Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| The Natomas Basin Conservancy a CA Non-Profit Public Benefit CorpSacramento | Form 990 | $12,612,367FY2025 |
| Sempervirens FundMountain View | Form 990 | $12,609,954FY2025 |
| Rose Foundation for Communities and the EnvironmentOakland | Form 990 | $12,603,651FY2024 |
| Sogorea Te Land TrustOakland | Form 990 | $12,536,415FY2024 |
| California Assoc of Resource Conservation DistrictsSacramento | Form 990 | $12,530,192FY2025 |
| Spark Climate Solutions IncCovina | Form 990 | $12,435,732FY2025 |
| The California Desert Land ConservancyJoshua Tree | Form 990 | $12,174,899FY2025 |
| Valley CanSacramento | Form 990 | $11,697,759FY2025 |
| Gridlab IncBerkeley | Form 990 | $11,692,842FY2025 |
| Quail Gardens Foundation IncEncinitas | Form 990 | $11,143,670FY2025 |
| Western Climate Initiative IncSacramento | Form 990 | $11,112,054FY2025 |
| Pacific Environment and Resources CenterSan Francisco | Form 990 | $10,981,159FY2025 |
| Urban TilthRichmond | Form 990 | $10,808,719FY2025 |
| Truckee Donner Land TrustTruckee | Form 990 | $10,482,710FY2025 |
| Mid Klamath Watershed CouncilOrleans | Form 990 | $10,396,094FY2025 |
| Yerba Buena Gardens ConservancySan Francisco | Form 990 | $10,060,079FY2025 |
| Mongabayorg CorporationMenlo Park | Form 990 | $10,032,953FY2024 |
| Community Conservation Centers IncBerkeley | Form 990 | $9,876,141FY2025 |
| Sustainable ConservationSan Francisco | Form 990 | $9,662,212FY2025 |
| Green Education FoundationSan Jose | Form 990 | $9,618,167FY2024 |
| One Earth PhilanthropyLos Angeles | Form 990 | $9,615,055FY2025 |
| Global Energy MonitorCovina | Form 990 | $9,612,516FY2024 |
| Strategic Energy InnovationsSan Rafael | Form 990 | $9,470,163FY2024 |
| Oceans Unmanned IncSanta Barbara | Form 990 | $9,469,821FY2025 |
| California Native Plant SocietySacramento | Form 990 | $9,459,830FY2025 |
| Legacy Philanthropy WorksSanta Barbara | Form 990 | $9,174,277FY2024 |
| Rainforest Action NetworkSan Francisco | Form 990 | $9,157,665FY2025 |
| Climate Justice AllianceLos Angeles | Form 990 | $9,080,028FY2025 |
| Irvine Ranch ConservancyIrvine | Form 990 | $9,027,560FY2025 |
| InaturalistSan Rafael | Form 990 | $9,011,958FY2025 |
| Blue Forest Finance IncSacramento | Form 990 | $8,932,160FY2024 |
| Solutions Project IncLos Angeles | Form 990 | $8,921,441FY2024 |
| Save Oswit Canyon IncPalm Springs | Form 990 | $8,858,133FY2024 |
| Nature and Culture InternationalDel Mar | Form 990 | $8,847,336FY2025 |
| John Muir Land TrustMartinez | Form 990 | $8,835,839FY2025 |
| Community Water CenterVisalia | Form 990 | $8,690,157FY2024 |
| Ventura Botanical Gardens IncVentura | Form 990 | $8,656,488FY2025 |
| North Coast Resource Conservation & Development CouncilSanta Rosa | Form 990 | $8,601,902FY2024 |
| Sherman FoundationNewport Beach | Form 990 | $8,408,928FY2024 |
| Southern California Mountains FoundationSan Bernardino | Form 990 | $8,289,122FY2025 |
| Global Alliance for Incinerator AlternativesBerkeley | Form 990 | $8,241,301FY2025 |
| Redford Center IncSan Francisco | Form 990 | $8,112,694FY2025 |
| STANDSan Francisco | Form 990 | $8,097,833FY2024 |
| Communities for a Better EnvironmentHuntington Park | Form 990 | $8,062,410FY2024 |
| Asian Pacific Environmental NetworkOakland | Form 990 | $7,978,881FY2024 |
| Wildlife Heritage FoundationLincoln | Form 990 | $7,931,115FY2024 |
| San Francisco Botanical Garden Society at Strybing ArboretumSan Francisco | Form 990 | $7,908,334FY2025 |
| Pachamama AllianceSan Francisco | Form 990 | $7,874,749FY2025 |
| Vote SolarOakland | Form 990 | $7,622,988FY2025 |
| CtreesPasadena | Form 990 | $7,547,057FY2025 |
51 to 100 of 3,142