Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| California CoastkeeperSacramento | Form 990 | $1,017,146FY2025 |
| Oneill Sea OdysseySanta Cruz | Form 990 | $1,016,447FY2025 |
| Ethos Environmental IncWillits | Form 990 | $1,002,765FY2025 |
| Wild Wonder FoundationAuburn | Form 990 | $998,971FY2025 |
| North American Gas Heat Pump CollaborativeHalf Moon Bay | Form 990 | $998,933FY2024 |
| Ecologistics IncLos Osos | Form 990 | $986,383FY2025 |
| Los Cerritos Wetlands Stewardship IncLong Beach | Form 990 | $969,484FY2026 |
| Kern Water CollaborativeBakersfield | Form 990 | $968,960FY2025 |
| Together Bay AreaBerkeley | Form 990 | $963,757FY2025 |
| North Figueroa AssociationLos Angeles | Form 990 | $961,340FY2025 |
| Dogpatch & Northwest Potrero Hill Green Benefit DistrictSan Francisco | Form 990 | $948,224FY2025 |
| California River WatchSebastopol | Form 990 | $932,482FY2025 |
| Grounded Foundation IncSanta Rosa | Form 990 | $929,760FY2024 |
| Heather Farm Garden Center Association IncorporatedWalnut Creek | Form 990 | $928,683FY2025 |
| Water Conservation Garden AuthorityEl Cajon | Form 990 | $915,617FY2025 |
| Land Trust of Santa Clara ValleyMorgan Hill | Form 990 | $913,714FY2024 |
| Rescape CaliforniaSan Francisco | Form 990 | $911,138FY2025 |
| Farallon InstitutePetaluma | Form 990 | $911,027FY2025 |
| Charge Across Town IncSan Francisco | Form 990 | $909,106FY2025 |
| Santa Clara Valley Bird AllianceCupertino | Form 990 | $908,729FY2026 |
| Lassen Land and Trails TrustSusanville | Form 990 | $906,475FY2024 |
| Banning Ranch ConservancyNewport Beach | Form 990 | $905,720FY2024 |
| Race to Zero WasteSouth San Francisco | Form 990 | $900,242FY2025 |
| Friends of the InyoBishop | Form 990 | $890,026FY2025 |
| Clean Tahoe ProgramSouth Lake Tahoe | Form 990 | $882,362FY2025 |
| Tompkins ConservationSan Francisco | Form 990 | $876,691FY2025 |
| American River Parkway Foundation IncorporatedCarmichael | Form 990 | $867,715FY2025 |
| Common VisionBerkeley | Form 990 | $863,417FY2025 |
| Innovation Center for Energy and SustainabilitySouth Pasadena | Form 990 | $862,576FY2024 |
| Build It GreenOakland | Form 990 | $861,880FY2024 |
| Jimmy Miller Memorial FoundationManhattan Beach | Form 990 | $855,218FY2025 |
| Butte-Yuba-Sutter Water Quality CoalitionYuba City | Form 990 | $854,808FY2024 |
| Nature Nexus InstituteCulver City | Form 990 | $845,053FY2025 |
| Environmental Volunteers IncPalo Alto | Form 990 | $842,484FY2025 |
| Protect Our Communities FoundationSan Diego | Form 990 | $834,563FY2024 |
| Calaveras Big Trees AssociationArnold | Form 990 | $823,384FY2024 |
| The Us-China Green Energy CouncilSan Jose | Form 990 | $819,540FY2024 |
| Agriculture-Natural Resources TrustPleasant Hill | Form 990 | $815,356FY2025 |
| Californians Against Waste FoundationSacramento | Form 990 | $814,477FY2024 |
| Third Millennium AllianceFremont | Form 990 | $809,537FY2024 |
| San Francisco Clean City CoalitionSan Francisco | Form 990 | $808,114FY2024 |
| Tahoe Mountain Resorts Environmental FundTruckee | Form 990 | $807,911FY2024 |
| Public Recreation Unlimited IncSalinas | Form 990 | $805,534FY2025 |
| TorchbearrSomes Bar | Form 990 | $793,828FY2025 |
| Trinidad Coastal Land TrustTrinidad | Form 990 | $786,508FY2024 |
| Grades of Green IncEl Segundo | Form 990 | $777,597FY2025 |
| Home Planet FundVentura | Form 990 | $773,090FY2025 |
| Southern California Water Coalition IncCorona | Form 990 | $771,254FY2025 |
| California ReleafSacramento | Form 990 | $764,343FY2025 |
| Earth Discovery InstituteEl Cajon | Form 990 | $763,334FY2025 |
401 to 450 of 3,142