| 8301 | ALXN | ALEXANDER TRUCKING COMPANY | | | SCAC3 |
| 8302 | ALXN | ALCON EXPRESS CORP | | | SCAC4 |
| 8303 | ALXO | ALEXANDER, V & COMPANY INC | | | SCAC3 |
| 8304 | ALXO | ALEXANDER OIL CO | | | SCAC4 |
| 8305 | ALXP | AIRLAND EXPRESS INC | | | SCAC4 |
| 8306 | ALXQ | ALEXANDER TRUCKING | | | SCAC3 |
| 8307 | ALXR | ALEXANDER TRUCK LINE | | | SCAC3 |
| 8308 | ALXR | ALAMAL TRANSPORT INC | | | SCAC4 |
| 8309 | ALXS | ALEXANDRIA SCRAP CORP | | | SCAC3 |
| 8310 | ALXS | ALIANA EXPRESS INC | | | SCAC4 |
| 8311 | ALXT | ALEXANDER TRUCKING COMPANY | | | SCAC4 |
| 8312 | ALXU | AIRLIFE GASES PRIVATE LIMITED | | IND | BIC |
| 8313 | ALXV | ALEXANDERS MOBILITY SERVICES | | | SCAC4 |
| 8314 | ALXW | ART LEATHER DE MEXICO S DE R L DE C | | | SCAC4 |
| 8315 | ALXY | AMERICAN LUXURY CAR TRANSPORTATION | | | SCAC3 |
| 8316 | ALXY | ALLIED AMERICAN TRANSPORT SOLUTIONS | | | SCAC4 |
| 8317 | ALY | Alyeska Air Service | Callsign: Alyeska, | USA | AVCODES |
| 8318 | ALY | Alyeska Air Service | | | ICAO1 |
| 8319 | ALY | Allegheny & Eastern R.R., Inc. | added 1/1993; 1/1994-7/2000; eliminated 4/2004; 7/2005 | | NAKINA |
| 8320 | ALY | Allegheny R.R. Co. | added 10/1985; eliminated 1/1993 | | NAKINA |
| 8321 | ALY | Allegheny R.R. Co. | eliminated 1/93 | | NRHS |
| 8322 | ALY | Allegheny & Eastern R.R., Inc. | added 1/93; 1/94-7/2000 | | NRHS |
| 8323 | ALY | *ALLEGHENY & EASTERN RAILROAD, INC. [ALLEGHENY RAILROAD CO.] | | | PWRC |
| 8324 | ALY | +BUFFALO & PITTSBURGH RAILROAD INC. | | | PWRC |
| 8325 | ALY | ALLEGHENY & EASTERN RAILROAD, INC. [ALLEGNENY RAILROAD CO.] | | | PWRC |
| 8326 | ALY | Allegheny Railroad (Allegheny and Eastern Railroad) | | | RSRV |
| 8327 | ALY | Allegheny & Eastern R.R., Inc | | USA | TRAFFIC |
| 8328 | ALYA | ALVAREZ, YASMIN | | | SCAC4 |
| 8329 | ALYB | A L Y TRANSPORT | | | SCAC4 |
| 8330 | ALYC | ALL COAST CARRIERS | | | SCAC3 |
| 8331 | ALYC | ACERO LOGISTICA Y SERVICIOS ADUANAL | | | SCAC4 |
| 8332 | ALYE | ALYESHA MOVING SERVICE INC | | | SCAC3 |
| 8333 | ALYE | ALAMO ONE (1) | | | SCAC4 |
| 8334 | ALYG | ALEY AND L GROUP CORPORATION | | | SCAC4 |
| 8335 | ALYI | ALNYE INC | | | SCAC3 |
| 8336 | ALYI | ALNYE INC | | | SCAC4 |
| 8337 | ALYJ | ALLIANCE TRUCKING SERVICES INC | | | SCAC4 |
| 8338 | ALYK | ALL-WAYS TRUCKING COMPANY | | | SCAC4 |
| 8339 | ALYL | ALLEGHENY LIMOUSINES INC | | | SCAC3 |
| 8340 | ALYL | ALLEGHENY LIMOUSINES INC | | | SCAC4 |
