D-K
- Dittrick Museum
- Donauschwaben's German American Cultural Center
- Dr. Bob's Home
- Dunham Tavern Museum
- Euclid Historical Society Museum
- F.A. Seiberling Nature Realm Visitors Center
- Fairport Harbor Lighthouse & Museum
- Federal Reserve Bank of Cleveland Money Museum
- Finnish Heritage Museum
- Firelands Archaeology
- Friends of Crowell Hilaka (for Richfield Heritage Preserve) Richfield Heritage Preserve)
- Garfieldd Heights Historical Society
- Gates Mills Historical Society
- Great Lakes Science Center
- Hale Farm & Village
- Heritage Avon Lake
- Heritage Avon Lake - Peter Miller House Museum
- Herps Alive Foundation Reptile Rescue and Education Center
- Hinckley Historical Society Research Library and Office
- Historic Kirtland Visitors' Center
- Hower House Museum
- Indian Museum of Lake County
- International Women's Air & Space Museum
- James A. Garfield Birthsite Park
- James A. Garfield Historical Society
- Kent State University Museum
- Kirtland Temple Historic Site