| Morning Forum of Los AltosLos Altos | Form 990-EZ | $96,033FY2025 |
| PTA California Congress of Parents Teachers & Students IncSan Francisco | Form 990-EZ | $95,944FY2025 |
| California Federation of Womens ClubsGranada Hills | Form 990 | $95,906FY2026 |
| South Pasadena Chinese-American ClubSouth Pasadena | Form 990-EZ | $95,899FY2025 |
| Northgate High School Instrumental BoostersWalnut Creek | Form 990-EZ | $95,857FY2025 |
| Society of Saint Vincent de Paul St Mary Magdalen ConferenceCamarillo | Form 990-EZ | $95,799FY2025 |
| Music for Minors IIFremont | Form 990-EZ | $95,727FY2025 |
| Friends of the National City LibraryNational City | Form 990-EZ | $95,666FY2025 |
| Sacred & Profane a Chamber ChorusBerkeley | Form 990-EZ | $95,492FY2025 |
| PTA California Congress of Parents Teachers & Students IncFountain Valley | Form 990-EZ | $95,465FY2025 |
| I C A N AssociatesEl Monte | Form 990 | $95,462FY2025 |
| PTA California Congress of Parents Teachers & Students IncWalnut | Form 990-EZ | $95,444FY2025 |
| Orange County Four Seasons OrchestraRedondo Beach | Form 990-EZ | $95,435FY2024 |
| Little League Baseball IncUnion City | Form 990-EZ | $95,368FY2025 |
| PTA California Congress of Parents Teachers & Students IncCorona | Form 990-EZ | $95,328FY2025 |
| Schemath Education FoundationMontclair | Form 990-EZ | $95,317FY2025 |
| Little League Baseball IncSalinas | Form 990-EZ | $95,286FY2023 |
| Friends of Madrona Marsh CorporationTorrance | Form 990-EZ | $95,159FY2025 |
| PTA California Congress of Parents Teachers & Students IncCarlsbad | Form 990-EZ | $95,133FY2026 |
| PTA California Congress of Parents Teachers & Students IncSanta Clara | Form 990-EZ | $95,126FY2025 |
| Ukrainian Heritage Club of Northern CaliforniaSacramento | Form 990-EZ | $95,094FY2025 |
| Little League Baseball IncAnaheim | Form 990-EZ | $95,079FY2024 |
| Venice Action CommitteeVenice | Form 990-EZ | $95,059FY2024 |
| Carlsbad-Oceanside Art LeagueCarlsbad | Form 990-EZ | $95,039FY2025 |
| Pomona Valley Art Association IncClaremont | Form 990-EZ | $95,030FY2025 |
| Overeaters Anonymous San Fernando Valley IntergroupWoodland Hills | Form 990-EZ | $94,961FY2024 |
| Newberry Springs Service Association IncNewberry Springs | Form 990-EZ | $94,871FY2025 |
| California Council for ExcellenceIrvine | Form 990-EZ | $94,827FY2025 |
| The Necessary Economic Emergency Distribution Services Center IncTaft | Form 990-EZ | $94,825FY2023 |
| Los Angeles Society of Plastic Surgeons IncBeverly Hills | Form 990-EZ | $94,815FY2025 |
| PTA California Congress of Parents Teachers & Students IncMartinez | Form 990-EZ | $94,775FY2025 |
| Road Runners Club of AmericaSan Rafael | Form 990-EZ | $94,661FY2025 |
| Hillel the Foundation for Jewish Campus LifeChico | Form 990-EZ | $94,634FY2025 |
| Pixie ParentsRoss | Form 990 | $94,631FY2024 |
| Breakfast Club KidsSan Diego | Form 990-EZ | $94,553FY2025 |
| Northern California Rheumatology SocietyFremont | Form 990 | $94,534FY2024 |
| Monache Band Parents IncPorterville | Form 990-EZ | $94,451FY2025 |
| PTA California Congress of Parents Teachers & Students IncFresno | Form 990-EZ | $94,385FY2025 |
| Skull and Dagger FoundationPalos Verdes Estates | Form 990 | $94,380FY2024 |
| San Dieguito Heritage MuseumEncinitas | Form 990 | $94,358FY2025 |
| Tom Matsumoto Elementary School PTASan Jose | Form 990-EZ | $94,312FY2025 |
| PTA California Congress of Parents Teachers & Students IncDavis | Form 990-EZ | $94,307FY2025 |
| PTA California Congress of Parents Teachers & Students IncLong Beach | Form 990-EZ | $94,214FY2025 |
| PTA California Congress of Parents Teachers & Students IncFullerton | Form 990-EZ | $94,006FY2025 |
| Platinum Performing Arts IncLake Forest | Form 990-EZ | $93,899FY2025 |
| PTA California Congress of Parents Teachers & Students IncDanville | Form 990-EZ | $93,864FY2025 |
| International E22 Class AssociationSan Diego | Form 990-EZ | $93,640FY2024 |
| Little League Baseball IncAuburn | Form 990-EZ | $93,637FY2025 |
| Parent Booster USA IncAnaheim | Form 990 | $93,610FY2025 |
| Juniors in Boating IncSan Diego | Form 990-EZ | $93,546FY2025 |