| 1 | AUS | Aus-Air | | AUS | AVCODES |
| 2 | AUS | Australian Airlines | IATA: TN, Callsign: Australina, Merged into Qantas in April 1994. | AUS | AVCODES |
| 3 | AUS | Australian International Airlines | | AUS | AVCODES |
| 4 | AUS | Aus-Air | IATA: NO | | ICAO1 |
| 5 | AUS | Augusta Southern R.R. | 8/1920-7/1923 | | NAKINA |
| 6 | AUS | Augusta & Summerville R.R. Co. | 1/1975-1/1980 | | NAKINA |
| 7 | AUS | Augusta Southern R.R. | 23-Jul | | NRHS |
| 8 | AUS | Augusta & Summerville R.R. Co. | 1/75-1/80 | | NRHS |
| 9 | AUS | *AUGUSTA SOUTHERN RAILROAD | | | PWRC |
| 10 | AUS | *AUGUSTA & SOMMERVILLE RAILROAD | | | PWRC |
| 11 | AUS | Augusta Southern Railroad | | | RSRV |
| 12 | AUS | Augusta and Summerville Railroad | | | RSRV |
| 13 | AUS | Australia | | AUS | TRAFFIC |
| 14 | AUSA | AUSTIN, ALAN | | | SCAC3 |
| 15 | AUSA | Australian Army | | AUS | TRAFFIC |
| 16 | AUSB | AUSTIN TRUCKING COMPANY INC | | | SCAC3 |
| 17 | AUSC | AUBURN SHIPPING CORPORATION | | | SCAC3 |
| 18 | AUSC | AUBURN SHIPPING CORPORATION | | | SCAC4 |
| 19 | AUSD | AUSTAD, CARL J & SON INC | | | SCAC3 |
| 20 | AUSE | AUTO CLUB OF SOUTHERN PENNSYLVANIA | | | SCAC3 |
| 21 | AUSF | AUSTINS FINEST MOVING & STORAGE | | | SCAC3 |
| 22 | AUSFC | Australian Flying Corps | Real: AFC, The Australian Flying Corps (AFC) was the branch of the Australian Army responsible for operating aircraft during World War I, and the forerunner of the Royal Australian Air Force (RAAF) | AUS | TRAFFIC |
| 23 | AUSG | AUTOCARS SARTIGAN INC | | | SCAC3 |
| 24 | AUSH | AAA-U S INTERNATIONAL TRANSPORTATIO | | | SCAC3 |
| 25 | AUSI | ACTIVE USA INC | | | SCAC4 |
| 26 | AUSJ | AUSTIN TRUCKING | | | SCAC4 |
| 27 | AUSK | AUSTIN TRUCKING | | | SCAC3 |
| 28 | AUSM | AUSTIN, FRED TRUCKING INC | | | SCAC3 |
| 29 | AUSN | AUSTIN TRUCKING COMPANY INC | | | SCAC3 |
| 30 | AUSO | ANTUS TRANSPORTATION INC | | | SCAC4 |
| 31 | AUSQ | ALL USA SYSTEMS INC | | | SCAC3 |
| 32 | AUSR | AUSMUS TRUCKING | | | SCAC3 |
| 33 | AUSR | A-SONIC LOGISTICS (USA) INC | | | SCAC4 |
| 34 | AUSS | AUSTIN TRANSPORTATION INC | | | SCAC4 |
| 35 | AUST | AUTO STRAP TRANSPORT LLC | | | SCAC4 |
| 36 | AUSU | SPECTAINER SINGAPORE PTE LTD. | | SGP | BIC |
| 37 | AUSU | ACE LINES LTD. | | | SCAC3 |
| 38 | AUSU | ACE LINES LTD. | | | SCAC4 |
| 39 | AUSV | AUSCOR TRANSPORTATION SERVICES | | | SCAC4 |
| 40 | AUSW | AUSTIN WHITE LIME TRANSPORT INC | | | SCAC3 |
| 41 | AUSX | MACQUARIE RAIL INC. | | | PWRC |
| 42 | AUSX | MACQUARIE RAIL INC | | | SCAC4 |
| 43 | AUSY | ALPI U S A INC | | | SCAC4 |
