Our Members
- Amberley Village
- Village of Addyston
- Anderson Township
- City of Bellbrook
- City of Blue Ash
- City of Brookville
- Butler County
- City of Carlisle
- Centerville-Washington Park District
- City of Cheviot
- City of Clayton
- Village of Cleves
- Colerain Township
- Columbia Township
- City of Deer Park
- Deerfield Township
- Delhi Township
- Village of Evendale
- Village of Fairfax
- City of Fairfield
- City of Forest Park
- Village of Glendale
- Village of Golf Manor
- Great Parks of Hamilton County
- Green Township
- Village of Greenhills
- Hamilton County
- Hamilton Township
- Village of Indian Hill
- City of Lebanon
- Liberty Township
- Village of Lincoln Heights
- Little Miami Joint Fire District
- Village of Lockland
- City of Loveland
- City of Madeira
- Village of Mariemont
- City of Mason
- MetroParks of Butler County
- Miami Township, Clermont County
- Miami Township, Hamilton County
- Miami Township, Montgomery County
- City of Miamisburg
- City of Middletown
- City of Milford
- City of Monroe
- City of Montgomery
- City of Mt. Healthy
- Village of Newtown
- City of North College Hill
- City of Norwood
- Pierce Township
- City of Reading
- City of Riverside
- City of Sharonville
- Village of Silverton
- City of South Lebanon
- City of Springboro
- City of Springdale
- Springfield Township
- City of St. Bernard
- Sycamore Township
- City of Trenton
- City of Trotwood
- Union Township, Clermont County
- City of Vandalia
- Washington Township
- West Chester Township
- Whitewater Township
- Village of Woodlawn
- City of Wyoming
- Village of Yellow Springs