| 301 | TAGH | THUNDER AND LIGHTNING INC | | | SCAC4 |
| 302 | TAGI | TAGIT MOVING & STORAGE | | | SCAC3 |
| 303 | TAGJ | TREJO, AGUILINO | | | SCAC4 |
| 304 | TAGK | TAG-A-LONG TRUCKING | | | SCAC3 |
| 305 | TAGK | TRANSPORT ANDRE GIROUX INC | | | SCAC4 |
| 306 | TAGL | TRANSPORTES AGUILA DE CD JUAREZ S A | | | SCAC4 |
| 307 | TAGM | TAG TEAM TRANSPORT LTD | | | SCAC3 |
| 308 | TAGO | TRANSPORT ANDRE GIROUX INC | | | SCAC3 |
| 309 | TAGP | TAGER SHIPPING CO. INC | | | SCAC3 |
| 310 | TAGQ | TAG TRANSPORT INC | | | SCAC4 |
| 311 | TAGR | TAGUS RANCH TRUCKING INC | | | SCAC3 |
| 312 | TAGR | TRANSPORTES AGUILA REAL | | | SCAC4 |
| 313 | TAGS | TAYLOR GRAIN SALES, INC | | | SCAC3 |
| 314 | TAGS | TAG Sinnich | Real: TAG | I | TRAFFIC |
| 315 | TAGV | TAGSHIP, INC. | | | SCAC3 |
| 316 | TAGW | T A G TRUCKING | | | SCAC3 |
| 317 | TAGX | Texoma AG Products Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 318 | TAGX | Texoma AG Products Inc. | Jul-00 | | NRHS |
| 319 | TAGX | *TEXOMA AG PRODUCTS, INC. | | | PWRC |
| 320 | TAGX | +HELENA CHEMICAL CO. | | | PWRC |
| 321 | TAGX | Texoma AG Products | | | RSRV |
| 322 | TAGX | HELENA CHEMICAL COMPANY | | | SCAC4 |
| 323 | TAGY | TRANS-AMERICAN STEAMSHIP AGENCY INC | | | SCAC3 |
| 324 | TAH | Air Moorea | IATA: QE, Callsign: Air Moorea, Designator QE recalled by IATA | PF | AVCODES |
| 325 | TAH | Air Tahiti | IATA: QE, | PF | AVCODES |
| 326 | TAH | Air Moorea | | | ICAO1 |
| 327 | TAHA | TARAHUMARA | | | SCAC4 |
| 328 | TAHE | TAHOE EXPRESS | | | SCAC3 |
| 329 | TAHF | T A H FIRST INC | | | SCAC3 |
| 330 | TAHF | TRANS-HAM EXPRESS INC | | | SCAC4 |
| 331 | TAHH | THOR XPRESS TRANSPORT LLC | | | SCAC4 |
| 332 | TAHI | TA CHEN INTERNATIONAL INC | | | SCAC4 |
| 333 | TAHK | TAS TRUCKING INC | | | SCAC4 |
| 334 | TAHL | TAYLOR, HENRY L | | | SCAC3 |
| 335 | TAHL | TAYLOR, HENRY L TRUCKING L L C | | | SCAC4 |
| 336 | TAHM | TEACHERS MOVING INC | | | SCAC3 |
| 337 | TAHO | TAHOE AREA REGIONAL TRANSIT (DIV OF | | | SCAC3 |
| 338 | TAHR | TAYLOR, ALBERT HUNTER | | | SCAC3 |
| 339 | TAHR | TRANSPORT MANIC | | | SCAC4 |
| 340 | TAHT | TAH TRUCKING INC | | | SCAC4 |
| 341 | TAHU | TA ASIA LOGISTICS PTE LTD | | SGP | BIC |
| 342 | TAHV | TRANSPORTES ALONSO SA DE CV | | | SCAC4 |
| 343 | TAHW | TAHWHEELALEN EXPRESS INC | | | SCAC3 |
| 344 | TAHW | TRANSSHIP LTD | | | SCAC4 |
| 345 | TAHY | TALU TRANSPORT COMPANY | | | SCAC4 |
| 346 | TAI | TACA International Airlines, S.A. | IATA: TA, Callsign: Taca, IATA Prefix: 202, Name changed to Avianca El Salvador on 21 May 2013. | ES | AVCODES |
| 347 | TAI | Avianca El Salvador | IATA: TA, Callsign: Taca, IATA Prefix: 202, Name changed from TACA International Airlines, S.A. | ES | AVCODES |
