| Association of Metropolitan Planning Organizations Research FoArlington | Form 990 | $567,619FY2025 |
| International Microphysiological Systems SocietyReston | Form 990 | $566,894FY2024 |
| Combined Heat and Power AllianceArlington | Form 990 | $516,023FY2024 |
| Radio Technical Commission for Maritime ServicesArlington | Form 990 | $488,989FY2025 |
| Cornwell Research GroupNewport News | Form 990 | $486,538FY2025 |
| American Chemical SocietyBlacksburg | Form 990 | $483,979FY2025 |
| American Society of Ichthyologists and HerpetologistsGlen Allen | Form 990 | $482,691FY2025 |
| Pharmaceutical Education & Research Institute IncFairfax | Form 990 | $455,603FY2025 |
| Society for Birth Defects Research and PreventionReston | Form 990 | $455,385FY2025 |
| Women in Technology IncFalls Church | Form 990 | $439,046FY2025 |
| Geochemical SocietyAlexandria | Form 990 | $417,744FY2025 |
| Digital Dollar Project IncAnnandale | Form 990 | $391,471FY2024 |
| Achievement Rewards for College Scientist Fndatn Metro Wash CHPTRMcLean | Form 990 | $384,038FY2025 |
| Commonwealth Center for Advanced Logistics SystemsPetersburg | Form 990 | $381,829FY2025 |
| FPS Fellowship Examination CorpAlexandria | Form 990 | $256,900FY2025 |
| Josephine Porter Institute for Applied Bio-Dynamics IncFloyd | Form 990 | $249,077FY2024 |
| Southeastern Planetarium AssociationGlen Allen | Form 990 | $240,858FY2023 |
| National Association of Marine Laboratories IncHerndon | Form 990 | $205,584FY2024 |
| University Consortium for Geographic Information ScienceChesapeake | Form 990 | $202,880FY2024 |
| American Society of Civil EngineersReston | Form 990 | $181,342FY2025 |
| International Microwave Power InstituteMechanicsville | Form 990-EZ | $170,571FY2025 |
| Technology Management Institute IncFairfax | Form 990-EZ | $148,460FY2024 |
| Seed Science FoundationAlexandria | Form 990 | $147,361FY2025 |
| Aerospace States Association IncAlexandria | Form 990-EZ | $139,216FY2024 |
| Intentional Innovation Foundation IncNewport News | Form 990-EZ | $131,144FY2025 |
| Foundation of the Flora of Virginia Project IncRichmond | Form 990-EZ | $118,332FY2026 |
| Hackrva LabsRichmond | Form 990-EZ | $116,220FY2025 |
| Crustacean SocietyHerndon | Form 990 | $113,483FY2024 |
| Resilient Navigation and Timing Foundation IncAlexandria | Form 990-EZ | $109,360FY2025 |
| American Society of Civil EngineersReston | Form 990 | $108,671FY2025 |
| Pink Space TheoryWoodbridge | Form 990-EZ | $99,257FY2025 |
| American Society of Nepalese EngineersCentreville | Form 990-EZ | $97,421FY2025 |
| Reliability Maintainability Supportability Partnership IncNokesville | Form 990-EZ | $93,178FY2025 |
| Meadowview Biological Research StationWoodford | Form 990 | $79,430FY2025 |
| WWBBCAlexandria | Form 990-EZ | $75,394FY2024 |
| Foundation for Adenosine ResearchCharlottesville | Form 990-EZ | $75,000FY2025 |
| American Association of Physicists in MedicineAlexandria | Form 990-EZ | $67,307FY2025 |
| Gibbs Society of Biological Thermo Dynamics IncCharlottesville | Form 990-EZ | $65,485FY2025 |
| Virginia Satslab IncRichmond | Form 990 | $61,762FY2025 |
| Virginia Pace AuthoritySpringfield | Form 990-EZ | $61,416FY2025 |
| Charlottesville Women in TechCharlottesville | Form 990-EZ | $59,196FY2025 |
| American Association of Physicists in MedicineAlexandria | Form 990-EZ | $54,521FY2025 |
| Civil and Environmental Engineering Visiting Council IncNorfolk | Form 990-EZ | $53,773FY2025 |
| Royal Aeronautical Society Washington DC BranchArlington | Form 990-N | No figure |
| Southeastern Center for Electrical Engineering EducationPort Royal | Form 990-N | No figure |
| Coalition Advancing Technology and InnovationAshburn | Form 990-N | No figure |
| RevolutionvaChesapeake | Form 990-N | No figure |
| Greenwater FoundationRichmond | Form 990-N | No figure |
| Assoc of Diesel Specalists-Henry & Esther Ornter Educational FoundatiGainesville | Form 990 | $27,000FY2024 |
| Management Institute for Quality-of -Life StudiesDublin | Form 990-N | No figure |