliance LLCBatavia | Form 990 | $168,510,542FY2025 |
| Iit Research InstituteChicago | Form 990 | $17,520,000FY2025 |
| American Nuclear Society IncWestmont | Form 990 | $15,098,687FY2025 |
| Two Blades FoundationEvanston | Form 990 | $9,981,596FY2024 |
| Society for Laboratory Automation and ScreeningOak Brook | Form 990 | $9,813,666FY2025 |
| Applied Science and Technology Research Organization of AmericsMoline | Form 990 | $8,783,704FY2024 |
| International Society for Heart & Lung TransplantsChicago | Form 990 | $7,118,392FY2024 |
| American Oil Chemists SocietyChampaign | Form 990 | $5,560,093FY2025 |
| Society of Tribologists & Lubrication EngineersPark Ridge | Form 990 | $3,391,609FY2025 |
| The HDF GroupChampaign | Form 990 | $3,045,316FY2025 |
| LumityChicago | Form 990 | $2,922,516FY2025 |
| Open Source Technology Improvement Fund IncChicago | Form 990 | $2,725,898FY2025 |
| Science OlympiadOak Brook | Form 990 | $2,695,556FY2025 |
| American Ornithological SocietyChicago | Form 990 | $2,263,644FY2024 |
| International Valuation Standards CommitteeChicago | Form 990 | $2,247,511FY2025 |
| Vibration InstituteNaperville | Form 990 | $2,073,600FY2024 |
| Center for Humans and Nature NFPLibertyville | Form 990 | $1,595,633FY2025 |
| Heartland Science and Technology GroupChillicothe | Form 990 | $1,440,622FY2025 |
| National Conference of Standards LaboratoriesGlen Ellyn | Form 990 | $1,360,374FY2024 |
| American Society for Bioethics and HumanitiesSchaumburg | Form 990 | $1,154,659FY2025 |
| Mrens NFPLa Grange | Form 990 | $551,849FY2024 |
| International Bio Iron SocietySchaumburg | Form 990 | $363,847FY2025 |
| Chicago Council on Science AndtechnologyChicago | Form 990 | $360,213FY2025 |
| Aps Training Institute IncAurora | Form 990 | $287,041FY2024 |
| The Lawn Institute FoundationLombard | Form 990 | $284,831FY2024 |
| Institute for Population Health SciencesChicago | Form 990 | $260,556FY2025 |
| American Chemical SocietyLisle | Form 990 | $187,255FY2025 |
| Vishwamitra Research InstituteCrystal Lake | Form 990-EZ | $186,161FY2025 |
| Society of Cosmetic ChemistsChicago | Form 990-EZ | $173,388FY2024 |
| Ibio InstituteChicago | Form 990 | $168,075FY2024 |
| Thotcon Infinity NFPChicago | Form 990-EZ | $165,173FY2025 |
| Ai 2030 Group IncChicago | Form 990-EZ | $161,389FY2025 |
| Non Profit Software CorporationDeKalb | Form 990-EZ | $160,040FY2025 |
| Organization for Ethical SourceOak Park | Form 990-EZ | $151,581FY2025 |
| Illini RoboticsChampaign | Form 990-EZ | $96,887FY2025 |
| Structural Stability Research CouncilChicago | Form 990-EZ | $83,741FY2025 |
| Iris FoundationChicago | Form 990-EZ | $79,260FY2023 |
| Frontier Mission NetworkChicago | Form 990-EZ | $72,500FY2025 |
| Zebralter MedicalBurr Ridge | Form 990-EZ | $72,020FY2025 |
| Dataplaneorg NFPChicago | Form 990-EZ | $69,125FY2025 |
| Association of Chinese Scientists & EngineersSchaumburg | Form 990-EZ | $58,965FY2025 |
| Martin MotionNeponset | Form 990-EZ | $53,175FY2025 |
| Chicago Chromatography Discussion GroupDes Plaines | Form 990-N | No figure |
| Spectrum International Institute for Wellness Research & EducationGlenview | Form 990-N | No figure |
| Neisseria Gonorrhoeae Research SocietyWilmette | Form 990-N | No figure |
| International X-Ray Absorption Society IncorporatedNaperville | Form 990-N | No figure |
| Chicago Area Reproductive AssociationBolingbrook | Form 990-N | No figure |
| Extrusion Technology for Aluminium Profiles FoundationLibertyville | Form 990-N | No figure |
| Amir D Aczel Foundation for Education and Research in ScienceArlington Heights | Form 990-N | No figure |
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