| 9301 | TSS | Tropical Sea Airlines | Callsign: Tropical Sea, | T | AVCODES |
| 9302 | TSS | Tri-State Aero, Inc. | Callsign: Tri-State, | USA | AVCODES |
| 9303 | TSS | Tri-State Aero | | | ICAO1 |
| 9304 | TSS | Traťová strojní společnost, a.s. | | CZ | VKM |
| 9305 | TSSA | Tramwaje Slaskie S.A. | City: Chorzow | PL | TRAFFIC |
| 9306 | TSSB | TRANSPORTATION SYSTEMS INC | | | SCAC4 |
| 9307 | TSSC | TRANSPORT SALES & SERVICE | | | SCAC4 |
| 9308 | TSSC | TSS Cargo | | CZ | VKM |
| 9309 | TSSD | TRANSPORTES SAUCEDA | | | SCAC4 |
| 9310 | TSSE | TWO SIPSTERS STUDIO | | | SCAC4 |
| 9311 | TSSF | TWO SEVEN FOUR SIX-FIVE FIVE | | | SCAC4 |
| 9312 | TSSJ | TRANSPORTES SJ | | | SCAC4 |
| 9313 | TSSL | TSS TRANSPORT LLC | | | SCAC4 |
| 9314 | TSSO | TRANSPORTES SERGIO GONZALEZ O | | | SCAC4 |
| 9315 | TSSR | TEISSIER TRUCKING | | | SCAC4 |
| 9316 | TSSRL | Technical Services S.r.l. | | I | TRAFFIC |
| 9317 | TSSS | THREE ZERO NINE FIVE-SIX SIX SEVEN | | | SCAC4 |
| 9318 | TSST | TROIS SEVEN (7) TRANSPORT INC | | | SCAC4 |
| 9319 | TSSTT | TSS GRADE, a.s. | | SK | VKM |
| 9320 | TSSU | T.S. LINES LTD | | RC | BIC |
| 9321 | TSSU | TRANSAFE SERVICES LIMITED | | | SCAC4 |
| 9322 | TSSV | TODD SPECIAL SERVICES INC | | | SCAC4 |
| 9323 | TSSX | U.S. Dept. of Energy, Albuquerque Operations Office | added 10/1984; 1/1994; eliminated 10/1997; 7/2000-7/2005 (not listed) | | NAKINA |
| 9324 | TSSX | U.S. Dept. of Energy, Albuquerque Operations Office | added 10/84; 1/94; eliminated 10/97; 7/2000 | | NRHS |
| 9325 | TSSX | U.S.DEPT. OF ENERGY, ALBUQUERQUE OPERATIONS OFFICE | | | PWRC |
| 9326 | TSSX | US Department of Energy Albuquerque Operations Office | | | RSRV |
| 9327 | TSSX | U S DEPT OF | | | SCAC4 |
| 9328 | TSSZ | TAL International (BNSF Railway) | | | RSRV |
| 9329 | TSSZ | TRANSAMERICA LEASING INC | | | SCAC4 |
| 9330 | TST | Trast | Callsign: Trast, | KZ | AVCODES |
| 9331 | TST | Transtar Airliner | Callsign: Transtar, | USA | AVCODES |
| 9332 | TST | Shata Air Services Limited | Callsign: Shata Air, | WAN | AVCODES |
| 9333 | TST | TRAST | | | ICAO1 |
| 9334 | TSTB | TST LOAD BROKERAGE SERVICES (DIVISI | | | SCAC4 |
| 9335 | TSTC | T S TRANSPORT | | | SCAC4 |
| 9336 | TSTD | TRI-STAR TRANSPORT LTD | | | SCAC4 |
| 9337 | TSTF | TRANSPORTES SANTA FE | | | SCAC4 |
| 9338 | TSTG | TRIPLE S TRUCKING | | | SCAC4 |
| 9339 | TSTH | TRANSPORT S R P | | | SCAC4 |
| 9340 | TSTI | TRIPLE S TRANSPORT INC | | | SCAC4 |
| 9341 | TSTL | TRANSTAR LOGISTICS INC | | | SCAC4 |
| 9342 | TSTM | TST SOLUTIONS L P | | | SCAC4 |
| 9343 | TSTR | THREE'S TRANSPORT INC | | | SCAC4 |
| 9344 | TSTU | T.S. LINES LTD | | RC | BIC |
| 9345 | TSTV | TRANS SEA TRANSPORT NV | | | SCAC4 |
| 9346 | TSTW | T'S TOWING INC | | | SCAC4 |
| 9347 | TSTX | The Superior Tank Line | 7/1930 | | NAKINA |
| 9348 | TSTX | SUPERIOR TANK LINE | | | PWRC |
| 9349 | TSTY | TRI-STAR TRAFFIC SYSTEM | | | SCAC4 |
| 9350 | TSU | Contract Air Cargo, Inc. | Callsign: Trans-Auto, Name changed to Gulf and Caribbean Cargo, Inc. | USA | AVCODES |
