Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Cayucos Land ConservancyCayucos | Form 990 | $595,206FY2025 |
| Greenspace the Cambria Land TrustCambria | Form 990 | $592,896FY2025 |
| Sustainable ClaremontClaremont | Form 990 | $585,207FY2025 |
| Land CoreGrass Valley | Form 990 | $582,629FY2024 |
| Cultural Fire Management CouncilHoopa | Form 990 | $581,248FY2024 |
| Humboldt Botanical Gardens FoundationEureka | Form 990 | $574,603FY2024 |
| Atlas Consulting ServicesChico | Form 990 | $573,370FY2025 |
| Tejon Ranch ConservancyBakersfield | Form 990 | $572,894FY2024 |
| Watershed Solutions NetworkSacramento | Form 990 | $572,411FY2025 |
| Save Our MojavePasadena | Form 990 | $569,890FY2024 |
| Friends of Great Highway Park IncSan Francisco | Form 990 | $563,840FY2025 |
| SANDIEGO350San Diego | Form 990 | $559,914FY2026 |
| 350 Bay AreaAlameda | Form 990 | $558,429FY2025 |
| Leading from WithinSanta Barbara | Form 990 | $558,262FY2024 |
| Merito Foundation IncOxnard | Form 990 | $557,421FY2024 |
| Gaviota Coast ConservancySanta Barbara | Form 990 | $555,276FY2024 |
| Earth TeamRichmond | Form 990 | $555,019FY2026 |
| Climate First Replacing Oil & GasVentura | Form 990 | $554,908FY2025 |
| Ocean Defenders AllianceHuntington Beach | Form 990 | $549,572FY2024 |
| True Nature SocietyMaricopa | Form 990 | $546,821FY2024 |
| Coastal Conservation and ResearchMoss Landing | Form 990 | $544,513FY2024 |
| Marine Protected Area Collaborative NetworkSan Juan Capistrano | Form 990 | $541,340FY2025 |
| Rancho San Buenaventura Conservation TrustVentura | Form 990 | $539,708FY2024 |
| Environmental Action Committee of West MarinPoint Reyes Station | Form 990 | $537,731FY2025 |
| Fire Safe San Mateo County IncPortola Valley | Form 990 | $533,613FY2024 |
| Grand Hope Park IncLos Angeles | Form 990 | $533,212FY2025 |
| Friends of Sausal CreekOakland | Form 990 | $533,102FY2025 |
| Friends of Vallarta Botanical Gardens AcMill Valley | Form 990 | $531,125FY2025 |
| Friends of the Petaluma RiverPetaluma | Form 990 | $528,052FY2025 |
| Los Cerritos Wetlands Land TR for Long Beach & Seal BeachLong Beach | Form 990 | $525,566FY2025 |
| High Ambition Climate CollectiveSan Francisco | Form 990 | $525,000FY2024 |
| Rangelands Restoration TrustPleasanton | Form 990 | $517,055FY2024 |
| The Earth OrganizationPine Mountain Club | Form 990 | $516,561FY2024 |
| Armenian American Medical Society of California IncGlendale | Form 990 | $516,377FY2024 |
| Project for Resilient CommunitiesSanta Barbara | Form 990 | $516,355FY2024 |
| Chaparral Lands ConservancyEscondido | Form 990 | $515,650FY2025 |
| Sea & Sage Audubon SocietyIrvine | Form 990 | $515,429FY2025 |
| TuleyomeWoodland | Form 990 | $511,942FY2024 |
| Hannig Environmental Research OrganizationSan Carlos | Form 990 | $511,750FY2025 |
| Intersectional EnvironmentalistLos Angeles | Form 990 | $508,909FY2024 |
| Greening ProjectsSan Francisco | Form 990 | $508,047FY2025 |
| Tree FresnoFresno | Form 990 | $507,368FY2025 |
| Guadalupe Nipomo Dunes CenterGuadalupe | Form 990 | $505,614FY2025 |
| Myers Flat Mutual Water System IncMyers Flat | Form 990 | $505,570FY2025 |
| Ecologik InstituteSan Diego | Form 990 | $504,375FY2025 |
| Work on ClimateBerkeley | Form 990 | $499,810FY2024 |
| Keep California BeautifulSacramento | Form 990 | $493,260FY2025 |
| The Chemical Toxin Working GroupTopanga | Form 990 | $492,092FY2024 |
| Home Ground HabitatsNovato | Form 990 | $490,895FY2024 |
| Regenerosity CorpSan Francisco | Form 990 | $489,213FY2025 |
501 to 550 of 3,142