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Organization Location Revenue Expenses Assets Program Fundr. cost Employees Type Follow
Old Dominion Land Conservancy INC Educate the public about the importance of conservation. Protect and preserve virginia's historic… 54-1897302 · FY2024 Purcellville, VA $131.3M $129.5M $6.6M 100% 0% 2 501(c)(3)
Grand Traverse Regional Land Conservancy To protect significant natural, scenic and farm lands and advance LAND stewardship now and for future… 38-2994229 · FY2024 Traverse City, MI $34.5M $14.8M $125.1M 89% 6% 38 501(c)(3)
Western Rivers Conservancy WESTERN RIVERS conservancy's mission is to protect outstanding river ecosystems in the WESTERN united states… 93-1326405 · FY2023 Portland, OR $25.2M $15.6M $54.4M 87% 6% 24 501(c)(3)
Heritage Conservancy INC We are a community based organization dedicated to the preservation and protection of significant open… 23-6296515 · FY2024 Doylestown, PA $12.5M $3.2M $39.9M 68% 16% 58 501(c)(3)
Legacy Land Conservancy To protect natural areas, working farmlands, waters and recreation spaces in southeastern michigan. 38-2899980 · FY2024 Ann Arbor, MI $6.9M $4.4M $12.4M 91% 4% 14 501(c)(3)
Buffalo Olmsted Parks Conservancy INC Preservation of buffalo's historic OLMSTED PARKS 22-2720927 · FY2024 Buffalo, NY $6.6M $7.4M $3.2M 86% 4% 133 501(c)(3)
Rivers of Steel Heritage Corporation RIVERS of STEEL HERITAGE CORPORATION conserves, interprets, develops, and promotes historical, cultural and… 25-1672667 · FY2024 Homestead, PA $6.6M $4.0M $20.2M 66% 6% 82 501(c)(3)
Conservancy for Cuyahoga Valley National Park CONSERVANCY for CUYAHOGA VALLEY NATIONAL PARK is a nonprofit corporation with the mission to enrich lives and… 34-1917257 · FY2024 Peninsula, OH $6.3M $7.2M $10.3M 72% 12% 111 501(c)(3)
New River Conservancy To protect the water woodlands and wildlife of the New River Watershed. 58-1949660 · FY2024 W Jefferson, NC $2.6M $2.0M $3.2M 92% 4% 8 501(c)(3)
American River Conservancy To conduct land conservation, stewardship and education in the upper AMERICAN RIVER and upper cosumnes RIVER… 68-0195752 · FY2024 Coloma, CA $2.3M $2.0M $51.3M 66% 5% 15 501(c)(3)
Historic Virginia Land Conservancy Promoting for the benefit of the general public, the preservation, protection and enjoyment of our natural… 54-1557491 · FY2024 Williamsburg, VA $1.5M $1.5M $2.1M 96% 2% 4 501(c)(3)
Vermont River Conservancy INC Protect land along rivers, lakes and wetlands of VERMONT. 03-0347147 · FY2024 Montpelier, VT $1.3M $1.0M $1.9M 78% 3% 4 501(c)(3)
Charles River Conservancy INC The Charles River Conservancy, Inc. strives to make the Charles River and its parks a well-maintained network… 04-3503656 · FY2024 Cambridge, MA $1.1M $1.0M $1.4M 65% 15% 7 501(c)(3)
Columbus Historical Preservation Trust PRESERVATION, display and use of historic buildings 74-1948585 · FY2024 Columbus, TX $850.4K $27.6K $3.1M 100% 0% — 501(c)(3)
North Cuyahoga Valley Corridor INC Preserving cultural & natural history of NE Ohio. Assists in the preservation of the Ohio Canalway 34-1470989 · FY2024 Cleveland, OH $831.3K $577.9K $1.3M 76% 7% 5 501(c)(3)
Heritage Preservation INC Preserving historical structures 47-2744835 · FY2024 River Heights, UT $793.4K $166.8K $7.0M 100% 0% — 501(c)(3)
The Merrill W Linn Land & Waterways Conservancy Preservation of ecological sites 23-2533918 · FY2024 Lewisburg, PA $675.5K $347.0K $1.1M 94% 3% — 501(c)(3)
Ohio & Erie Canal Association To Preserve and support the Historic Ohio & Erie Canal 34-1835341 · FY2023 Akron, OH $578.6K $578.4K $1.2M 94% 0% — 501(c)(3)
Western Wildlife Corridor INC To preserve the scenic beauty and natural resources of the Ohio River Valley 31-1350835 · FY2024 Cincinnati, OH $551.5K $292.8K $3.3M 68% 17% 1 501(c)(3)