| 9351 | TSU | Gulf and Caribbean Cargo, Inc. d/b/a IFL Group | IATA: IF, Callsign: Trans-Auto, IATA Prefix: 611, Name changed from Contract Air Cargo, Inc. | USA | AVCODES |
| 9352 | TSU | Contract Air Cargo | | | ICAO1 |
| 9353 | TSU | Tulsa-Sapulpa Union Ry. Co. | 1/1975-1/1994; eliminated 7/1996 | | NAKINA |
| 9354 | TSU | Tulsa-Sapulpa Union Ry. Co., L.L.C. | added 7/1996; 7/2000-7/2005 | | NAKINA |
| 9355 | TSU | Tulsa-Sapulpa Union Ry. Co. | 1/75-1/94; eliminated 7/96 | | NRHS |
| 9356 | TSU | Tulsa-Sapulpa Union Ry. Co., L.L.C. | added 7/96; 7/2000 | | NRHS |
| 9357 | TSU | TULSA-SAPULPA UNION RAILWAY CO., LLC | | | PWRC |
| 9358 | TSU | Tulsa-Sapulpa Union Railway | | | RSRV |
| 9359 | TSU | TULSA-SAPULPA UNION RAILWAY COMPANY | | | SCAC4 |
| 9360 | TSU | Tulsa-Sapulpa Union | | USA | TRAFFIC |
| 9361 | TSUB | TOTAL SOLUTION LOGISTICS | | | SCAC4 |
| 9362 | TSUF | TRANSPORT SERVICES UNLIMITED OF SHE | | | SCAC4 |
| 9363 | TSUG | Tsugaru Railway | | J | TRAFFIC |
| 9364 | TSUH | TRIMAC TRANSPORTATION SOUTH INC | | | SCAC4 |
| 9365 | TSUI | TRANSPORTES SAN LUIS | | | SCAC4 |
| 9366 | TSUJ | TRANSPORT SOLUTIONS | | | SCAC4 |
| 9367 | TSUK | TARA TRANSPORT | | | SCAC4 |
| 9368 | TSUM | TATSUMI INTERMODAL (U S A) INC | | | SCAC4 |
| 9369 | TSUO | TRANSPORT RSN | | | SCAC4 |
| 9370 | TSUS | TRANSUS INTERMODAL L L C | | | SCAC4 |
| 9371 | TSUT | TECHNICAL SOLUTIONS | | | SCAC4 |
| 9372 | TSUV | TORTILLERIA SUPERIOR | | | SCAC4 |
| 9373 | TSUX | Tri-State Utility Inc. | 1/1994 (not listed) | | NAKINA |
| 9374 | TSUX | Tri-State Utility Inc. | Jan-94 | | NRHS |
| 9375 | TSUX | TRI-STATE UTILITY INC. | | | PWRC |
| 9376 | TSUY | TRANSUNION AMERICA INC | | | SCAC4 |
| 9377 | TSV | Tropair Ltd. | Callsign: Tropic, | GB | AVCODES |
| 9378 | TSV | Tropair Airservices | | | ICAO1 |
| 9379 | TSVA | TRANSPORTES VAYAZ | | | SCAC4 |
| 9380 | TSVC | TRANS SERVICE LINE | | | SCAC4 |
| 9381 | TSVG | \"TSV\"Gorna Orjahovitza | | BG | VKM |
| 9382 | TSVH | THIRTY SEVEN FREIGHT INC | | | SCAC4 |
| 9383 | TSVI | TRANSPORT ST-VIATEUR INC | | | SCAC4 |
| 9384 | TSVJ | TRANSPORTATION SERVICES INTERNATION | | | SCAC4 |
| 9385 | TSVK | TIME-SENSITIVE TRANSPORTATION LTD | | | SCAC4 |
| 9386 | TSVL | TRANSERVICE LOGISTICS INC | | | SCAC4 |
| 9387 | TSVN | TRANSPORT SYLVAIN LOIGNON INC | | | SCAC4 |
| 9388 | TSVO | TRANSERVICIOS S A DE C V | | | SCAC4 |
| 9389 | TSVP | TRANSPORT SERVICES | | | SCAC4 |
| 9390 | TSVP | \"TSV\" Plovdiv | | BG | VKM |
| 9391 | TSVQ | TWO SEVEN FOUR EIGHT - ONE TOW NINE | | | SCAC4 |
| 9392 | TSVR | TRANSPORTATION SERVICES INTERNATION | | | SCAC4 |
| 9393 | TSVS | \"TSV\" Sofia | | BG | VKM |
| 9394 | TSVU | SHIPPING COMPANY TRANSIT SV LLC | | RUS | BIC |
| 9395 | TSVU | SHIPPING COMPANY TRANSIT SV LLC | | | SCAC4 |
| 9396 | TSVV | \"TSV\" Varna | | BG | VKM |
| 9397 | TSVX | Transerv Systems, Inc. | added 10/1969; 4/1970; eliminated 7/1972 | | NAKINA |
| 9398 | TSVX | Tennsv, Inc. | 1/1994-7/2005 (not listed) | | NAKINA |
| 9399 | TSVX | Transerv Systems, Inc. | added 10/69; 4/70 | | NRHS |
| 9400 | TSVX | Tennsv, Inc. | 1/94-7/2000 | | NRHS |
