| 1 | VSO | Voronezh Aircraft Manufacture Society | Callsign: Vaso, Designator DN recalled by IATA | RUS | AVCODES |
| 2 | VSO | Voronezh Aircraft Manufacture Society | IATA: DN, Callsign: Vaso, Designator DN recalled by IATA | RUS | AVCODES |
| 3 | VSO | Voronezh Aircraft Manufacturing Society | | | ICAO1 |
| 4 | VSO | Valdosta Southern R.R. | 1/1975-1/1980; eliminated 4/1992 | | NAKINA |
| 5 | VSO | Valdosta Southern R.R. | 1/75-1/80; eliminated 4/92 | | NRHS |
| 6 | VSO | RETIRED 01-02-92 ATP (816) [VALDOSTA SOUTHERN RR.] | | | PWRC |
| 7 | VSO | Valdosta Southern Railroad | | | RSRV |
| 8 | VSO | Valdosta Southern Railroad | | USA | TRAFFIC |
| 9 | VSOE | Belmond Management Limited | | GB | TRAFFIC |
| 10 | VSOE | Venice Simplon Orient-Express | | UK | VKM |
| 11 | VSOL | VISIONARY SOLUTIONS LLC | | | SCAC4 |
| 12 | VSON | VISION INTERMODAL INC | | | SCAC4 |
| 13 | VSOR | Vicksburg Southern R.R. Inc. | added 4/2008 | | NAKINA |
| 14 | VSOR | VICKSBURG SOUTHERN RAILROAD, INC. | | | PWRC |
| 15 | VSOR | Vicksburg Southern Railroad (Watco) | | | RSRV |
| 16 | VSOR | VICKSBURG SOUTHERN RAILROAD INC | | | SCAC4 |
