Baltimore, MD
Baltimore City Recreation & Parks Forestry Division
United States Forest Service – Baltimore Urban Field Station
Boston, MA
Massachusetts Department of Conservation and Recreation – Urban and Community Forestry Program
Cleveland, OH
The Holden Arboretum (Kirtland, OH)
Western Reserve Land Conservancy
Newark, NJ
City of Newark – Office of Sustainability
New York, NY
New York City Department of Parks and Recreation
United States Forest Service – New York City Urban Field Station
Philadelphia, PA
Pennsylvania Horticultural Society
Philadelphia Parks and Recreation
United States Forest Service – Philadelphia Urban Field Station
Washington, DC
District Department of Energy & Environment
Other Cities
Arbor Day Foundation | St. Lincoln, NE
Cary Institute of Ecosystem Studies | Millbrook, NY
National Socio-Environmental Synthesis Center (SESYNC) | Anapolis, MD
Tree Pittsburgh | Pittsburgh, PA
Urban Resources Initiative | New Haven, CT
West Virginia University, College of Agriculture, Natural Resources and Design | Morgantown, WV
Worcester Tree Initiative | Worcester, MA