| 1 | TAS | Lotus Airline | Callsign: Lotus Flower, | ET | AVCODES |
| 2 | TAS | Trans Alsace | Airline Founded in May 1993. Ceased Operations on 03 July 1994. | F | AVCODES |
| 3 | TAS | Lotus Air | | | ICAO1 |
| 4 | TAS | Tampa Southern R.R. Co. | 1/1975-1/1980 | | NAKINA |
| 5 | TAS | Tampa Southern R.R. Co. | 1/75-1/80 | | NRHS |
| 6 | TAS | TAMPA SOUTHERN RAILROAD CO. | | | PWRC |
| 7 | TASA | TAS TRUCKING LTD | | | SCAC4 |
| 8 | TASB | TRANSPORT BRAZEAU INC | | | SCAC3 |
| 9 | TASC | TASCA, CLARENCE | | | SCAC3 |
| 10 | TASC | TRANSPORT S C R LTEE | | | SCAC4 |
| 11 | TASD | Terminal Ry. Alabama State Docks | 1/1975; added 7/1977; 1/1980-7/2005 | | NAKINA |
| 12 | TASD | Terminal Ry. Alabama State Docks | 1/75; added 7/77; 1/80-7/2000 | | NRHS |
| 13 | TASD | TERMINAL RAILWAY, ALABAMA STATE DOCKS | | | PWRC |
| 14 | TASD | Terminal Railway Alabama State Docks | | | RSRV |
| 15 | TASD | TERMINAL RAILWAY, ALABAMA STATE DOC | | | SCAC3 |
| 16 | TASD | TERMINAL RAILWAY, ALABAMA STATE DOC | | | SCAC4 |
| 17 | TASD | Terminal Ry. Alabama State Docks | | USA | TRAFFIC |
| 18 | TASE | T A S K CARRIERS INC | | | SCAC4 |
| 19 | TASGR | Tasmanian Government Railways | | AUS | TRAFFIC |
| 20 | TASH | TEXAS AMERICAN SHIPPING CORP | | | SCAC4 |
| 21 | TASI | T & S TRANSPORTATION OF RICHMOND IN | | | SCAC3 |
| 22 | TASI | TRANSAIR SHIPPING | | | SCAC4 |
| 23 | TASK | | City: Tashkent | UZ | TRAFFIC |
| 24 | TASL | TRANS-AIDE SERVICES LLC | | | SCAC4 |
| 25 | TASM | T A S CONTAINER TRANSPORT INC | | | SCAC3 |
| 26 | TASO | TAYLOR EXPRESS | | | SCAC3 |
| 27 | TASP | TRANSCAR AUTO SHIPPERS INC | | | SCAC4 |
| 28 | TASQ | T A S CONTAINER TRANSPORT INC (WATE | | | SCAC3 |
| 29 | TASR | TRANSTAR CORP | | | SCAC3 |
| 30 | TASR | TasRail: Tasmanian Railway Proprietary Limited | | AUS | TRAFFIC |
| 31 | TASROK | Firma Przewozowa "TAS" sp.j. Tadeusz Sroka, Adam Sroka | City: Piekary Slaskie | PL | TRAFFIC |
| 32 | TASS | THOMAS AND SONS TRUCKING | | | SCAC3 |
| 33 | TASS | T & S TRANSPORTATION SYSTEMS INC | | | SCAC4 |
| 34 | TAST | T.A.S. TRUCKING, INC | | | SCAC3 |
| 35 | TAST | TIMMONS AND SON TRUCKING | | | SCAC4 |
| 36 | TASU | TANKSPAN LEASING LIMITED | | GB | BIC |
| 37 | TASU | TASTET | | | SCAC3 |
| 38 | TASU | TANKSPAN LEASING LTD | | | SCAC4 |
| 39 | TASV | TRANS AMERICAN SERVICES INC | | | SCAC3 |
| 40 | TASW | T A S TRANSPORT INC | | | SCAC3 |
| 41 | TASW | TA SERVICES INC | | | SCAC4 |
| 42 | TASX | Tasco, Inc. | added 4/1962; 7/1965; eliminated 10/1965 | | NAKINA |
| 43 | TASX | Transammonia, Inc. | added 4/1992; eliminated 7/1994 | | NAKINA |
| 44 | TASX | Transrail, Inc. | 1/1994; added 7/1994; 7/2000-7/2005 | | NAKINA |
| 45 | TASX | Tasco, Inc. | added 4/62; 7/65; eliminated 10/65 | | NRHS |
| 46 | TASX | Transammonia, Inc. | added 4/92; eliminated 7/94 | | NRHS |
| 47 | TASX | Transrail, Inc. | 1/94; added 7/94; 7/2000 | | NRHS |
| 48 | TASX | *TASCO, INC. | | | PWRC |
| 49 | TASX | +TRANSRAIL, INC. [TRANSAMMONIA, INC.] | | | PWRC |
| 50 | TASX | TransRail | | | RSRV |
| 51 | TASY | TRANSPORTES AMA SA DE CV | | | SCAC4 |
