| 1 | NVR | Nova Airlines AB | IATA: 1I, Callsign: Navigator, IATA designator changed to N9* | S | AVCODES |
| 2 | NVR | Nova Airlines AB | IATA: N9, Callsign: Navigator, IATA Prefix: 326, IATA designator changed to 1I | S | AVCODES |
| 3 | NVR | Novair | IATA: 1I | | ICAO1 |
| 4 | NVR | Montreal, Maine and Atlantic Ry. Ltd. | added 7/2004; 7/2005 | | NAKINA |
| 5 | NVR | Bangor and Aroostook Rd. Co. | added 4/2001 | | NAKINA |
| 6 | NVR | Northern Vermont R.R. | added 4/1997; 7/2000; eliminated 4/2001; eliminated 4/2002 | | NAKINA |
| 7 | NVR | Northern Vermont R.R. | added 4/97; 7/2000; eliminated 4/2001 | | NRHS |
| 8 | NVR | Bangor and Aroostook Rd. Co. | added 4/2001 | | NRHS |
| 9 | NVR | MONTREAL, MAINE & ATLANTIC RWY. LTD. [BANGOR & AROOSTOOK RD. CO.; NORTHERN VERMONT RAILROAD] | | | PWRC |
| 10 | NVR | Northern Vermont Railroad | | | RSRV |
| 11 | NVR | Northern Vermont Railroad | | CDN | TRAFFIC |
| 12 | NVRA | NAVIERA VIZCAINA SA | | | SCAC3 |
| 13 | NVRA | NAVARRO FRANCO, RAUL | | | SCAC4 |
| 14 | NVRC | NAVIERA CERRALVO S A DE C V | | | SCAC3 |
| 15 | NVRC | NUTRI-VERT 2003 INC | | | SCAC4 |
| 16 | NVRM | NAVROM | | | SCAC3 |
| 17 | NVRN | NAVARONE TRANSPORTATION INC | | | SCAC3 |
| 18 | NVRO | Nahverkehr Rostock | Real: NVR | DDR | TRAFFIC |
| 19 | NVRR | Napa Valley R.R. Co. | added 1/1988; 1/1994-7/2005 | | NAKINA |
| 20 | NVRR | Napa Valley R.R. Co. | added 1/88; 1/94-7/2000 | | NRHS |
| 21 | NVRR | NAPA VALLEY RAILROAD COMPANY | | | PWRC |
| 22 | NVRR | Napa Valley Railroad | | | RSRV |
| 23 | NVRR | NAPA VALLEY RAILROAD CO | | | SCAC3 |
| 24 | NVRR | NAPA VALLEY RAILROAD CO | | | SCAC4 |
| 25 | NVRR | Napa Valley Railroad | | USA | TRAFFIC |
| 26 | NVRU | ENVIROLEASE | | | SCAC3 |
