| 1 | VTR | Air Ostrava | IATA: 8K, Callsign: Vitek, Ceased operations in 2000. | CZ | AVCODES |
| 2 | VTR | Traverse-Avia Service Ltd | | RUS | AVCODES |
| 3 | VTR | Vermont Ry., Inc. | 1/1975-7/2005 | | NAKINA |
| 4 | VTR | Vermont Ry., Inc. | 1/75-7/2000 | | NRHS |
| 5 | VTR | VERMONT RAILWAY, INC. | | | PWRC |
| 6 | VTR | Vermont Railway | | | RSRV |
| 7 | VTR | Vermont Railway | | USA | TRAFFIC |
| 8 | VTRA | Vest Trans Rail | | RO | TRAFFIC |
| 9 | VTRC | VEER TRUCKING INC | | | SCAC4 |
| 10 | VTRE | VETTER TRUCKING | | | SCAC4 |
| 11 | VTRF | VALLEY TRANSPORT REFRIGERATION | | | SCAC4 |
| 12 | VTRG | V TRUCKING CO INC | | | SCAC4 |
| 13 | VTRI | VINTAGE TRANSPORTATION | | | SCAC4 |
| 14 | VTRK | VALENCIA TRUCKING | | | SCAC4 |
| 15 | VTRL | (VTR) VERMONT RAILWAY, INC. | | | PWRC |
| 16 | VTRP | VINE TRANSPORTATION COMPANY INC | | | SCAC4 |
| 17 | VTRR | VIRGINIA & TRUCKEE RAILROAD CO. | | | PWRC |
| 18 | VTRR | Virginia & Truckee Ry. | Real: V&T | USA | TRAFFIC |
| 19 | VTRS | VIA TRANS | | | SCAC4 |
| 20 | VTRW | VALLIER TRUCKING | | | SCAC4 |
| 21 | VTRY | VAYA TRUCKING | | | SCAC4 |
| 22 | VTRZ | (VTR) VERMONT RAILWAY, INC. | | | PWRC |
| 23 | VTRZ | Vermont Railway | | | RSRV |
| 24 | VTRZ | VERMONT RAILWAY INC | | | SCAC4 |
