| 1 | TEN | Tennessee Airways | Callsign: Tennessee, | USA | AVCODES |
| 2 | TEN | Tennessee Airways | | | ICAO1 |
| 3 | TENA | TENNANT TRUCK LINES, INC. | | | SCAC3 |
| 4 | TENA | TENNANT TRUCK LINES INC | | | SCAC4 |
| 5 | TEND | TENNY, DENNIS TRUCKING CO | | | SCAC3 |
| 6 | TEND | TRACY, ERIN DESIGNS | | | SCAC4 |
| 7 | TENE | TRANSPORTES EFICIENTES NACIONALES S | | | SCAC4 |
| 8 | TENF | TEN FOUR TRUCKING LTD | | | SCAC4 |
| 9 | TENG | TRANSPORTATION ENGINEERING CORPORAT | | | SCAC3 |
| 10 | TENG | Transengrais | | F | TRAFFIC |
| 11 | TENH | TENNESSEE STEEL HAULERS | | | SCAC3 |
| 12 | TENH | TENNESSEE STEEL HAULERS | | | SCAC4 |
| 13 | TENI | THOMS ENTERPRISES INC | | | SCAC3 |
| 14 | TENJ | TRANSPORTES CORBE | | | SCAC4 |
| 15 | TENK | TENNESSEE TRANSPORT | | | SCAC3 |
| 16 | TENK | THOMPSON ENTERPRISES INC | | | SCAC4 |
| 17 | TENL | TEN LAKES INC (10 LAKES INC) | | | SCAC3 |
| 18 | TENN | Tennessee R.R. Co. | eliminated 1/1974 | | NAKINA |
| 19 | TENN | Tennessee Ry. Co. | added 1/1974; 1/1975-7/2005 | | NAKINA |
| 20 | TENN | Tennessee Ry. Co. | 1/75-7/2000 | | NRHS |
| 21 | TENN | NORFOLK SOUTHERN RAILWAY CO. [(SOU) TENNESSEE RY.] | | | PWRC |
| 22 | TENN | Tennessee Railway | | | RSRV |
| 23 | TENN | TENNESSEE RAILWAY COMPANY (RAILROAD | | | SCAC3 |
| 24 | TENO | TEXAS FREIGHT COMPANY INC | | | SCAC3 |
| 25 | TENO | TRANSPORTE EL NOPAL | | | SCAC4 |
| 26 | TENP | TROYER ENTERPRISES | | | SCAC4 |
| 27 | TENQ | TENNESSEE COMMERCIAL WAREHOUSE | | | SCAC3 |
| 28 | TENQ | TRANSPORTES ENRIQUEZ SA DE CV | | | SCAC4 |
| 29 | TENR | TENNANT, R A TRUCKING INC | | | SCAC3 |
| 30 | TENR | TRANSPORT ANDRE LAROSE ENR | | | SCAC4 |
| 31 | TENS | THOMPSON ENTERPRISES INC | | | SCAC3 |
| 32 | TENS | TENNSCO CORPORATION | | | SCAC4 |
| 33 | TENT | Termo Elektrana Nikola Tesla | | SCG | TRAFFIC |
| 34 | TENT | Privredno drustvo \"Termoelektrane Nikola Tesla\" d.o.o. | | RS | VKM |
| 35 | TENU | TEXTAINER EQUIPMENT MANAGEMENT LIMITED | | USA | BIC |
| 36 | TENU | TENERSHIRE LTD | | | SCAC3 |
| 37 | TENV | TEN DEGREES | | | SCAC4 |
| 38 | TENX | Tennessee Copper Co. | 8/1920 | | NAKINA |
| 39 | TENX | Tennessee Corp. | 1/1950-1/1952; eliminated 7/1953 | | NAKINA |
| 40 | TENX | Tennessee Corp. | Jan-52 | | NRHS |
| 41 | TENX | TENNESSEE CORP. [TENNESSEE COPPER CO.] | | | PWRC |