| 7401 | ALC | Southern Jersey Airways, Inc. | Callsign: Acom, | USA | AVCODES |
| 7402 | ALC | Southern Jersey Airways, Inc. | | | ICAO1 |
| 7403 | ALC | ALLEGHENY CENTRAL RAILROAD | | | PWRC |
| 7404 | ALC | Autoliner Corp. | | USA | TRAFFIC |
| 7405 | ALCA | ALCAL DELIVERY INC | | | SCAC3 |
| 7406 | ALCA | ALCAL DELIVERY INC | | | SCAC4 |
| 7407 | ALCAN | Rio Tinto Alcan | | UK | VKM |
| 7408 | ALCB | ALBUQUERQUE CAB COMPANY INC | | | SCAC3 |
| 7409 | ALCC | AGR. DIV., ALLIED CHEMICAL CORP. | | | PWRC |
| 7410 | ALCC | ALCREST TRANSPORTATION SERVICES INC | | | SCAC4 |
| 7411 | ALCD | ALLIED CHLORINE & CHEMICAL PRODUCE | | | SCAC3 |
| 7412 | ALCD | A LAMP CONCRETE CONTRACTORS INC | | | SCAC4 |
| 7413 | ALCE | ALCO EXPRESS CO | | | SCAC3 |
| 7414 | ALCE | ALLIANCE CONTRACTOR TEAM | | | SCAC4 |
| 7415 | ALCF | AMERICAN LIMO & COACH INC | | | SCAC3 |
| 7416 | ALCG | ALL ACCESS LOGISTICS INC | | | SCAC4 |
| 7417 | ALCH | ALLIED CHEMICAL CORP-ALLIED MOTOR O | | | SCAC3 |
| 7418 | ALCH | ALTEX CHARTERED INC | | | SCAC4 |
| 7419 | ALCI | ALCOA CARTAGE CO | | | SCAC3 |
| 7420 | ALCI | AIR LIQUIDE CANADA INC | | | SCAC4 |
| 7421 | ALCJ | ALC TRANSPORTATION INC | | | SCAC3 |
| 7422 | ALCJ | ALCESMAR LIMITED | | | SCAC4 |
| 7423 | ALCL | ALCALA, ENRIQUE V | | | SCAC3 |
| 7424 | ALCM | AESA LOGISTICS CORP | | | SCAC4 |
| 7425 | ALCN | ALSCRAN TRUCKING INC | | | SCAC3 |
| 7426 | ALCNB | ALCAN (ALUMINUM COMPANY OF CANADA) | | | PWRC |
| 7427 | ALCO | AMERICAN LOCOMOTIVE COMPANY | | | PWRC |
| 7428 | ALCO | ANN-CAL TRUCKING CORP | | | SCAC3 |
| 7429 | ALCO | AUTOTRANSPORTES LEE CASTILLO S A DE | | | SCAC4 |
| 7430 | ALCO | | | USA | TRAFFIC |
| 7431 | ALCO | Alcosuisse AG | | CH | VKM |
| 7432 | ALCOS | Alcosuisse | | CH | TRAFFIC |
| 7433 | ALCP | ALL CORPS | | | SCAC3 |
| 7434 | ALCP | ALLIANCE RELOCATION SERVICES | | | SCAC4 |
| 7435 | ALCQ | ALCO TRUCKING | | | SCAC3 |
| 7436 | ALCQ | ALL CANADA CRANE RENTAL CORP | | | SCAC4 |
| 7437 | ALCR | ALSTON CARTAGE LTD | | | SCAC4 |
| 7438 | ALCS | ALCO SHIPPING AGENCIES BAHAMAS, LTD | | | SCAC3 |
| 7439 | ALCT | ALTERNATIVE CHOICES TRANSPORTATION | | | SCAC4 |
| 7440 | ALCU | AARTI INDUSTRIES LIMITED | | IND | BIC |
| 7441 | ALCU | PRODUCTOS ASFALTICOS S.A. | | | SCAC3 |
| 7442 | ALCU | AARTI INDUSTRIES LIMITED | | | SCAC4 |
| 7443 | ALCV | ALLIED CONTAINER SERVICES | | | SCAC3 |
| 7444 | ALCV | ALCO VENTURES | | | SCAC4 |
| 7445 | ALCW | ALLIED CITY TRUCKING & WOODSIDE TRU | | | SCAC3 |
| 7446 | ALCW | ALCO INC | | | SCAC4 |
| 7447 | ALCX | Alcan Smelters and Chemicals, Ltd. | added 4/1992; 1/1994-7/2005; eliminated 10/2005; added 4/2006; eliminated 10/2009 | | NAKINA |
| 7448 | ALCX | Aluminum Co. of Canada, Ltd. | 7/1932-1/1980; eliminated 5/1983; 1/1985 (not listed) | | NAKINA |
| 7449 | ALCX | Aluminum Co. of Canada, Ltd. | 4/38-1/80; eliminated 5/83 | | NRHS |
| 7450 | ALCX | Alcan Smelters and Chemicals, Ltd. | added 4/92; 1/94-7/2000 | | NRHS |
