| Abbreviazione | Designazione | |
|---|---|---|
| EWS | Eifel-Westerwald-Sieg (HE/NW/RP), Dieselnetz Eifel-Westerwald-Sieg (Tedesco) | franchising / concessione |
| EWS | English, Welsh & Scottish Railway, English Welsh & Scottish Railway Holdings Ltd. (Inglese) | impresa ferroviaria |