| The Math Learning CenterSalem | Form 990 | $44,731,389FY2024 |
| Code for Science and Society IncPortland | Form 990 | $10,336,769FY2025 |
| Oregon Community ProgramsEugene | Form 990 | $8,064,577FY2025 |
| Python Software FoundationBeaverton | Form 990 | $4,086,997FY2024 |
| Organization for Educational Technology and CurriculumLake Oswego | Form 990 | $3,759,949FY2024 |
| Corrim Consortium for Research on Renewable Industrial MaterialsCorvallis | Form 990 | $2,379,626FY2025 |
| VertuelabPortland | Form 990 | $1,997,887FY2025 |
| Climate FoundationBeaverton | Form 990 | $1,748,294FY2025 |
| Alliance for Global Water AdaptationCorvallis | Form 990 | $1,479,062FY2025 |
| Oregon Uas AcceleratorPendleton | Form 990 | $1,088,654FY2025 |
| Compass Science Communication IncMilwaukie | Form 990 | $990,859FY2025 |
| Oregon Institute of Science and MedicineCave Junction | Form 990 | $864,740FY2024 |
| The Fuel Cell SeminarBend | Form 990 | $848,910FY2025 |
| Perlan Project IncBeaverton | Form 990 | $563,879FY2024 |
| Network Time Foundation IncTalent | Form 990 | $339,941FY2025 |
| Klamath Outdoor Science SchoolChiloquin | Form 990 | $284,587FY2025 |
| Cascades Carnivore ProjectHood River | Form 990 | $267,495FY2025 |
| Artificiality InstituteBend | Form 990-EZ | $198,523FY2025 |
| Barefoot FoundationPortland | Form 990 | $180,616FY2024 |
| Satoshi Action EducationPortland | Form 990-EZ | $179,477FY2024 |
| Tillamook Bay Watershed CouncilGaribaldi | Form 990-EZ | $170,127FY2025 |
| Portland International Conference on Management of Engineering & TecPortland | Form 990-EZ | $160,303FY2024 |
| Amazon Research Center IncHillsboro | Form 990 | $138,853FY2025 |
| Soil Carbon CoalitionLa Grande | Form 990-EZ | $121,238FY2025 |
| Carlton ObservatoryCarlton | Form 990-EZ | $117,402FY2024 |
| Pacific Northwest Software Quality ConferencePortland | Form 990-EZ | $101,139FY2025 |
| IcannwikiSherwood | Form 990-EZ | $98,500FY2024 |
| Ignited TechPortland | Form 990-EZ | $70,001FY2026 |
| National Society of Black Engineers Portland Professionals ChapterPortland | Form 990-EZ | $68,224FY2026 |
| Plone FoundationEugene | Form 990 | $67,747FY2025 |
| Bsides PortlandPortland | Form 990-EZ | $66,541FY2025 |
| Northwest Food Processors Education and Research InstitutePortland | Form 990 | $58,336FY2026 |
| Foundation for the Law of TimeAshland | Form 990-N | No figure |
| RadiklLake Oswego | Form 990-N | No figure |
| Biodiversity Research CollectiveAshland | Form 990-N | No figure |
| Oregon Innovation FoundationCorvallis | Form 990-N | No figure |
| Portland Chapter of the International Institute of Building EnclosurePortland | Form 990-EZ | $33,203FY2025 |
| Linfield Research InstituteMcMinnville | Form 990-N | No figure |
| Mentor Research InstitutePortland | Form 990-N | No figure |
| Plan 9 FoundationScappoose | Form 990-N | No figure |
| Warming WorldAlbany | Form 990-N | No figure |
| Northwest Federation of Mineralogical Societies IncPendleton | Form 990-N | No figure |
| North America Research GroupTualatin | Form 990-N | No figure |
| Entomological Collections NetworkPortland | Form 990-N | No figure |
| Klamath Basin Genealogical SocietyKlamath Falls | Form 990-N | No figure |
| Oregon Branch of the American Association for Laboratory AnimalPortland | Form 990-N | No figure |
| DevtreksPortland | Form 990-N | No figure |
| Deep Blue Conservancy IncEugene | Form 990-N | No figure |
| Mays Bennett Science Institute for an Equitable FuturePortland | Form 990-N | No figure |
| American Science and Research Organization IncTualatin | Form 990-N | No figure |