| PTA California Congress of Parents Teachers & Students IncIrvine | Form 990-EZ | $38,136FY2025 |
| PTA California Congress of Parents Teachers & Students IncFallbrook | Form 990-EZ | $38,128FY2025 |
| PTA California Congress of Parents Teachers & Students IncTorrance | Form 990-N | No figure |
| Palm Springs Instrumental Booster ProgramPalm Springs | Form 990-N | No figure |
| PTA California Congress of Parents Teachers & Students IncPorterville | Form 990-N | No figure |
| St Isidores Parochial School FoundationDanville | Form 990 | $37,959FY2025 |
| Kidpower Teenpower Fullpower InternationalSanta Cruz | Group return | $37,958FY2025 |
| PTA California Congress of Parents Teachers & Students IncWhittier | Form 990-EZ | $37,917FY2025 |
| Senior Taiwanese Association of Northern CaliforniaSanta Clara | Form 990-N | No figure |
| Centerville Education FoundationRedding | Form 990-N | No figure |
| San Clemente Seniors IncSan Clemente | Form 990-N | No figure |
| PTA California Congress of Parents Teachers & Students IncSanta Maria | Form 990-N | No figure |
| Maces Wolfpack PTOMaywood | Form 990-N | No figure |
| Sakura Kai IncEl Cerrito | Form 990-N | No figure |
| PTA California Congress of Parents Teachers & Students IncTorrance | Form 990-N | No figure |
| PTA California Congress of Parents Teachers & Students IncWest Covina | Form 990-EZ | $37,563FY2025 |
| Castlemont Home and School ClubCampbell | Form 990-N | No figure |
| Jampolsky Outreach FoundationSausalito | Form 990-N | No figure |
| Willows High School BoostersWillows | Form 990-EZ | $37,419FY2025 |
| PTA California Congress of Parents Teachers & Students IncDanville | Form 990-N | No figure |
| PTA California Congress of Parents Teachers & Students IncSunnyvale | Form 990-EZ | $37,406FY2025 |
| Friends of the Round Valley Public LibraryCovelo | Form 990 | $37,383FY2024 |
| PTA California Congress of Parents Teachers & Students IncLadera Ranch | Form 990-EZ | $37,380FY2025 |
| San Mateo High School DramaSan Mateo | Form 990-EZ | $37,324FY2025 |
| PTA California Congress of Parents Teachers & Students IncSan Diego | Form 990-EZ | $37,255FY2025 |
| La Canada Spartan Booster ClubLa Canada Flintridge | Form 990-N | No figure |
| Torrance Sister City AssociationTorrance | Form 990-N | No figure |
| San Mateo County Realtors FoundationSan Mateo | Form 990-EZ | $37,084FY2024 |
| PTA California Congress of Parents Teachers & Students IncOxnard | Form 990-EZ | $37,066FY2025 |
| Wildwood School Dads ClubPiedmont | Form 990-EZ | $37,018FY2025 |
| Animation Show of Shows IncLos Angeles | Form 990-N | No figure |
| Pecan Schoolhouse IncNapa | Form 990-N | No figure |
| San Diego Madres IncSan Diego | Form 990-EZ | $36,964FY2025 |
| Bay Area Association of Disabled SailorsSan Francisco | Form 990 | $36,958FY2025 |
| Red Bank Parent Teacher Club Elementary SchoolClovis | Form 990-EZ | $36,936FY2026 |
| Dublin Historical SocietyDublin | Form 990-N | No figure |
| PTA California Congress of Parents Teachers & Students IncTorrance | Form 990-EZ | $36,901FY2025 |
| House of the PhilippinesSan Diego | Form 990-N | No figure |
| Villa Park High School Parent-Faculty-Student OrganizatioVilla Park | Form 990-EZ | $36,737FY2026 |
| San Diego Turtle and Tortoise SocietySantee | Form 990-N | No figure |
| California Congress of Parents Teachers & Students Inc PTACorona | Form 990-EZ | $36,660FY2025 |
| PTA California Congress of Parents Teachers & Students IncSan Dimas | Form 990-N | No figure |
| Habitat for Humanity Intermational IncMariposa | Form 990-N | No figure |
| Fly-Fishers Club of Orange County IncSanta Ana | Form 990-N | No figure |
| Walnut-Pixley IncOrange | Form 990-N | No figure |
| Christ-Centered Freedom Ministries IncFowler | Form 990-N | No figure |
| Cougar Band Aides IncPlacerville | Form 990-N | No figure |
| PTA California Congress of Parents Teachers & Students IncLakewood | Form 990-EZ | $36,408FY2026 |
| Soararsis a Nonprofit CorporationFresno | Form 990-N | No figure |
| PTA California Congress of Parents Teachers & Students IncWest Covina | Form 990-N | No figure |