| Napa Public Access Cable TelevisionNapa | Form 990 | $498,272FY2025 |
| Council of College and Military EducatorsCarson | Form 990 | $497,913FY2025 |
| Redlands Baseball Softball for YouthRedlands | Form 990 | $497,746FY2025 |
| Arirang Housing IncLos Angeles | Form 990 | $496,260FY2025 |
| Nor-Cal Guides and Sportsmens AssociationSutter | Form 990 | $495,417FY2025 |
| American Concrete Institute Southern California ChapterSan Dimas | Form 990 | $495,410FY2024 |
| Mission Viejo Christian SchoolMission Viejo | Form 990 | $495,264FY2025 |
| Surti Leva Patidar Samaj of ScaSouth Gate | Form 990 | $495,000FY2024 |
| Family Service Agency of Tehama CountyRed Bluff | Form 990 | $494,869FY2024 |
| Alcoholics Anonymous Twenty-Third District Central Steering CommitteSanta Barbara | Form 990 | $494,720FY2025 |
| Awaken Dreams Creative Learning CenterLos Angeles | Form 990 | $493,861FY2023 |
| Foundation for Shamanic Studies IncPacifica | Form 990 | $493,673FY2025 |
| Century Charities IncAnaheim | Form 990 | $493,167FY2024 |
| Berkeley Athletic FundBerkeley | Form 990 | $492,786FY2025 |
| Little League Baseball IncSan Jose | Form 990 | $492,548FY2025 |
| The Creekers ClubIrvine | Form 990 | $492,087FY2024 |
| The Emmanuel Reformed Church Endowment FoundationParamount | Form 990 | $491,132FY2025 |
| California Genealogical SocietyBerkeley | Form 990 | $490,269FY2025 |
| Chamber Music in Napa Valley IncNapa | Form 990 | $490,045FY2026 |
| PTA California Congress of Parents Teachers & Students IncOakland | Form 990 | $489,775FY2025 |
| Lassen College Foundation IncSusanville | Form 990 | $489,054FY2025 |
| American Chemical SocietySan Leandro | Form 990 | $488,911FY2025 |
| Trees FoundationRedway | Form 990 | $488,822FY2025 |
| Santa Visits Alviso FoundationAlviso | Form 990 | $488,327FY2025 |
| The June L Mazer Lesbian ArchivesWest Hollywood | Form 990 | $487,807FY2025 |
| India Evangelical Mission IncLakewood | Form 990 | $487,447FY2024 |
| Down Syndrome Association of Orange CountyCosta Mesa | Form 990 | $486,738FY2025 |
| Avondale Housing Development CorporationKeene | Form 990 | $486,627FY2024 |
| National Assistance LeagueEncinitas | Form 990 | $485,525FY2025 |
| Interactive Sciences IncorporatedPalo Alto | Form 990 | $485,189FY2025 |
| San Rafael Public Education FoundationSan Rafael | Form 990 | $484,996FY2025 |
| Bay PhilharmonicFremont | Form 990 | $484,709FY2024 |
| Iberoamericana University FoundationSan Diego | Form 990 | $484,630FY2025 |
| Pamc Health Foundation IncLos Angeles | Form 990 | $483,135FY2024 |
| Interfaith Community Social ServicesSonora | None required | $482,997FY2025 |
| Light Bringer ProjectPasadena | Form 990 | $482,641FY2024 |
| Directors Guild FoundationLos Angeles | Form 990 | $482,253FY2025 |
| Race for the RescuesNorth Hollywood | Form 990 | $481,865FY2025 |
| Mammoth Lakes FoundationMammoth Lakes | Form 990 | $480,820FY2025 |
| PCL FoundationSacramento | Form 990 | $479,968FY2025 |
| Newport Harbor Football BoostersNewport Beach | Form 990 | $479,816FY2025 |
| Mono Arts CouncilMammoth Lakes | Form 990 | $479,138FY2025 |
| Way Out Ministries IncHawaiian Gardens | Form 990 | $479,120FY2025 |
| Cloverdale Senior Multi Purpose CenterCloverdale | Form 990 | $478,501FY2025 |
| Native Sons of the Golden West Charitable FoundationSan Francisco | Form 990 | $478,255FY2024 |
| Fortitude CareersRedwood City | Form 990 | $477,252FY2024 |
| Immanuel Mission Foundation IncIrvine | Form 990 | $477,165FY2025 |
| PTA California Congress of Parents Teachers & Students IncMalibu | Form 990 | $477,073FY2025 |
| West Point Inn AssociationSan Rafael | Form 990 | $476,781FY2024 |
| Boise First-RHF Housing IncLong Beach | Form 990 | $476,579FY2025 |