| 1 | ABU | Aerovias Bueno Ltda. | Callsign: Aerobueno, | CO | AVCODES |
| 2 | ABU | Eagle Aviaton Services, Inc | | USA | AVCODES |
| 3 | ABU | Aerovias Bueno | | | ICAO1 |
| 4 | ABUB | ALLEN BUS LINES | | | SCAC3 |
| 5 | ABUD | ABU DHABI NATIONAL TANKER COMPANY | | | SCAC3 |
| 6 | ABUD | ABU DHABI NATIONAL TANKER COMPANY | | | SCAC4 |
| 7 | ABUE | AMERICAN BUSLINES INC | | | SCAC3 |
| 8 | ABUF | ABACUS TRANSFER & STORAGE | | | SCAC3 |
| 9 | ABUF | ABSOLUTE FREIGHT INCORPORATED | | | SCAC4 |
| 10 | ABUI | ANDERSON, BUD FORD INC | | | SCAC3 |
| 11 | ABUJ | ACTION BUS OF NEW JERSEY INC | | | SCAC3 |
| 12 | ABUK | A R B TRUCKING INC | | | SCAC3 |
| 13 | ABUK | ATHENIAN BULKERS SA | | | SCAC4 |
| 14 | ABUK | Abukuma Express Ltd. | | J | TRAFFIC |
| 15 | ABUL | ABACUS TRUCK LINES 1948 LTD | | | SCAC4 |
| 16 | ABUM | ABUS MARITIME CORPORATION (LIBERIA) | | | SCAC3 |
| 17 | ABUN | ACTION BUS COMPANY INC | | | SCAC3 |
| 18 | ABUO | ANT BULKOIL CARRIER LTD. | | | SCAC3 |
| 19 | ABUP | ARBOUR SHIPPING CORP. | | | SCAC3 |
| 20 | ABUR | ALBURN TRUCKING COMPANY | | | SCAC3 |
| 21 | ABUS | ABLE BUS CO INC | | | SCAC3 |
| 22 | ABUS | ARBUTUS COMMERCIAL FURNITURE LTD | | | SCAC4 |
| 23 | ABUS | American Bus Company, NJ | | USA | TRAFFIC |
| 24 | ABUSG | Przedsiębiorstwo Komunikacyjne A-BUS | City: Gdynia | PL | TRAFFIC |
| 25 | ABUSS | ABUSS Autobusova Doprava | | SK | TRAFFIC |
| 26 | ABUT | A BUS & TOURS | | | SCAC3 |
| 27 | ABUT | ARBUTUS GROVE NURSERY LTD | | | SCAC4 |
| 28 | ABUV | ALLTOWN BUS SERVICE INC | | | SCAC3 |
