Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Greater Sacramento Regional Clean Air Coalition IncSacramento | Form 990 | $288,040FY2025 |
| Sustainable Contra CostaWalnut Creek | Form 990 | $286,100FY2025 |
| Runners for Public LandsVentura | Form 990 | $281,589FY2025 |
| Project RegenerationSanta Rosa | Form 990 | $279,043FY2024 |
| Saved by NatureCampbell | Form 990 | $278,751FY2025 |
| Isla Urbana USA IncSan Diego | Form 990 | $278,540FY2025 |
| Lite InitiativesSanta Rosa | Form 990 | $278,210FY2025 |
| Zero Waste San DiegoSan Diego | Form 990 | $276,165FY2025 |
| Via Senti California Nonprofit CorporationEmerald Hills | Form 990 | $275,438FY2025 |
| Association for Environmental and Outdoor EducationBerkeley | Form 990 | $275,100FY2025 |
| Back Country Land TR of San Diego CountyAlpine | Form 990 | $273,836FY2024 |
| Grandparents Fund for Climate RestorationLos Altos | Form 990 | $272,789FY2024 |
| BikeventuraVentura | Form 990 | $272,422FY2024 |
| Habits of WasteLos Angeles | Form 990 | $270,939FY2025 |
| Keeling Curve FoundationSan Diego | Form 990 | $270,167FY2025 |
| RecreateRocklin | Form 990 | $269,018FY2025 |
| Citizens Caring for ClearlakeClearlake Oaks | Form 990 | $268,914FY2024 |
| Fabmo IncSunnyvale | Form 990 | $268,748FY2025 |
| Restore Hetch HetchyBerkeley | Form 990 | $266,607FY2025 |
| Pacific Beach CoalitionPacifica | Form 990 | $265,137FY2024 |
| Trash PunxSan Jose | Form 990 | $264,322FY2025 |
| Yggdrasil Urban Wildlife RescueSan Francisco | Form 990 | $264,260FY2025 |
| Plants People CommunityOceanside | Form 990 | $264,153FY2024 |
| California Greenworks IncInglewood | Form 990 | $262,939FY2024 |
| San Francisco BeautifulSan Francisco | Form 990 | $261,460FY2025 |
| Arctic Exploration Fund IncChatsworth | Form 990 | $258,652FY2025 |
| Heirloom Cacao Preservation FundSan Diego | Form 990 | $257,156FY2024 |
| Community Climate SolutionsPalo Alto | Form 990 | $257,065FY2025 |
| San Bruno Mountain WatchBrisbane | Form 990 | $256,427FY2024 |
| SjvwaterBakersfield | Form 990 | $256,082FY2025 |
| Renew SolutionsCity of Industry | Form 990 | $255,630FY2026 |
| Fire Safe Council of Nevada County Inc a Public Benefit CorporationGrass Valley | Form 990 | $255,499FY2025 |
| Continuing Challege Hazardous Materials CommitteeSacramento | Form 990 | $254,859FY2025 |
| Environmental Center of San Luis ObispoSan Luis Obispo | Form 990 | $254,570FY2025 |
| Su and Yu Family FoundationIrvine | Form 990 | $253,132FY2025 |
| Fresh Air Vallejo IncVallejo | Form 990 | $253,068FY2025 |
| Power ScubaSan Diego | Form 990 | $252,822FY2025 |
| San Diego Fishermens Working GroupLakeside | Form 990 | $252,538FY2024 |
| Hallberg Butterfly GardensSebastopol | Form 990 | $252,377FY2025 |
| Northcoast Environmental CenterArcata | Form 990 | $251,777FY2025 |
| Ecological Rights FoundationRedway | Form 990 | $251,438FY2024 |
| Preservation Action Council of San JoseSan Jose | Form 990 | $251,162FY2024 |
| PROJECT41Auburn | Form 990 | $249,247FY2025 |
| Friends of Big Morongo Canyon PreserveMorongo Valley | Form 990 | $249,091FY2025 |
| Silicon Valley Youth Climate ActionCupertino | Form 990 | $245,334FY2025 |
| East Grasslands Waterfowl Habitat AssociationStevinson | Form 990 | $245,155FY2025 |
| Ecological Options NetworkBolinas | Form 990 | $244,731FY2024 |
| Resource Renewal InstituteFairfax | Form 990 | $244,632FY2025 |
| Keep Coyote Creek BeautifulSan Jose | Form 990 | $244,193FY2025 |
| Friends of Plumas WildernessQuincy | Form 990 | $243,757FY2024 |
651 to 700 of 3,142