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 Conservation Fund a Nonprofit CorporationArlington | Form 990 | $329,373,956FY2025 |
| Conservation International FoundationArlington | Form 990 | $308,673,004FY2025 |
| Center for International Forestry ResearchAlexandria | Form 990 | $48,574,398FY2024 |
| International Centre for Research in AgroforestryAlexandria | Form 990 | $45,412,924FY2024 |
| Rare IncArlington | Form 990 | $42,894,830FY2025 |
| Mattress Recycling CouncilAlexandria | Form 990 | $41,822,362FY2024 |
| Water Environment FederationAlexandria | Form 990 | $31,015,734FY2025 |
| National Recreation & Park AssociationAshburn | Form 990 | $24,296,620FY2025 |
| Norfolk Botanical Garden IncNorfolk | Form 990 | $17,765,314FY2025 |
| Global Water ChallengeArlington | Form 990 | $14,251,851FY2024 |
| Lewis Ginter Botanical Garden IncRichmond | Form 990 | $13,494,627FY2025 |
| Piedmont Environmental CouncilWarrenton | Form 990 | $12,005,795FY2024 |
| Nature for JusticeFalls Church | Form 990 | $11,883,909FY2025 |
| Council on Library and Information ResourcesAlexandria | Form 990 | $11,315,817FY2025 |
| Global Environment & Technology FoundationArlington | Form 990 | $10,998,224FY2025 |
| Green Blue InstituteCharlottesville | Form 990 | $10,698,025FY2024 |
| NatureserveArlington | Form 990 | $8,529,867FY2025 |
| Health Care Without HarmReston | Form 990 | $8,527,842FY2024 |
| Energy Systems Integration Group IncReston | Form 990 | $6,441,697FY2025 |
| James River AssociationRichmond | Form 990 | $6,318,527FY2025 |
| Capital Region Land Conservancy IncRichmond | Form 990 | $5,709,691FY2024 |
| The Lamb CenterFairfax | Form 990 | $5,510,650FY2025 |
| Fonds de Preservation de La Biodiversite Au Gabon IncArlington | Form 990 | $5,457,887FY2024 |
| Public Democracy AmericaGreat Falls | Form 990 | $5,181,230FY2024 |
| Global Forest Generation IncArlington | Form 990 | $4,622,234FY2025 |
| Botanical Garden of the PiedmontCharlottesville | Form 990 | $4,545,390FY2025 |
| Conservation AlliesHerndon | Form 990 | $4,170,441FY2025 |
| GENERATION180Charlottesville | Form 990 | $3,842,943FY2024 |
| Beneficial Electrification LeagueArlington | Form 990 | $3,615,564FY2025 |
| CO2 Coalition IncFairfax | Form 990 | $3,488,671FY2025 |
| Elizabeth River ProjectNorfolk | Form 990 | $3,481,982FY2025 |
| American Horticultural Society IncAlexandria | Form 990 | $3,389,584FY2025 |
| Land Trust of Virginia IncMiddleburg | Form 990 | $3,350,315FY2025 |
| Local Energy Alliance Program IncCharlottesville | Form 990 | $3,306,123FY2025 |
| Shenandoah National Park TrustCharlottesville | Form 990 | $2,483,944FY2025 |
| Friends of the Rappahannock IncFredericksburg | Form 990 | $2,375,097FY2024 |
| Ecoagriculture International IncOakton | Form 990 | $2,363,308FY2024 |
| Green Infrastructure Center IncCharlottesville | Form 990 | $2,295,757FY2025 |
| Willowsford ConservancyAldie | Form 990 | $2,225,645FY2024 |
| Ajp Educational Foundation IncFalls Church | Form 990 | $2,144,747FY2024 |
| Horizon Climate Initiative IncCharlottesville | Form 990 | $2,019,808FY2024 |
| ViridiantRichmond | Form 990 | $1,911,828FY2024 |
| Garden Club of Virginia IncRichmond | Form 990 | $1,886,878FY2025 |
| American Society for Horticultural ScienceAlexandria | Form 990 | $1,805,641FY2024 |
| Lynnhaven River NowVirginia Beach | Form 990 | $1,790,915FY2025 |
| Galapagos Life FundKeswick | Form 990 | $1,764,129FY2024 |
| Association of State Drinking Water AdministratorsArlington | Form 990 | $1,647,444FY2025 |
| Friends of Dragon Run IncGloucester | Form 990 | $1,628,986FY2025 |
| Historic Virginia Land ConservancyWilliamsburg | Form 990 | $1,491,947FY2024 |
| Ward Burton Wild Life FoundationHalifax | Form 990 | $1,465,607FY2025 |
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