| 1 | TSW | TEA Basel AG | IATA: BH, Callsign: Topswiss, Name changed to Easyjet Switzerland / ICAO designator changed to EZS. | CH | AVCODES |
| 2 | TSW | Transwings Ltd. | Callsign: Swisstrans, | CH | AVCODES |
| 3 | TSW | TEA Switzerland AG | IATA: BH, Callsign: Topswiss, Name Changed to TEA Basle. Established on 18 May 1988. Commenced operations on 23 March 1989. | CH | AVCODES |
| 4 | TSW | Transwings | | | ICAO1 |
| 5 | TSWB | TURMEL SERVICE DE PNEUS TWO ZERO ZE | | | SCAC4 |
| 6 | TSWC | TRADESHOW CARRIERS, INC | | | SCAC1 |
| 7 | TSWE | T S EXPRESS | | | SCAC4 |
| 8 | TSWF | TSF | | | SCAC4 |
| 9 | TSWG | TRANSFER SYSTEMS & WAREHOUSING | | | SCAC4 |
| 10 | TSWH | THOMAS, W H OIL CO INC | | | SCAC4 |
| 11 | TSWJ | TRI STATE TIMER LLC | | | SCAC4 |
| 12 | TSWL | THOM SAWYER LOGISTICS SOLUTIONS INC | | | SCAC4 |
| 13 | TSWN | TEXAS STAR WAREHOUSE & DISTRIBUTION | | | SCAC4 |
| 14 | TSWP | TRANS-WORLD SHIPPING, APS | | | SCAC4 |
| 15 | TSWQ | TRI-STATE WAREHOUSE INC | | | SCAC4 |
| 16 | TSWR | Toppenish, Simcoe & Western R.R. | added 10/1993; 1/1994; eliminated 4/1995; 7/2000-7/2005 | | NAKINA |
| 17 | TSWR | Toppenish, Simcoe & Western R.R. | added 10/93; 1/94; eliminated 4/95; 7/2000 | | NRHS |
| 18 | TSWR | TOPPENISH, SIMCOE & WESTERN RAILROAD | | | PWRC |
| 19 | TSWR | Toppenish Simcoe and Western Railroad | | | RSRV |
| 20 | TSWT | TRANSTEWART TRUCKING INC | | | SCAC4 |
| 21 | TSWV | TRI-STATE PETROLEUM CORP | | | SCAC4 |
| 22 | TSWW | T & S TRUCKING | | | SCAC4 |
