Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Western Pennsylvania ConservancyPittsburgh | Form 990 | $41,640,928FY2025 |
| Pennsylvania Horticultural SocietyPhiladelphia | Form 990 | $40,908,442FY2025 |
| Natural Lands Trust IncorporatedMedia | Form 990 | $26,592,726FY2025 |
| Fairmount Park ConservancyPhiladelphia | Form 990 | $17,856,170FY2025 |
| Phipps Conservatory and Botanical Gardens IncPittsburgh | Form 990 | $16,088,921FY2025 |
| Young Womens Christian AssociationHanover | Form 990 | $13,449,078FY2025 |
| Ruffed Grouse SocietyPittsburgh | Form 990 | $10,982,779FY2025 |
| Earth ConservancyAshley | Form 990 | $10,070,266FY2025 |
| Lancaster Farmland TrustStrasburg | Form 990 | $9,486,707FY2025 |
| Lancaster County ConservancyLancaster | Form 990 | $8,024,492FY2025 |
| Pennsylvania Environmental Council IncPittsburgh | Form 990 | $7,028,382FY2025 |
| Allegheny Land TRSewickley | Form 990 | $6,972,178FY2025 |
| Center for Coalfield JusticeWashington | Form 990 | $6,006,007FY2025 |
| RiverlifePittsburgh | Form 990 | $5,788,398FY2025 |
| Northcentral Pennsylvania ConservancyWilliamsport | Form 990 | $5,189,926FY2024 |
| Berks NatureReading | Form 990 | $5,146,479FY2025 |
| John J Tyler ArboretumMedia | Form 990 | $4,687,468FY2026 |
| Friends of the Pittsburgh Urban ForestPittsburgh | Form 990 | $4,490,219FY2025 |
| Willistown Conservation Trust IncNewtown Square | Form 990 | $4,267,973FY2025 |
| Clean Air CouncilPhiladelphia | Form 990 | $4,182,595FY2025 |
| Delaware Bay and River Cooperative IncBoothwyn | Form 990 | $4,055,196FY2024 |
| Friends of the Wissahickon IncPhiladelphia | Form 990 | $3,610,354FY2024 |
| Allegheny County Conservation DistrictPittsburgh | Form 990 | $3,459,402FY2024 |
| Building Performance Foundation IncPittsburgh | Form 990 | $3,349,856FY2024 |
| Brandywine Red Clay AllianceWest Chester | Form 990 | $3,344,117FY2025 |
| Schuylkill River Greenway AssnPottstown | Form 990 | $3,166,323FY2024 |
| Wildlands Conservancy IncEmmaus | Form 990 | $3,158,448FY2025 |
| Citizens for Pennsylvanias FutureHarrisburg | Form 990 | $3,158,150FY2025 |
| French and Pickering Creeks Conservation Trust IncDevault | Form 990 | $3,129,534FY2024 |
| Riverbend Environmental Education Center IncGladwyne | Form 990 | $3,095,521FY2025 |
| Sustainable Electronics Recycling InternationalHarrisburg | Form 990 | $3,016,283FY2024 |
| The Schuylkill Center for Environmental EducationPhiladelphia | Form 990 | $2,973,434FY2025 |
| The Clearwater Conservancy of Central Pennsylvania IncState College | Form 990 | $2,944,886FY2024 |
| Pennypack Ecological Restoration TRHuntingdon Valley | Form 990 | $2,802,252FY2025 |
| Central Pennsylvania ConservancyCarlisle | Form 990 | $2,681,756FY2024 |
| Mountain Watershed AssociationMelcroft | Form 990 | $2,633,567FY2025 |
| Wissahickon Valley Watershed Association IncAmbler | Form 990 | $2,501,435FY2025 |
| North American Land TrustChadds Ford | Form 990 | $2,373,245FY2024 |
| Air and Waste Management AssociationPittsburgh | Form 990 | $2,338,619FY2024 |
| Keystone Elk Country AllianceBenezette | Form 990 | $2,338,072FY2025 |
| Construction Junction IncPittsburgh | Form 990 | $2,225,208FY2024 |
| Pennsylvania Resources CouncilPittsburgh | Form 990 | $2,053,091FY2024 |
| Pennsylvania Wilds Center for EntrepreneurshipKane | Form 990 | $2,032,902FY2025 |
| Venture Outdoors IncPittsburgh | Form 990 | $2,020,445FY2024 |
| Armstrong Trails IncKittanning | Form 990 | $2,017,959FY2025 |
| Green Building UnitedPhiladelphia | Form 990 | $1,887,251FY2024 |
| Countryside ConservancyLa Plume | Form 990 | $1,881,281FY2024 |
| Farm & Natural Land Trust of York CountyYork | Form 990 | $1,851,538FY2025 |
| Women for a Healthy EnvironmentPittsburgh | Form 990 | $1,800,967FY2025 |
| Pennsylvania Parks and Forests FoundationCamp Hill | Form 990 | $1,770,133FY2025 |
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