| Free Flight Research LabSunnyvale | Form 990-N | No figure |
| Institute of Transportation Engineers Northern California SecRancho Cordova | Form 990-N | No figure |
| Riverside San Bernardino Institute of Transportation EngineersRancho Cucamonga | Form 990-N | No figure |
| Tech Bay Area AdvocatesWindsor | Form 990-N | No figure |
| Ventura County Food Safety AssociationOxnard | Form 990-N | No figure |
| Xyz Space Physics IncPasadena | Form 990-N | No figure |
| Carboncopies Foundation for Substrate Independent Minds IncSacramento | Form 990-N | No figure |
| Northern California Chapter of the Explorers ClubWalnut Creek | Form 990-N | No figure |
| Silicon Valley Chinese Tech MeetupFremont | Form 990-N | No figure |
| Institute of Transportation Engineers Southern California SectSan Gabriel | Form 990-N | No figure |
| Spectraplot LtdCalabasas | Form 990-N | No figure |
| Health Innovators ClubLos Angeles | Form 990-N | No figure |
| Southern California Taiwanese Biotechnology Association IncLa Jolla | Form 990-N | No figure |
| TheoreeLos Gatos | Form 990-N | No figure |
| Avocado Brainstorming IncVisalia | Form 990-N | No figure |
| Southern California Society of ParasitologistsSan Pedro | Form 990-N | No figure |
| Chinese Association for Science and Technology Silicon Valley ChapterSan Jose | Form 990-N | No figure |
| Caron-Saxe Foundation for the Advan Ment of Science & the ArtsTwentynine Palms | Form 990-N | No figure |
| California Society of PhysiologistsDavis | Form 990-N | No figure |
| Integrative Behavioral Health Research InstituteSan Gabriel | Form 990-N | No figure |
| Insilicon SymposiaPalo Alto | Form 990-N | No figure |
| Nonarchimedean Geometry Research CorporationSacramento | Form 990-N | No figure |
| Topflight FoundationLaguna Beach | Form 990-N | No figure |
| Silent Bot Deadly STEM Education IncFolsom | Form 990-N | No figure |
| Solutionlab IncSacramento | Form 990-N | No figure |
| Experimental Aircraft Association Chapter 167Napa | Form 990-N | No figure |
| BRK Research and Charity IncSacramento | Form 990-N | No figure |
| Golden Gate Science LeagueIrvine | Form 990-N | No figure |
| San Diego Marine AquaristsCardiff | Form 990-N | No figure |
| Syssr IncSan Jose | Form 990-N | No figure |
| San Diego Innovation Council IncCarlsbad | Form 990-N | No figure |
| Bay Area Taiwanese Biotechnology AssociationMilpitas | Form 990-N | No figure |
| Blue Latitudes FoundationLaguna Beach | Form 990-N | No figure |
| Median FoundationSan Francisco | Form 990-N | No figure |
| Airborne Internet Consortium IncSanta Rosa | Form 990-N | No figure |
| Ai Safety LimitedSunnyvale | Form 990-N | No figure |
| Feminine Rising Foundation IncPhilo | Form 990-N | No figure |
| MohumanSan Diego | Form 990-N | No figure |
| Dna Resonance Research FoundationSan Diego | Form 990-N | No figure |
| Virtually TestingWest Hills | Form 990-N | No figure |
| Central Valley Astronomers IncClovis | Form 990-N | No figure |
| Starship RoboticsEastvale | Form 990-N | No figure |
| Project CyberLos Angeles | Form 990-N | No figure |
| Mind Mining InitiativePomona | Form 990-N | No figure |
| Lechaion Harbor and Settlement Land ProjectHuntington Beach | Form 990-N | No figure |
| Lotus and Oak FoundationWhittier | Form 990-N | No figure |
| Amber Initiative Foundation IncLos Angeles | Form 990-N | No figure |
| Blockchain by WomenSan Mateo | Form 990-N | No figure |
| Bananiumlabs IncorporatedCupertino | Form 990-N | No figure |
| Persper Foundation IncPalo Alto | Form 990-N | No figure |