- Bala Lake Railway
- Cambrian Heritage Railways
- Conway Valley Railway Museum
- Corris Railway
- Fairbourne Railway
- Ffestiniog & Welsh Highland Railway
- Great Orme Tramway
- Llangollen Railway
- Railways of Llanberis (Snowdon Mountain Railway, Llanberis Lake Railway & National Slate Museum)
- Pontypool & Blaenavon Railway
- Rhyl Miniature Railway
- Talyllyn Railway
- Welsh Highland Heritage Railway
- Welshpool & Llanfair Railway
- Vale of Rheidol Railway