Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Center for Sustainable EnergySan Diego | Form 990 | $335,556,775FY2024 |
| Trust for Public LandSan Francisco | Form 990 | $301,245,450FY2025 |
| Climate Imperative FoundationSan Francisco | Form 990 | $271,730,022FY2024 |
| EarthjusticeSan Francisco | Form 990 | $170,827,511FY2025 |
| Social and Environmental Entrepreneurs IncCalabasas | Form 990 | $94,599,962FY2024 |
| Resources Legacy FundSacramento | Form 990 | $79,596,936FY2024 |
| Save the Redwoods LeagueSan Francisco | Form 990 | $68,106,119FY2025 |
| MultiplierSan Francisco | Form 990 | $65,807,518FY2024 |
| Peninsula Open Space TrustPalo Alto | Form 990 | $62,253,306FY2025 |
| Golden Gate National Parks ConservancySan Francisco | Form 990 | $54,673,377FY2025 |
| Klamath River Renewal CorporationBerkeley | Form 990 | $49,804,763FY2025 |
| The Living DesertPalm Desert | Form 990 | $47,987,318FY2025 |
| Grid AlternativesOakland | Form 990 | $46,882,198FY2024 |
| Grid AlternativesOakland | Group return | $45,983,870FY2024 |
| Land Trust of Santa Cruz CountySanta Cruz | Form 990 | $43,880,016FY2025 |
| Carbon Mapper IncPasadena | Form 990 | $42,000,541FY2025 |
| Earth Island Institute IncBerkeley | Form 990 | $41,631,441FY2025 |
| River PartnersChico | Form 990 | $41,176,482FY2025 |
| California Waterfowl AssociationRoseville | Form 990 | $40,114,931FY2026 |
| Napa County Land TrustNapa | Form 990 | $39,723,786FY2024 |
| Climate Lead IncSan Francisco | Form 990 | $37,511,814FY2024 |
| Sierra Club FoundationOakland | Form 990 | $31,947,339FY2025 |
| Activate Global IncBerkeley | Form 990 | $30,637,585FY2025 |
| JJLL Family FoundationIrvine | Form 990 | $30,442,545FY2025 |
| Placer Land TrustAuburn | Form 990 | $30,050,893FY2025 |
| Center for Natural Lands ManagementTemecula | Form 990 | $28,627,614FY2025 |
| Guided Discoveries IncSan Clemente | Form 990 | $22,956,784FY2025 |
| Bay Area Environmental Research InstituteMoffett Field | Form 990 | $22,622,849FY2024 |
| Climate Policy Initiative IncSan Francisco | Form 990 | $22,537,930FY2024 |
| Ecology Action of Santa CruzSanta Cruz | Form 990 | $22,498,293FY2025 |
| NaturebridgeSausalito | Form 990 | $22,346,456FY2025 |
| Water FoundationSacramento | Form 990 | $22,281,949FY2024 |
| Energy CoalitionLos Angeles | Form 990 | $20,061,692FY2024 |
| San Francisco Estuary InstituteRichmond | Form 990 | $19,594,340FY2025 |
| Ecology CenterBerkeley | Form 990 | $18,141,347FY2024 |
| Treepeople IncBeverly Hills | Form 990 | $18,044,956FY2024 |
| Big Sur Land TrustMonterey | Form 990 | $17,754,257FY2025 |
| Tri-City Economic Development CorporationUnion City | Form 990 | $17,615,428FY2024 |
| Descanso Gardens FoundationLa Canada Flintridge | Form 990 | $17,208,622FY2025 |
| Apparel Impact InstituteOakland | Form 990 | $16,755,200FY2025 |
| Digdeep Right to Water ProjectLos Angeles | Form 990 | $14,596,293FY2025 |
| Cool Effect IncGreenbrae | Form 990 | $14,590,555FY2025 |
| Surfrider FoundationSan Clemente | Form 990 | $14,490,016FY2024 |
| Wildlands ConservancyYucaipa | Form 990 | $13,845,567FY2025 |
| Sjcog IncStockton | Form 990 | $13,428,443FY2025 |
| Island ConservationSanta Cruz | Form 990 | $13,417,416FY2024 |
| Calcef InnovationsBerkeley | Form 990 | $13,317,609FY2024 |
| Santa Barbara Botanic Garden IncSanta Barbara | Form 990 | $13,077,743FY2024 |
| The Land Trust for Santa Barbara CountySanta Barbara | Form 990 | $12,961,913FY2025 |
| California Farmland TrustElk Grove | Form 990 | $12,813,821FY2024 |
1 to 50 of 3,142