| Abbreviation | Definition |
|---|---|
| UYLZ | United Yugoslav Lines |
| V&T | Virginia Truckee Railroad |
| V&T | Virginia & Truckee Railroad |
| VAEX | Vale Railway |
| VAIU | Transports International Vaicon |
| VAIX | Vought Aircraft Industries |
| VALE | Valley Railroad |
| VALE | Valley Railroad Company |
| VALU | Valmer Lines Shipping |
| VALX | Sierra Pacific Power (Idaho Power) |
| VALX | Sierra Pacific Power Company/ Idaho Power Company |
| VAPX | Virginia Power |
| VARX | Virginia and Atlantic Railway Corporation |
| VB | Van Buren Bridge |
| VB | Van Buren Bridge Company |
| VC | Virginia Central Railway |
| VCRR | Ventura County Railroad |
| VCRR | Ventura County Railroad Company |
| VCRX | Vaughn Leasing and Rental Corporation |
| VCSX | Celtran Incorporated - Subsidiary of Hoechst Celanese Corporation |