Allegheny County Conservation District
American Eagle Outfitters Foundation
Audubon Society of Western Pennsylvania
Babcock Charitable Trust
Citizens for the Arts in Pennsylvania
Claude Worthington Benedum Foundation
Comcast NBCUniversal Foundation
Eden Hall Foundation
Foundation for Pennsylvania Watersheds
Fox Chapel Garden Club
Friends of South Park
Garden Club of Allegheny County
Hillman Family Foundations
Jendoco Construction and Real Estate
Jewish Healthcare Foundation
Katherine Mabis McKenna Foundation
La Roche College
Lennon Smith Souleret Engineering, Inc.
Mascaro Family Foundation
OTB Bikeworks Inc.
Pennsylvania Department of Environmental Protection
Pennsylvania Department of Conservation & Natural Resources
Pashek + MTR
Pittsburgh Penguins Foundation
PNC Charitable Trusts
Rachel Carson Trails Conservancy, Inc.
Regional Asset District
REI – Pittsburgh
Richard King Mellon Foundation
Snee-Reinhardt Charitable Foundation
The Charity Randall Foundation
The Fine Foundation
The Heinz Endowments
The Pittsburgh Foundation – Peaceable Kingdom Fund
Victor and Anna Mae Beghini Charitable Foundation
Western PA Unit of the Herb Society of America
Contributors of $1,000 or more in a single year since 2015.
Event sponsorships are not included on this list. See events for those donors.