| 348 | TAI | Avianca Central America | IATA: TA, Callsign: Taca, IATA Prefix: 202, Name changed from Avianca El Salvador and previously TACA International Airlines, S.A. | ES | AVCODES |
| 349 | TAIA | TRANSPORT ASSISTANCE INC | | | SCAC3 |
| 350 | TAIB | TACOMA INDUSTRIES INC | | | SCAC3 |
| 351 | TAIB | TRANSPORT ONE | | | SCAC4 |
| 352 | TAICHUNGB | Taichung Bus | | RC | TRAFFIC |
| 353 | TAID | T A T INC | | | SCAC3 |
| 354 | TAIE | TRUCK AIR TRANSFER | | | SCAC3 |
| 355 | TAIF | TEAM AIR EXPRESS INC (AIR FREIGHT D | | | SCAC4 |
| 356 | TAIFUNG | Tai Fung Coach | | HK | TRAFFIC |
| 357 | TAIG | T & A TRUCKING | | | SCAC4 |
| 358 | TAIH | TRANSIT-ALL INC | | | SCAC3 |
| 359 | TAIHEIYO | Taiheiyo Coal | | J | TRAFFIC |
| 360 | TAII | T-A INTERSTATE TRUCKING INC | | | SCAC3 |
| 361 | TAIJ | T A T INC | | | SCAC3 |
| 362 | TAIJ | TAYLOR, PHILLIP J | | | SCAC4 |
| 363 | TAIKO | Taiko Bus | Subsidiary of the Odakyu Group | J | TRAFFIC |
| 364 | TAIN | TRANSIRE INC | | | SCAC3 |
| 365 | TAIN | TRANS-ATLANTIS INC | | | SCAC4 |
| 366 | TAIO | TRANS AIR INC | | | SCAC3 |
| 367 | TAIQ | TAITS CUSTOM TRAILERS | | | SCAC4 |
| 368 | TAIR | TRANS AIR | | | SCAC4 |
| 369 | TAIR | Transair Sweden | Real: TB | S | TRAFFIC |
| 370 | TAIS | TRANSPORTATION SERVICES | | | SCAC3 |
| 371 | TAIT | TAIT BROTHERS CONTRACTING LTD | | | SCAC4 |
| 372 | TAIU | STOLT TANK CONTAINERS LEASING LTD | | BM | BIC |
| 373 | TAIU | TABY AMERICA INC | | | SCAC4 |
| 374 | TAIV | TAIGA VENTURES | | | SCAC3 |
| 375 | TAIX | Texas Alkyls, Inc. | added 4/1990; eliminated 4/1991; 1/1994-7/2005 (not listed) | | NAKINA |
| 376 | TAIX | Texas Alkyls, Inc. | added 4/90; eliminated 4/91; 1/94-7/2000 | | NRHS |
| 377 | TAIX | TEXAS ALKYLS INC. | | | PWRC |
| 378 | TAIX | Texas Alkyls | | | RSRV |
| 379 | TAIYO | Taiyo Kotsu | | J | TRAFFIC |
| 380 | TAIZ | TOP AG, INC. | | | PWRC |
| 381 | TAJ | Tunisavia | | | ICAO1 |
| 382 | TAJA | TRANSPORT | | | SCAC4 |
| 383 | TAJC | T & J CONTRACTERS INC | | | SCAC3 |
| 384 | TAJC | TRANSPORTES ALEJANDRO | | | SCAC4 |
| 385 | TAJD | TRANSPORTADORA AJA SA DE CV | | | SCAC4 |
| 386 | TAJF | TRANSCOMEX & ASOCIADOS | | | SCAC4 |
| 387 | TAJJ | TAYLOR, J J, INCORPORATED | | | SCAC3 |
| 388 | TAJM | T & J MOTORS INC | | | SCAC3 |
| 389 | TAJM | TRANSPORTES JAM | | | SCAC4 |
| 390 | TAJN | TRANS-ACTION TRANSPORT CP INC | | | SCAC4 |
| 391 | TAJO | TACONY INDUSTRIAL STORAGE COMPANY | | | SCAC3 |
| 392 | TAJO | TAMEZ AGUIRRE, JOSE LUIS | | | SCAC4 |
| 393 | TAJQ | TAA APPAREL INC | | | SCAC4 |
| 394 | TAJR | TRANSPORT A L J R INC | | | SCAC4 |
| 395 | TAJS | TRANSPORT AMJOT SINGH INC | | | SCAC4 |
| 396 | TAJT | TESTA, A J TRUCKING & EXCAVATING | | | SCAC3 |
| 397 | TAJT | TORRES ALEJO, JOSE MARIA | | | SCAC4 |
| 398 | TAJV | TOWSONTOWN AUTOMOTIVE LLC | | | SCAC4 |
| 399 | TAJW | TAJ EXPRESS LLC | | | SCAC4 |
| 400 | TAJY | TAJ TRANSPORTATION INC | | | SCAC4 |
