| Abbreviation | Definition |
|---|---|
| GUEX | General American Marks Company |
| GURZ | Grafton and Upton Railroad |
| GURZ | Grafton and Upton Railroad Company |
| GVCU | Grand View Development |
| GVCU | GVC (Grand View Development) |
| GVCX | Glen-Valley Corporation |
| GVDX | GEON Company |
| GVDX | Oxy Vinyls |
| GVJ | Gatineau Valley Junction |
| GVR | The Grande Valley Railroad |
| GVSR | Galveston Railroad |
| GVSR | Galveston Railroad L. P. |
| GW | Great Western |
| GWAX | Railroad Salvage and Restoration |
| GWAX | Railroad Salvage and Restoration, Inc. |
| GWCU | Great Western Steamship Company |
| GWCX | Greenway Centre |
| GWCX | Greenway Centre, LLC. |
| GWER | Gateway Eastern Railway (Kansas City Southern Railway) |
| GWF | Galveston Wharves |