| Monterey Bay DartSanta Cruz | Form 990-N | No figure |
| Golden Gate Polymer Forum IncSan Francisco | Form 990-N | No figure |
| Association for Mathematical ResearchDavis | Form 990-N | No figure |
| GOV4GIT FoundationLos Altos Hills | Form 990-N | No figure |
| Code of Reality IncSacramento | Form 990-N | No figure |
| Ocean Science Expedition AcademyPacifica | Form 990-N | No figure |
| Center for the Study of Partisanship and IdeologySan Diego | Form 990-EZ | $29,513FY2025 |
| International Society of Innovation MethodsDanville | Form 990-N | No figure |
| Ai Governance ProjectGlendale | Form 990-N | No figure |
| Butterfly FarmsSan Marcos | Form 990-N | No figure |
| Redwood Research Group IncBerkeley | Form 990-N | No figure |
| Pacific Coast Protease Workshop IncRedwood City | Form 990-N | No figure |
| Ivrstar Foundation CorporationSan Diego | Form 990-N | No figure |
| Digital Economy Collaboration Innovation LabSunnyvale | Form 990-N | No figure |
| Dipterists SocietySacramento | Form 990-N | No figure |
| Paragon Institute of InnovationSacramento | Form 990-N | No figure |
| Conejo Valley Makerspace IncWoodland Hills | Form 990-N | No figure |
| Omni NanoCulver City | Form 990-N | No figure |
| Greater San Diego Biological SolutionsEncinitas | Form 990-N | No figure |
| USRCALafayette | Form 990-N | No figure |
| Vacaville Unified School District Robotics Team 2288Vacaville | Form 990-N | No figure |
| Chemists Without Borders IncCloverdale | Form 990-N | No figure |
| Open Research Institute IncSan Diego | Form 990-N | No figure |
| Symposia on Turbulence and Shear Flow Phenomena TSFPStanford | Form 990-N | No figure |
| Consortium of Organizations for Strong-Motion Observation SystemsSan Francisco | Form 990-N | No figure |
| American Aeronautical FoundationNewbury Park | Form 990-N | No figure |
| Human Biomolecular ResearchSan Diego | Form 990-N | No figure |
| Western Region Robotics Forum IncSan Jose | Form 990-N | No figure |
| LatbsdcLos Angeles | Form 990-N | No figure |
| Rrrcomputer IncOakland | Form 990-N | No figure |
| Thrive-WiseSan Jose | Form 990-N | No figure |
| VLABCampbell | Form 990-N | No figure |
| American Association for Structural Mechanics in Reactor TechnologyAlamo | Form 990-N | No figure |
| California Network for Manufacturing Innovation IncSan Ramon | Form 990-N | No figure |
| California Institute of Machine ConsciousnessSan Francisco | Form 990-N | No figure |
| Thullen LabBeverly Hills | Form 990-N | No figure |
| Sourcery InstituteOakland | Form 990-N | No figure |
| Open Power & Energy Network IncMenlo Park | Form 990-N | No figure |
| Space Song FoundationLucerne | Form 990-N | No figure |
| Biobricks Foundation IncorporatedSan Francisco | Form 990-N | No figure |
| Phi Lab FoundationEl Monte | Form 990-N | No figure |
| The Hermetic Consistory FoundationWrightwood | Form 990-N | No figure |
| Ecom Institute of Earth SciencesSan Gabriel | Form 990-N | No figure |
| Future CuresPomona | Form 990-N | No figure |
| Equalize HealthLafayette | Form 990-N | No figure |
| Futurable SocietyMenlo Park | Form 990-N | No figure |
| Institute of ArchaeomythologySebastopol | Form 990-N | No figure |
| Kinohi Institute IncSanta Barbara | Form 990-N | No figure |
| Sierra Pacific Orthopaedic Center Education and Research FoundationFresno | Form 990-N | No figure |
| Association of Experimental Rocketry of the PacificSanta Rosa | Form 990-N | No figure |