| 1 | ALH | Alpha Air | Callsign: Alpha Air, | USA | AVCODES |
| 2 | ALH | Atlantic Airways Ltd. | Callsign: Lofcargo, | GB | AVCODES |
| 3 | ALH | Joint Stock Company Airline Alania | IATA: 2D, Callsign: White Swan, | RUS | AVCODES |
| 4 | ALHA | ALOHA FREIGHTWAYS, INC | | | SCAC3 |
| 5 | ALHA | ALOHA FREIGHTWAYS INC | | | SCAC4 |
| 6 | ALHB | A LITTLE HELP INC | | | SCAC3 |
| 7 | ALHB | Alstrom Transport Deutschland GmbH | | DE | VKM |
| 8 | ALHC | ALLEGHENY CONSOLIDATORS INC | | | SCAC3 |
| 9 | ALHD | ALUCHEM INC DEPT | | | SCAC3 |
| 10 | ALHD | ALS ENVIRONMENTAL | | | SCAC4 |
| 11 | ALHE | ALLEGHENY EXPRESS INC | | | SCAC3 |
| 12 | ALHE | ALPHA ENSAMBLES S A DE C V | | | SCAC4 |
| 13 | ALHF | ALOHA FREIGHT FORWARDERS, INC | | | SCAC3 |
| 14 | ALHG | ALLEN TRUCKING COMPANY | | | SCAC3 |
| 15 | ALHH | ALL FLORIDA TRANSPORT INC | | | SCAC3 |
| 16 | ALHH | A L M TRANSPORTATION & TOURS | | | SCAC4 |
| 17 | ALHI | ALPHA INTERNATIONAL MOVERS INC | | | SCAC3 |
| 18 | ALHI | ARALIA SHIPPING LTD | | | SCAC4 |
| 19 | ALHJ | ALOHA EXPRESS | | | SCAC4 |
| 20 | ALHK | ALSPAW HAY AND LIVESTOCK | | | SCAC3 |
| 21 | ALHM | ALHAMBRA MACHINERY MOVERS | | | SCAC3 |
| 22 | ALHN | ALTENHOFEN EXPRESS INC | | | SCAC3 |
| 23 | ALHO | ALTHAUS TRUCKING INC | | | SCAC3 |
| 24 | ALHO | ALM LOGISTICS INC | | | SCAC4 |
| 25 | ALHP | ALICE TRANSPORT | | | SCAC3 |
| 26 | ALHP | AIRGROUP AND ADCOM WORLDWIDE | | | SCAC4 |
| 27 | ALHQ | ALES, CHESTER | | | SCAC3 |
| 28 | ALHQ | A S LOGISTIC SERVICES | | | SCAC4 |
| 29 | ALHS | ALLARDS MOVING & STORAGE OF MANCHES | | | SCAC3 |
| 30 | ALHS | APOLLO LOGISTICS LLC | | | SCAC4 |
| 31 | ALHT | ALARY TRANSPORT INC | | | SCAC3 |
| 32 | ALHT | AMERICAN LIGHTHOUSE TRANSPORTATION | | | SCAC4 |
| 33 | ALHU | AIR LIQUIDE TRINIDAD & TOBAGO LIMITED | | TT | BIC |
| 34 | ALHU | AIR LIQUIDE TRINIDAD & TOBAGO LIMIT | | | SCAC4 |
| 35 | ALHV | ALEXANDER HAULING | | | SCAC3 |
| 36 | ALHW | ASA LOGISTICS LLC | | | SCAC4 |
| 37 | ALHX | General American Marks Co. | added 4/2009 | | NAKINA |
| 38 | ALHX | AllCapital Rail Management, LLC | added 7/2007; eliminated 4/2009 | | NAKINA |
| 39 | ALHX | ALLCAPITAL RAIL MANAGEMENT, LLC | | | PWRC |
| 40 | ALHX | GENERAL AMERICAN MARKS COMPANY | | | SCAC4 |
| 41 | ALHY | ALLEGHENY LABEL TRUCKING INC | | | SCAC3 |