| 1 | TA | TACA International Airlines, S.A. | ICAO: TAI, Callsign: Taca, IATA Prefix: 202, Name changed to Avianca El Salvador on 21 May 2013. | ES | AVCODES |
| 2 | TA | Avianca El Salvador | ICAO: TAI, Callsign: Taca, IATA Prefix: 202, Name changed from TACA International Airlines, S.A. | ES | AVCODES |
| 3 | TA | Transafrican Air Limited | ICAO: TAK, Callsign: Transafrican, IATA Prefix: 400, | EAK | AVCODES |
| 4 | TA | Avianca Central America | ICAO: TAI, Callsign: Taca, IATA Prefix: 202, Name changed from Avianca El Salvador and previously TACA International Airlines, S.A. | ES | AVCODES |
| 5 | TA&G | Tennessee, Alabama & Georgia Ry. (Co.) | 7/1923-4/1970 | | NAKINA |
| 6 | TA&G | Tennessee, Alabama & Georgia Ry. Co. | 4/38-4/70 | | NRHS |
| 7 | TA&G | TENNESSEE, ALABAMA & GEORGIA RWY. CO. | | | PWRC |
| 8 | TA&W | Toledo, Angola & Western Ry. Co. | 4/1938-4/1970 | | NAKINA |
| 9 | TA&W | Toledo, Angola & Western Ry. Co. | 4/38-4/70 | | NRHS |
| 10 | TA&W | TOLEDO, ANGOLA & WESTERN RWY. CO. | | | PWRC |
| 11 | TAA | Aerotamatan, S.A. de C.V. | Callsign: Tamatan, | MEX | AVCODES |
| 12 | TAA | Aeroservicios de la Costa, S.A. de C.V. | Callsign: Aero Costa, | MEX | AVCODES |
| 13 | TAA | Aeroservicios de La Costa | | | ICAO1 |
| 14 | TAA | Trans Australia Arlines | Name is changed to Quantas in 1967 | AUS | TRAFFIC |
| 15 | TAAA | TRIPLE A DISTRIBUTION INC | | | SCAC3 |
| 16 | TAAA | TRANSPORTES ALTA SA DE CV | | | SCAC4 |
| 17 | TAAA | Aeroservicios de la Costa | Real: TAA | MEX | TRAFFIC |
| 18 | TAAB | TRANSPORTATION ASSOCIATES | | | SCAC3 |
| 19 | TAAB | TRANSATLANTIC SHIPPING AB | | | SCAC4 |
| 20 | TAAC | TITAN ARMORED CAR & COURIER INC | | | SCAC3 |
| 21 | TAAC | TRANSPORTES A T C M | | | SCAC4 |
| 22 | TAAD | TALBOT, A J & D M TRUCKING | | | SCAC3 |
| 23 | TAAD | TALBOT, A J & D M TRUCKING | | | SCAC4 |
| 24 | TAAE | TAALMAN ENGINEERED PRODUCTS | | | SCAC4 |
| 25 | TAAF | T-A-T MAR CORP | | | SCAC3 |
| 26 | TAAF | TRANSPORTES ANTONIO AMEZCUA FLORES | | | SCAC4 |
| 27 | TAAH | THOMPSON, AL TRUCKING INC | | | SCAC4 |
| 28 | TAAI | TIAN LAI TRANSPORTATION LTD | | | SCAC4 |
| 29 | TAAK | TRANSPORT AMERICA INC | | | SCAC3 |
| 30 | TAAL | TRANSALL INC | | | SCAC3 |
| 31 | TAAL | TRANSPORT ALAIN NADEAU INC | | | SCAC4 |
| 32 | TAAM | TARA MOTOR FREIGHT | | | SCAC3 |
| 33 | TAAN | TARA TRANSPORTATION | | | SCAC3 |
| 34 | TAAN | TARUS PRODUCTS INCORPORATED | | | SCAC4 |
| 35 | TAAO | TRACOMSA SA CV | | | SCAC4 |
| 36 | TAAQ | T A A ALTERNATIVE INC | | | SCAC3 |
| 37 | TAAT | T & A TRANSPORT | | | SCAC4 |
| 38 | TAAU | TIMESCAN LOGISTICS (INDIA) LIMITED | | IND | BIC |
| 39 | TAAV | TRANSPORTES AVELAIS ALARCON, SA DE | | | SCAC4 |
| 40 | TAB | TABA, Transportes Aereos Da Bacia Amazonica, S.A. | Callsign: Taba, Founded in 1976. Ceased operations during 1999. | BR | AVCODES |
| 41 | TAB | Tågfrakt AB | 1996 - | S | svenska-lok.se |
| 42 | TAB | Tågfrakt AB | 1996 - | S | TRAFFIC |
| 43 | TAB | Tågfrakt AB | | SE | VKM |
| 44 | TABA | TRANSPORTES BAJA | | | SCAC4 |
| 45 | TABB | TRANSPORT A B | | | SCAC4 |
