| Allegany County MD |
| Allegheny County, PA |
| Allegheny Foundation |
| Allegheny Regional Asset District |
| Allegheny Trail Alliance |
| Bikes Belong |
| Buhl Foundation |
| Byham Charitable Foundation |
| Charles Burke |
| Claude Worthington Benedum Foundation |
| Colcom Foundation |
| Commonwealth of PA |
| Community Foundation for the Alleghenies |
| County of Somerset |
| CSX Corporation |
| Dominion – PEC |
| Doppelt Family Fund |
| Fayette County |
| Federal – TEA, TEA-21 |
| Heinz Endowments |
| Hillman Foundation, Inc. |
| Jewish Healthcare Foundation |
| Jones Fund, Donald H. & Barbara A. |
| Katherine Mabis McKenna Foundation |
| Land and Water Conservation Fund of the MPS |
| Laurel Foundation |
| Mary Shaw & Roy Weil |
| McCune Foundation |
| Millstein Charitable Foundation |
| PA Department of Conservation and Natural Resources |
| PA Redevelopment Assistance Capital Program |
| PennDOT |
| Pennsylvania Environmental Council |
| Pittsburgh Foundation |
| Richard A Mellon (Path to the Point) |
| Richard King Mellon Foundation |
| Robinson Family Foundation |
| Roy A. Hunt Foundation |
| S. Kent Rockwell Foundation |
| Somerset County |
| Somerset Rails-Trails Association |
| Somerset Trust Company |
| Southwestern Pennsylvania Heritage Preservation Commission (SPHPC) |
| State of Maryland |
| TrailBook/TrailGuide |
| United States Steel Corporation |
| Walden Trust |
| West Homestead |
| Westmoreland County |