Great Rivers Land Preservation Association INC Protection of property for conservation purposes through easements and acquisition 37-1309728 · FY2024 Alton, IL $538.6K $459.3K $15.1M 52% 9% 5 501(c)(3)
River Fields INC To protect, preserve and enhance the natural and cultural resources, including agricultural and scenic… 61-6032501 · FY2024 Louisville, KY $450.3K $458.9K $4.5M 66% 13% 4 501(c)(3)
Thames River Heritage Park Foundation INC To develop, promote, coordinate, and help preserve the state PARK known as the THAMES RIVER HERITAGE PARK. 81-1693888 · FY2024 Groton, CT $336.3K $410.8K $41.7K 84% 1% 2 501(c)(3)
Headwaters Land Conservancy The purpose of HEADWATERS LAND CONSERVANCY is to protect the natural beauty of northeast michigan by… 38-3183846 · FY2024 Gaylord, MI $257.4K $320.1K $2.1M 69% 5% 5 501(c)(3)
Environmental Conservancy of North Port INC Acquisition of land for preservation 84-4132468 · FY2025 North Port, FL $254.8K $41.1K $567.1K 25% 31% 1 501(c)(3)
Indian River Lakes Conservancy To preserve the INDIAN RIVER LAKES region for its natural, recreational, and scenic values. 16-1555636 · FY2024 Redwood, NY $254.7K $343.2K $2.0M 60% 3% 3 501(c)(3)
Eagle River Revitalization Program INC Economic/historic REVITALIZATION 39-1970671 · FY2024 Eagle River, WI $188.6K $179.7K $156.4K 100% 0% 2 501(c)(3)
Jacksonville Riverfront Alliance INC 87-2181821 · FY2024 Jacksonville, FL $154.0K — $266.8K — — — 501(c)(3)
Ohio County Historical Society INC To promote the heritage of OHIO COUNTY through the collection, preservation, and display of artifacts… 23-7078487 · FY2024 Rising Sun, IN $136.0K $151.4K $449.8K 100% 0% 6 501(c)(3)
Chesapeake and Ohio Canal Association INC We assist the National Park Service in preserving and promoting the Chesapeake and Ohio Canal National… 54-1384406 · FY2025 Glen Echo, MD $133.3K $37.0K $633.3K 99% 0% — 501(c)(3)
North Central Ohio Land Conservancy INC Protecting natural areas in Ohio through conservation easements and public education regarding the importance… 34-1723692 · FY2024 Mansfield, OH $132.2K $120.8K $2.7M 100% 0% 12 501(c)(3)
Kings River Conservancy 20-1412823 · FY2024 Reedley, CA $122.4K — $376.6K — — — 501(c)(3)
Ohio Natural Areas and Preserves Association We are dedicated to promoting protecting and improving Ohios natural areas and preserves. 45-5080814 · FY2024 Johnstown, OH $107.9K — $416.3K — — — 501(c)(3)
Grove Heritage Association INC Historical preservation of park site 51-0194194 · FY2024 Glenview, IL $104.9K $42.8K $488.6K 7% 0% — 501(c)(3)
Highland Park Conservancy INC Preserve Highland Park's unique heritage and promote its vast resources. The Highland Park Conservancy is… 54-2128199 · FY2024 Rochester, NY $96.2K $30.2K $1.4M 68% 0% — 501(c)(3)
Ohio Stream Preservation INC C/O Jeff Filarski PRESERVATION of ohio's wetlands and streams 34-1909500 · FY2023 Oakwood Village, OH $92.2K $27.6K $517.3K 100% 0% — 501(c)(3)
Rivers to Ridges Heritage Trail INC 13-4336082 · FY2024 Scott Depot, WV $65.5K — $19.8K — — — 501(c)(3)
West Central Ohio Land Conservancy To preserve, protect, and conserve natural and cultural resources in the form of agricultural LAND, forests… 51-0567573 · FY2025 Bluffton, OH $63.9K $39.4K $531.6K 72% 0% 1 501(c)(3)
Buckeye Conservancy 94-3368651 · FY2024 Ferndale, CA $63.2K — $68.6K — — — 501(c)(3)
Historic River District 82-3987983 · FY2024 Ozark, MO $53.9K — $67.0K — — — 501(c)(3)
2,046,138
nonprofits
212,946
funders
12,515,252
grants
22,549,931
directors
214,365
service providers
549,896,012
financial lines
Public data from IRS Form 990 e-file & Business Master File. A 990 shows reported financial activity, not measured program outcomes. Assets are from the IRS BMF and may lag the latest filing; fundraising cost is fundraising expenses as a share of total expenses. · philanthropy.org