| 1 | AAR | Asiana Airlines, Inc. | IATA: OZ, Callsign: Asiana, IATA Prefix: 988, | ROK | AVCODES |
| 2 | AAR | Americ Air | Callsign: Patriot, | USA | AVCODES |
| 3 | AAR | Asiana Airlines | IATA: OZ | | ICAO1 |
| 4 | AAR | Association of American Railroads | 7/2000-7/2005 | | NAKINA |
| 5 | AAR | Association of American Railroads | Jul-00 | | NRHS |
| 6 | AAR | ASSOCIATION OF AMERICAN RAILROADS | | | PWRC |
| 7 | AAR | Association of American Railroads | | | RSRV |
| 8 | AAR | Asiana Airlines | | ROK | TRAFFIC |
| 9 | AARA | ALVARADO, ARTURO | | | SCAC4 |
| 10 | AARB | AARBI MOVING AND STORAGE | | | SCAC3 |
| 11 | AARB | ADAMS, ROBERT | | | SCAC4 |
| 12 | AARB | Ann Arbor | Real: AA | USA | TRAFFIC |
| 13 | AARC | ANDREWS, ARCHIE COMPANY | | | SCAC3 |
| 14 | AARC | ANTONY ARCHITECTURAL STONE | | | SCAC4 |
| 15 | AARD | AARID VAN LINES INC | | | SCAC3 |
| 16 | AARD | ALTAIR LOGISTICS LTD | | | SCAC4 |
| 17 | AARE | (RAIL) DEPRE PRODUCT COMPANY | | | PWRC |
| 18 | AARE | A & R CARRIER LLC | | | SCAC4 |
| 19 | AARF | AMERFORD AIR CARGO | | | SCAC3 |
| 20 | AARF | AMERFORD AIR CARGO | | | SCAC4 |
| 21 | AARG | AAA FORWARDING INC | | | SCAC3 |
| 22 | AARG | Aerolíneas Argentinas | Real: AR / ARG | RA | TRAFFIC |
| 23 | AARI | A & R TRANSPORT INC | | | SCAC3 |
| 24 | AARI | ALL AMERICAN RELOCATION INC | | | SCAC4 |
| 25 | AARK | AARKEL TOOL AND DIE INC | | | SCAC4 |
| 26 | AARL | AAA REPAIRS LIMITED | | | SCAC4 |
| 27 | AARM | Air Armenia | Real: QN / ARR | AM | TRAFFIC |
| 28 | AARN | ALL-AMERICAN TRANSPORT INC | | | SCAC3 |
| 29 | AARO | AARCO EQUIPMENT INC | | | SCAC3 |
| 30 | AARO | AARCO EQUIPMENT INC | | | SCAC4 |
| 31 | AARP | A A R TRUCKING CORP | | | SCAC3 |
| 32 | AARP | A A R TRUCKING CORP | | | SCAC4 |
| 33 | AARQ | ALL AIR TRANSPORT INC | | | SCAC3 |
| 34 | AARQ | AMARIA INC | | | SCAC4 |
| 35 | AARR | AARON TRANSPORTATION | | | SCAC4 |
| 36 | AARS | ALASKA AIR TOURS INC | | | SCAC4 |
| 37 | AART | AARON TRANSPORTATION | | | SCAC4 |
| 38 | AART | Republic of Togo Air Force | Armée de l'Air Republic of Togo | TG | TRAFFIC |
| 39 | AARU | AARCADIAN, LLC | | USA | BIC |
| 40 | AARU | ARSHIYA RAIL INFRASTRUCTURE LIMITED | | | SCAC4 |
| 41 | AARV | AARO MOVING SYSTEM INC | | | SCAC3 |
| 42 | AARV | AARO MOVING SYSTEM INC | | | SCAC4 |
| 43 | AARV | Aargauer Agglomerations & Regionalverkehr | Real: AAR | CH | TRAFFIC |
| 44 | AARX | Association of American Railroads | | | RSRV |
| 45 | AARX | ASSN OF AMERICAN RR - U.S. PRIVATE | | | SCAC4 |