| 7451 | ALCX | *ALLEGHENY CENTRAL SCENIC RAILROAD | | | PWRC |
| 7452 | ALCX | +ALCAN SMELTERS & CHEMICAL, LTD. - CANADA {ALUMINUM COMPANY OF CANADA] | | | PWRC |
| 7453 | ALCX | Alcan Smelters and Chemicals (Allegheny Creative Energy Solutions) | | | RSRV |
| 7454 | ALCX | ALUMINUM COMPANY OF CANADA LTD | | | SCAC3 |
| 7455 | ALCX | ALLEGHENY CREATIVE ENERGY SOLUTIONS | | | SCAC4 |
| 7456 | ALCY | ALL CARTAGE TRANSPORTATION INC | | | SCAC3 |
| 7457 | ALCY | ALL CARTAGE TRANSPORTATION INC | | | SCAC4 |
| 7458 | ALCZ | ALLEN COUNTY CO-OP | | | PWRC |
| 7459 | ALD | Aeronaves La Dorada, S.A. | Callsign: Dorada, | E | AVCODES |
| 7460 | ALD | Aviation Spare Parts Europe | Callsign: Aly, | B | AVCODES |
| 7461 | ALD | Albion Aviation Limited | | GB | AVCODES |
| 7462 | ALD | Air Leisure Egypt | IATA: AL, Callsign: Air Leisure, Suspended operations on 22 October 2018. Founded in 2014. | ET | AVCODES |
| 7463 | ALD | Albion Aviation | | | ICAO1 |
| 7464 | ALD | AIR LIQUIDE Deutchland GmbH | | DE | VKM |
| 7465 | ALDA | ALL DESTINATIONS | | | SCAC3 |
| 7466 | ALDA | ALDAMESA | | | SCAC4 |
| 7467 | ALDB | ALTAIR DISTRIBUTION MANAGEMENT INC | | | SCAC3 |
| 7468 | ALDB | ALISPED INTERNATIONAL FORWARDING | | | SCAC4 |
| 7469 | ALDC | ALUMINUM DISTRIBUTION CO | | | SCAC3 |
| 7470 | ALDE | ALDER, JESSE W | | | SCAC3 |
| 7471 | ALDE | ALANJO DESIGN INC | | | SCAC4 |
| 7472 | ALDF | ALLIED SHIPPING SERVICES | | | SCAC3 |
| 7473 | ALDG | ALLEN, L D TRUCKING | | | SCAC3 |
| 7474 | ALDH | ALDRICH TRUCKING INC | | | SCAC3 |
| 7475 | ALDH | A L T TRANSPORTATION | | | SCAC4 |
| 7476 | ALDI | ALL DISTRIBUTING & TRANSPORTATION I | | | SCAC3 |
| 7477 | ALDI | ALDILA INC | | | SCAC4 |
| 7478 | ALDJ | ALLSTATE LOGISTICS INC | | | SCAC4 |
| 7479 | ALDL | ALLENDALE GRAVEL CO | | | SCAC3 |
| 7480 | ALDL | AUTO LINEAS DEL SOL SA DE CV | | | SCAC4 |
| 7481 | ALDM | ALADDIN MOVING & STORAGE | | | SCAC3 |
| 7482 | ALDN | ALBIN-DEAN TRUCKING INC | | | SCAC3 |
| 7483 | ALDN | ALCATEL DE NOGALES S A DE CV | | | SCAC4 |
| 7484 | ALDO | ALERT DELIVERY SERVICE CORP | | | SCAC3 |
| 7485 | ALDO | ALFREDOS TRUCKING | | | SCAC4 |
| 7486 | ALDP | ALLSTATE DELIVERY SERVICES A DIVISI | | | SCAC4 |
| 7487 | ALDR | ALDRIDGE, W AND A B | | | SCAC3 |
| 7488 | ALDS | ALEXANDERS MOVING & STORAGE INC (ST | | | SCAC4 |
| 7489 | ALDT | ALLIED CONTAINER TRANSPORT INC | | | SCAC4 |
| 7490 | ALDV | ALTON DELIVERY SERVICE CO INC | | | SCAC3 |
| 7491 | ALDV | AGUNSA LOGISTICS & DISTRIBUTION (LO | | | SCAC4 |
| 7492 | ALDW | ALLIED TOWING SERVICE INC | | | SCAC3 |
| 7493 | ALDY | ALLIED DELIVERY SERVICE | | | SCAC3 |
| 7494 | ALE | Alliance Executive Jets Ltd. | Callsign: Alliance Malta, | M | AVCODES |
| 7495 | ALE | Aeroalas Colombia | | | ICAO1 |
| 7496 | ALEA | ALAINS TRUCKING | | | SCAC4 |
| 7497 | ALEB | ALLSTATE EXPRESS INC | | | SCAC3 |
| 7498 | ALEC | ALLIED COURIER, INC | | | SCAC3 |
| 7499 | ALED | ALLES, STAN, TRANSPORT | | | SCAC3 |
| 7500 | ALEE | ALEXANDERS INC | | | SCAC3 |
