Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Friends of the Shasta RiverYreka | Form 990-EZ | $109,156FY2025 |
| Friends of Silver LakePorterville | Form 990-EZ | $108,859FY2025 |
| Sportfishing ConservancyIrvine | Form 990-EZ | $108,676FY2024 |
| Prelado de Los Tesoros de La PurisimaLompoc | Form 990 | $108,219FY2024 |
| California Irrigation Institute IncBlue Jay | Form 990-EZ | $108,053FY2025 |
| Neighborhood CoalitionSebastopol | Form 990-EZ | $106,925FY2025 |
| Eastern California Water AssociationBig Pine | Form 990-EZ | $106,861FY2025 |
| Deepgreen SolutionsCampbell | Form 990-EZ | $106,212FY2025 |
| Ocean Conservation Society IncMarina del Rey | Form 990-EZ | $106,195FY2025 |
| South Bay Boardriders ClubHermosa Beach | Form 990-EZ | $105,572FY2026 |
| My Forest Foundation IncSan Francisco | Form 990-EZ | $104,408FY2025 |
| Kern Environmental Education FoundationBakersfield | Form 990-EZ | $103,850FY2025 |
| Nature Legacy IncSan Diego | Form 990-EZ | $103,435FY2025 |
| Pacific Horticulture SocietyBerkeley | Form 990-EZ | $103,347FY2025 |
| Ege FoundationSacramento | Form 990-EZ | $103,280FY2025 |
| Project Cornerstone IncCarlsbad | Form 990-EZ | $102,989FY2025 |
| Friends of the Daley RanchEscondido | Form 990-EZ | $102,708FY2025 |
| Sea HuggerHalf Moon Bay | Form 990-EZ | $102,694FY2025 |
| Miralon Public Maintenance CorporationPalm Desert | Form 990-EZ | $101,759FY2025 |
| Inland Empire Kids OutdoorsRiverside | Form 990-EZ | $101,392FY2025 |
| Kern River ConservancyKernville | Form 990-EZ | $101,190FY2025 |
| Green Wave EnterprisesLos Angeles | Form 990-EZ | $100,924FY2025 |
| Grassroots Recycling Network IncAlameda | Form 990-EZ | $100,854FY2025 |
| Ocean Conservation ResearchLagunitas | Form 990-EZ | $100,522FY2026 |
| Unite Camps IncRedding | Form 990-EZ | $100,511FY2025 |
| Cedar Grove FoundationMenlo Park | Form 990-EZ | $99,992FY2025 |
| Forest UnlimitedForestville | Form 990-EZ | $99,935FY2025 |
| Forests Forever FoundationBerkeley | Form 990-EZ | $99,396FY2025 |
| Woodside-Atherton Garden ClubMenlo Park | Form 990-EZ | $98,992FY2025 |
| Kate Sessions CommitmentSan Diego | Form 990-EZ | $98,858FY2025 |
| Lake County Farm Bureau Education CorporationLakeport | Form 990-EZ | $98,577FY2025 |
| Friends Foundation InternationalBerkeley | Form 990-EZ | $98,448FY2025 |
| Piedmont Garden ClubPiedmont | Form 990-EZ | $98,213FY2025 |
| Shasta Trinity Fly Fishers IncRedding | Form 990-EZ | $96,794FY2025 |
| Slo Green Build IncSan Luis Obispo | None required | $96,533FY2008 |
| Society for Vector EcologyOntario | Form 990-EZ | $95,951FY2025 |
| Council of Infill BuildersSacramento | Form 990-EZ | $95,018FY2025 |
| Green Beauty Community Foundation IncSan Diego | Form 990-EZ | $93,512FY2025 |
| Agramonte Ranch Research and Conservation CenterHalf Moon Bay | Form 990 | $92,904FY2025 |
| Homestead Valley Land TrustMill Valley | Form 990-EZ | $92,407FY2025 |
| Santa Barbara Beautiful IncSanta Barbara | Form 990-EZ | $92,104FY2024 |
| Stewards of the SequoiaWofford Heights | Form 990-EZ | $91,969FY2026 |
| San Diego Children and Nature CollaborativeSan Diego | Form 990-EZ | $91,797FY2025 |
| Orinda Garden ClubOrinda | Form 990-EZ | $91,281FY2026 |
| California Seaweed FestivalValencia | Form 990-EZ | $90,866FY2025 |
| California Garden Clubs IncLa Jolla | Form 990-EZ | $89,017FY2025 |
| Sea of CloudsSan Diego | Form 990-EZ | $88,857FY2024 |
| Ranger FoundationAuburn | Form 990-EZ | $88,775FY2025 |
| American Begonia SocietySacramento | Form 990-EZ | $88,660FY2025 |
| Volunteer Eastern SierraMammoth Lakes | Form 990-EZ | $88,331FY2025 |
901 to 950 of 3,142