Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Advanced Energy InstituteWashington | Form 990 | $8,625,467FY2024 |
| Groundswell IncWashington | Form 990 | $8,552,781FY2024 |
| Natural State LtdWashington | Form 990 | $8,154,315FY2024 |
| Restore Americas EstuariesWashington | Form 990 | $8,108,187FY2024 |
| Evergreen CollaborativeWashington | Form 990 | $7,981,270FY2024 |
| Justice Climate Fund IncWashington | Form 990 | $7,971,950FY2025 |
| U S Water AllianceWashington | Form 990 | $7,907,837FY2025 |
| Ce Buyers InstituteWashington | Form 990 | $7,861,020FY2024 |
| Ecological Society of America IncWashington | Form 990 | $7,667,079FY2025 |
| Citizens for Responsible Energy Solutions ForumWashington | Form 990 | $7,575,775FY2025 |
| American Conservation Coalition IncWashington | Form 990 | $7,424,795FY2025 |
| North American Association for Environmental EducationWashington | Form 990 | $7,361,766FY2024 |
| Mighty Earth IncWashington | Form 990 | $7,323,480FY2024 |
| Smart Growth AmericaWashington | Form 990 | $7,203,795FY2025 |
| Environmental Law Institute IncWashington | Form 990 | $7,186,072FY2024 |
| Rights and Resources Institute IncWashington | Form 990 | $7,154,790FY2024 |
| Clean Economy FundWashington | Form 990 | $6,977,141FY2025 |
| Environmental Integrity ProjectWashington | Form 990 | $6,866,735FY2024 |
| Coastal States Stewardship FoundationWashington | Form 990 | $6,706,511FY2024 |
| Institute for Market Transformation IncWashington | Form 990 | $6,537,555FY2024 |
| Clean Water FundWashington | Form 990 | $6,129,795FY2024 |
| American Flood Coalition IncWashington | Form 990 | $6,022,827FY2024 |
| Forest Trends AssociationWashington | Form 990 | $6,019,529FY2025 |
| Climate Resilience for AllWashington | Form 990 | $5,930,163FY2025 |
| Zero Emission Transportation AssociationWashington | Form 990 | $5,556,917FY2025 |
| International Conservation Caucus FoundationWashington | Form 990 | $5,509,027FY2025 |
| Conservation Innovation FundWashington | Form 990 | $5,268,393FY2025 |
| Bureau of Land Management FoundationWashington | Form 990 | $5,082,083FY2024 |
| Rewiring Community Investment Fund IncWashington | Form 990 | $5,028,252FY2024 |
| Amazon Conservation AssociationWashington | Form 990 | $4,751,861FY2024 |
| Society for Conservation BiologyWashington | Form 990 | $4,182,998FY2025 |
| Alaska Wilderness LeagueWashington | Form 990 | $4,009,193FY2025 |
| Electrification Coalition FoundationWashington | Form 990 | $3,984,133FY2024 |
| Climate Leadership Council IncWashington | Form 990 | $3,958,282FY2024 |
| Oo ProjectWashington | Form 990 | $3,862,117FY2025 |
| Environmental Protection NetworkWashington | Form 990 | $3,848,320FY2024 |
| Renewable Energy Wildlife InstituteWashington | Form 990 | $3,810,980FY2024 |
| Delterra IncWashington | Form 990 | $3,738,080FY2024 |
| Green Seal IncWashington | Form 990 | $3,698,081FY2025 |
| Sunrise Movement Education FundWashington | Form 990 | $3,683,487FY2024 |
| Society for Ecological Restoration IncWashington | Form 990 | $3,454,453FY2024 |
| Center for Carbon RemovalWashington | Form 990 | $3,431,719FY2025 |
| The National Environmental Education and Training FoundationWashington | Form 990 | $3,382,131FY2025 |
| Earth Day Network IncWashington | Form 990 | $3,344,612FY2024 |
| Greenlight AmericaWashington | Form 990 | $3,241,903FY2024 |
| Friends of the National Arboretum IncWashington | Form 990 | $3,080,993FY2024 |
| Inter Union for Conservation of Nature & Natural Resources Utd StWashington | Form 990 | $3,074,237FY2025 |
| EcoamericaWashington | Form 990 | $3,003,187FY2024 |
| Potomac Riverkeeper IncWashington | Form 990 | $2,624,478FY2024 |
| Energy for Growth HubWashington | Form 990 | $2,561,222FY2024 |
51 to 100 of 313