Lancaster Farmland Trust
- Private, non-profit organization working to preserve farms.
- http://www.lancasterfarmlandtrust.org

Montgomery County Lands Trust
- Non-profit land conservancy aiding the citizens of Montgomery County in conserving, protecting and managing the valuable natural assets that abound throughout the region.
- http://www.mclt.org/

Land Conservancy of Adams County
- Land preservation in Adams County, Pennsylvania. Provides gallery, how to help, and information on projects.
- http://www.lcacnet.org/

Pennypack Ecological Restoration Trust
- A private, non-profit land trust located in Huntingdon Valley, Pennsylvania, managing 720 acres of protected meadows, woodlands and floodplain forest, open to the public.
- http://www.pennypacktrust.org/

Lebanon Valley Conservancy
- Promotes conservation of natural resources, open spaces and agricultural lands through public awareness and education. Includes news, photographs, and ways to help.
- http://www.lebanonvalleyconservancy.org/

Hollow Oak Land Trust
- Non-profit organization working to advance the benefits of conservation through education, land acquisition, and community partnerships.
- http://hollowoak.org/

Pennsylvania Land Trust Association
- Organization goals and contact information.
- http://www.conserveland.org/

Wildlands Conservancy
- Non-profit organization located at the Pool Wildlife Sanctuary in Emmaus. Programs, events, and organization details.
- http://www.wildlandspa.org/

Western Pennsylvania Conservancy
- Ways to contribute, volunteer and career opportunities, news, conservation programs, and contact information.
- http://www.paconserve.org/

Northcentral Pennsylvania Conservancy
- Private, nonprofit, member-supported organization dedicated to protecting and preserving land and landmarks of special natural or historic value in northcentral Pennsylvania.
- http://www.npcweb.org/

Natural Lands Trust
- Conserving land in the greater Philadelphia region. News, organization details, preserves, planning, and ways to become involved.
- http://www.natlands.org/

The Manada Conservancy
- Local non-profit membership organization dedicated to the protection and preservation of the natural, historic, agricultural and scenic resources of the Manada and Swatara Creek basins in Dauphin and Lebanon counties.
- http://www.manada.org/

Lower Merion Conservancy homepage
- Community nonprofit seeking to preserve open spaces and historic heritage. Newsletter, membership details, education, and calendar of events.
- http://www.lmconservancy.org/

Lancaster County Conservancy
- Organization that preserves and conserves natural spaces. Includes information on activities, events, properties and memberships.
- http://www.lancasterconservancy.org/

Heritage Conservancy
- Founded in 1958, it was concern for the rapid loss of open space in Bucks County which led to the formation of the Bucks County Park Foundation, known today as Heritage Conservancy. Headquarted in Doylestown, Pa.
- http://www.heritageconservancy.org/

Farm and Natural Lands Trust of York County
- Organization dedicated to preserving farmland and open spaces in York County.
- http://www.farmtrust.org/

Delaware Highlands Conservancy
- Information on land protection and conservation easements, event schedule, and ways to help.
- http://www.delawarehighlands.org/

ClearWater Conservancy
- Mobilizing the communities of Centre County to foster conservation of water resources, open spaces, natural habitats and rare ecosystems as the county experiences urbanization. Includes news, projects, membership information, employment and volunteer oppo
- http://www.clearwaterconservancy.org/

Allegheny Land Trust
- Independent non-profit organization incorporated in 1993 to protect lands of natural value in and adjacent to Allegheny County.
- http://www.alleghenylandtrust.org/

Bedminster Land Conservancy
- Committed to the protection and preservation of the agricultural heritage and rural lifestyle of Bedminster and neighboring communities.
- http://www.bedminsterlandconservancy.org/

Berks Conservancy
- Read the mission statement or learn about projects and initiatives from this organization working to preserve the county's cultural and environmental heritage.
- http://www.berks-conservancy.org/

Brandywine Conservancy
- Non-profit land and water conservation organization protecting natural resources in southeastern Pennsylvania and northern Delaware.
- http://www.brandywineconservancy.org/

North Branch Land Trust
- Pennsylvania conservation, land use planning, and historic preservation agency. Includes news and events, volunteer and training opportunities, archived newsletters, and landowner options.
- http://www.nblt.org/