| 1 | TWG | Trans Wing A/S | Callsign: Transwing Cargo, Name change to Trans Wing A.S. and ICAO callsign changed to Transwing | N | AVCODES |
| 2 | TWG | Trans Wing A.S. | Callsign: Transwing, Name change from Trans Wing A/S and ICAO callsign changed to Transwing Cargo | N | AVCODES |
| 3 | TWG | Air-Taxi Europe (a-te) GmbH | IATA: TZ, Callsign: Twin-Goose, | D | AVCODES |
| 4 | TWG | Air-Taxi Europe (a-te) GmbH | Callsign: Twin-Goose, Designator TZ recalled by IATA | D | AVCODES |
| 5 | TWG | TANKWAGON Sp. z o.o | | PL | VKM |
| 6 | TWGA | TODD, WILLIAM GORDON | | | SCAC4 |
| 7 | TWGB | TWG TRANSPORTATION | | | SCAC4 |
| 8 | TWGC | TRANSPORTES GARZA ROQUE | | | SCAC4 |
| 9 | TWGD | TRANSWELL LOGISTICS CO LTD | | | SCAC4 |
| 10 | TWGE | TRANSPORTES NOWELL SA DE CV | | | SCAC4 |
| 11 | TWGH | TWO TWO TWO ONE FOUR FOUR EIGHT (22 | | | SCAC4 |
| 12 | TWGI | TOTAL WAREHOUSING INC (N/K/A GREATW | | | SCAC4 |
| 13 | TWGK | TOWNS LOGISTICS INC | | | SCAC4 |
| 14 | TWGL | T & L TRANSPORT | | | SCAC4 |
| 15 | TWGN | TWIN RIVER LOGISTICS INC | | | SCAC4 |
| 16 | TWGQ | TWIN LOGISTICS GROUP INC | | | SCAC4 |
| 17 | TWGR | TWO ACES TRANSPORT | | | SCAC4 |
| 18 | TWGS | TEWASHO LOGISTICS LLC | | | SCAC4 |
| 19 | TWGT | TWINLIGHTS LOGISTICS LLC | | | SCAC4 |
| 20 | TWGX | Tidewater Grain Co. | added 4/1979; 1/1980; eliminated 7/1986 | | NAKINA |
| 21 | TWGX | Tidewater Grain Co. | added 4/79; 1/80; eliminated 7/86 | | NRHS |
| 22 | TWGX | TIDEWATER GRAIN CO. | | | PWRC |
| 23 | TWGX | Tidewater Grain | | | RSRV |
