Municipal & Government Agencies
Chicago Botanic Garden
Chicago Park District
City of Ann Arbor, Michigan
City of Cedar Rapids, Iowa
City of Charles City, Iowa
City of Coralville, Iowa
City of Detroit, Michigan
City of Chicago, Department of the Environment
City of Chicago, Department of Water Management
City of Elmhurst, Illinois
City of Milwaukee, Wisconsin
City of San Jacinto, Texas
City of Waukegan, Illinois
DuPage County, Illinois
Forest Preserve District of Cook County, Illinois
Iowa Department of Economic Development
Lake County Forest Preserve, Illinois
Kane County, Illinois
Kent County Michigan Park and Recreation Department
Historic 6th Street Association - Racine, Wisconsin
Lake County Stormwater Management Commission
McHenry County Conservation District
Metropolitan Water Reclamation District of Greater Chicago
Midewin Tallgrass Prairie
National Park Service
POAH
Pokagon Band of Potawatomi Indians
Village of Highland Park
Washtenaw County Park and Recreation
Westmont Park District