| Name | Location | County | Country | Power source | Type | Function | River |
| Cil-rhyg Saw Mill, Llangeitho | Llangeitho | Cardiganshire | United Kingdom | Water | Watermill | Saw mill | Aeron |
| Nant Melyn Saw Mill, Llangeitho | Llangeitho | Cardiganshire | United Kingdom | Water | Watermill | Saw mill | Aeron |
| Rhyd y Pandy Cloth Factory, Llangeitho | Llangeitho | Cardiganshire | United Kingdom | Water | Watermill | Fulling mill | Aeron |