| 1 | TVR | Tavrey Aircompany | IATA: T6, Callsign: Tavrey, IATA Prefix: 204, | UA | AVCODES |
| 2 | TVR | CA Terra Avia S.r.l. | IATA: T8, Callsign: Terraavia, IATA Prefix: 357, | MD | AVCODES |
| 3 | TVR | Tavrey Airlines | IATA: T6 | | ICAO1 |
| 4 | TVRC | TRANSPORTES Y SERVICIOS RCC | | | SCAC4 |
| 5 | TVRH | THUNDERBIRD VALLEY RANCH | | | SCAC4 |
| 6 | TVRI | TARVIN, RICHARD INC | | | SCAC4 |
| 7 | TVRM | *TENNESSEE VALLEY RAILROAD | | | PWRC |
| 8 | TVRM | *TENNESSEE VALLEY RAILWAY MUSEUM,INC. | | | PWRC |
| 9 | TVRM | Tennessee Valley Railroad Museum | | | RSRV |
| 10 | TVRP | TRANSPORTES VRP | | | SCAC4 |
| 11 | TVRQ | TRANS-VR | | | SCAC4 |
| 12 | TVRR | Tulare Valley R.R. Co. | added 4/1993; eliminated 7/1993; 1/1994 (not listed); 7/2000-7/2005 | | NAKINA |
| 13 | TVRR | Tulare Valley R.R. Co. | added 4/93; eliminated 7/93; 1/94-7/2000 | | NRHS |
| 14 | TVRR | TULARE VALLEY RAILROAD COMPANY | | | PWRC |
| 15 | TVRR | Tulare Valley Railroad | | | RSRV |
| 16 | TVRR | TULARE VALLEY RAILROAD COMPANY | | | SCAC4 |
| 17 | TVRS | TRAVELAND RV SUPERCENTRE | | | SCAC4 |
