| Name | Location | County | Country | Power source | Type | Function | River |
| Crug-yr-eryr Factory, Talgarreg | Talgarreg, Llandysiliogogo | Cardiganshire | United Kingdom | Water | Watermill | Woollen mill | Clettwr Fawr |
| Woollen factory, Talgarreg | Talgarreg, Llandysiliogogo | Cardiganshire | United Kingdom | Water | Watermill | Woollen mill | Clettwr Fawr |
