• History Museums

• 82.

South County Museum Inc

Preserving and interpreting the history of the farm, village, and sea since 1933.

• Art Museums

• 83.

Hudson River Museum of Westchester

We engage, inspire, & connect diverse communities through the power of the arts, sciences, & history The museum is open to the public.

• Environmental Beautification

• 84.

Somerset CO Recreation and Trails Association

SCRTA, a 501(c)(3) non-profit group, supports the development and maintenance of Somerset County's segment of the Great Allegheny Passage, Somerset Lake Nature Park, and the September 11th National Memorial Trail.

Clark County Historical Society

The Heritage Center is the home of the Clark County Historical Society museum & archives, which helps preserve, share, & showcase generations of history.

Wayne County Historical Society

The official historical society for Wayne County, Pennsylvania.

DUBUQUE COUNTY HISTORICAL SOCIETY

Part aquarium, part museum, part science center.

• Historical Societies and Related Activities

• 88.

Charles County Archaeological Society of Maryland Inc

Charles County Archaeological Society of Maryland Inc Discovering more about Charles County and the MidAtlantic Region through Archaeology March 23 2025 Susquehanna River Art At the March 20 CCASM meeting Paul Nevin talked about the petrogpyphs in a thirty mile stretch of the Lower Susquehanna River at three sites Walnut Island Safe Harbor and Bald Friar.

• Housing Development, Construction, Management

• 89.

GREEN RIVER ASSET BUILDING COALITION INC

The GRABC is a nonprofit whose mission is to help working low and moderate income families become economically self-sufficient.

OPEN LAND CONSERVANCY OF CHESTER COUNTY

Preserving open space in Chester County, Pennsylvania.