| 46 | TABC | TAB DELIVERY SERVICE | | | SCAC3 |
| 47 | TABC | TRANSPORT ALAIN BORDELEAU INC | | | SCAC4 |
| 48 | TABD | TABOR, DAROLD R INC | | | SCAC3 |
| 49 | TABD | TRIPLE A BUILDING CENTER | | | SCAC4 |
| 50 | TABE | TRANSPORT EASTERN INC | | | SCAC4 |
| 51 | TABF | TRANSPORTES AS | | | SCAC4 |
| 52 | TABG | TORRES ALEJO, LUIS FELIPE | | | SCAC4 |
| 53 | TABH | TABENKEN CORPORATION, THE | | | SCAC3 |
| 54 | TABI | TABS INC | | | SCAC3 |
| 55 | TABI | TABS INC | | | SCAC4 |
| 56 | TABK | TRANS-ATLANTIC BULK SHIPPING LTD | | | SCAC3 |
| 57 | TABL | T A B LEASING INC | | | SCAC3 |
| 58 | TABM | TRANS-ATLANTIC AGENCIES INC, BALTIM | | | SCAC3 |
| 59 | TABM | TRANS-ATLANTIC AGENCIES INC, BALTIM | | | SCAC4 |
| 60 | TABO | TABOR, BEN TRUCKING | | | SCAC4 |
| 61 | TABP | TAB TRANSPORTATION INC | | | SCAC3 |
| 62 | TABQ | TRANSPORT A B SERA INC | | | SCAC3 |
| 63 | TABQ | TRANSPORT ALAIN BOLDUC ENR | | | SCAC4 |
| 64 | TABR | TAB TRANSPORTATION, INC | | | SCAC3 |
| 65 | TABR | TAB TRANSPORTATION INC | | | SCAC4 |
| 66 | TABS | TABLOID SHIPPERS INC | | | SCAC3 |
| 67 | TABU | STOLT TANK CONTAINERS LEASING LTD | | BM | BIC |
| 68 | TABU | TABY SCHIFFAHRTS- UND SPEDITIONS GM | | | SCAC4 |
| 69 | TABV | TRI ALEXANDER TRANSPORTATION, INC. | | | SCAC4 |
| 70 | TABX | Theobald Animal By-Products Refinery | 7/1930-7/1932; 7/1937 (not listed) | | NAKINA |
| 71 | TABX | THEOBALD ANIMAL BY-PRODUCTS REFINERY | | | PWRC |
| 72 | TABY | WALTER TABY SPEDITION | | | PWRC |
| 73 | TAC | Turbot Air Cargo | Callsign: Turbot, | SN | AVCODES |
| 74 | TAC | Thai Airways Co. Ltd. | IATA: TH, Callsign: Thai Air, Merged into Thai International | T | AVCODES |
| 75 | TAC | Thia Aviation Academy | Callsign: Tauras, | T | AVCODES |
| 76 | TAC | Turbot Air Cargo | | | ICAO1 |
| 77 | TACC | TAYLOR, CHAS C | | | SCAC3 |
| 78 | TACD | TRAMMELL CROW DISTRIBUTION CORP OF | | | SCAC3 |
| 79 | TACD | TRANSPORTES KRONOS | | | SCAC4 |
| 80 | TACE | TRANSPORTES ACOSTA GULUARTE | | | SCAC4 |
| 81 | TACF | T A C INC | | | SCAC3 |
| 82 | TACF | TRANSPORT ARMAND CARRIER & FILS INC | | | SCAC4 |
| 83 | TACG | TAC LOGISTICS INC | | | SCAC4 |
| 84 | TACH | TACOMA HAULING CO INC | | | SCAC3 |
| 85 | TACH | TACOMA HAULING CO INC | | | SCAC4 |
| 86 | TACHI | Tachikawa Bus | belongs to the Odakyu Group | J | TRAFFIC |
| 87 | TACJ | TRANSPORT AMERICAN COMMODITIES | | | SCAC3 |
| 88 | TACJ | TRANSPORT C J M P INC | | | SCAC4 |
| 89 | TACK | TACKNEYS EXPRESS | | | SCAC3 |
| 90 | TACL | TRANSCORD LEASING INC | | | SCAC3 |
| 91 | TACL | TRANS ATLANTIC CONTAINER LINES | | | SCAC4 |
| 92 | TACM | TRANSPORT AMERICA CORPORATION | | | SCAC3 |
| 93 | TACM | TRANSPORT AJ CUMING INC | | | SCAC4 |
| 94 | TACN | TRANSCORPS ENTERPRISES INC | | | SCAC3 |
| 95 | TACN | TRANSCORPS XPRESS COMPANY | | | SCAC4 |
| 96 | TACO | TACOMA TOWING INC | | | SCAC3 |
| 97 | TACO | TRANSAMERICAN CARGO LINE | | | SCAC4 |
| 98 | TACP | TRACY TRUCKING CO | | | SCAC3 |
| 99 | TACP | TRANSPORTES SANTA CATALINA | | | SCAC4 |
| 100 | TACQ | TERRA COTTA TRUCK SERVICE INC | | | SCAC3 |