| 8341 | ALYM | ALYESKA MANAGEMENT SERVICES & ALYES | | | SCAC3 |
| 8342 | ALYM | ALLEGHENY LOGISTICS SERVICES INC | | | SCAC4 |
| 8343 | ALYN | AMIEE LYNN INC | | | SCAC4 |
| 8344 | ALYO | ALMAC SYSTEM TRANSPORT, INC | | | SCAC3 |
| 8345 | ALYP | ANDERSON, LOYD PRODUCE | | | SCAC3 |
| 8346 | ALYP | ANDERSON, LOYD PRODUCE COMPANY | | | SCAC4 |
| 8347 | ALYQ | A & L TRANSIT INC | | | SCAC4 |
| 8348 | ALYT | ALLEGHENY TRANSFER & STORAGE CO INC | | | SCAC3 |
| 8349 | ALYU | ALTAY SCIENTIFIC SPA | | | SCAC4 |
| 8350 | ALYW | AL'S RECYCLING | | | SCAC4 |
| 8351 | ALYY | ALLYN INTERNATIONAL SERVICES INC | | | SCAC4 |
| 8352 | ALZ | Alta Flights (Charters) Ltd. | | CDN | AVCODES |
| 8353 | ALZ | Alliance Airlines | Callsign: Alliance Air, | USA | AVCODES |
| 8354 | ALZ | Azure Aviation Ltd. | Callsign: Azure, | BS | AVCODES |
| 8355 | ALZ | Alta Flights (Charters) Ltd. | | | ICAO1 |
| 8356 | ALZA | AL & LYD TRANSPORT INC | | | SCAC4 |
| 8357 | ALZA | Alza Cargo | | PL | TRAFFIC |
| 8358 | ALZB | ALBANY TRANSPORT LLC | | | SCAC4 |
| 8359 | ALZC | AMERICAN LIMOUSINE INC | | | SCAC3 |
| 8360 | ALZF | ALONZO FARMS, INC | | | SCAC3 |
| 8361 | ALZG | ALLEN BOYS TRUCKING | | | SCAC4 |
| 8362 | ALZH | ALMQUIST LOGISTICS | | | SCAC4 |
| 8363 | ALZJ | ALLEN, TYLER TRUCKING | | | SCAC4 |
| 8364 | ALZM | ALADDIN MILLS INC | | | SCAC3 |
| 8365 | ALZP | ALPHECCA SHIPPING CO. LTD. | | | SCAC3 |
| 8366 | ALZP | ALONSO TRANSPORT | | | SCAC4 |
| 8367 | ALZQ | ARMADORES LARA, S.A. | | | SCAC3 |
| 8368 | ALZQ | A L D SERVICES INC | | | SCAC4 |
| 8369 | ALZS | ALLIED SYSTEMS, LTD | | | SCAC3 |
| 8370 | ALZS | ALLIED SYSTEMS LTD | | | SCAC4 |
| 8371 | ALZU | AIR LIQUIDE NEW ZEALAND | | NZ | BIC |
| 8372 | ALZU | ADVANCED LINER PACKAGING LTD | | | SCAC4 |
| 8373 | ALZV | ALVELOS SHIPPING CORP. | | | SCAC3 |
| 8374 | ALZY | ALL-CONNECT | | | SCAC4 |
| 8375 | AM | Aeromexico Aerovias de Mexico S.A. de C.V. | ICAO: AMX, Callsign: Aeromexico, IATA Prefix: 139, | MEX | AVCODES |
| 8376 | AM | Aeronaves de Mexico, S.A. | | MEX | AVCODES |
| 8377 | AM | Aerovias de Mexico S.A. de C.V. | ICAO: AMX, Callsign: Aeromexico, IATA Prefix: 139, Name changed from Aeromexico Aerovias de Mexico S.A. de C.V. | MEX | AVCODES |
| 8378 | AM | Arkansas & Missouri R.R. Co. | added 10/1986; 1/1994-7/2005 | | NAKINA |
| 8379 | AM | Arkansas & Missouri R.R. Co. | added 10/86; 1/94-7/2000 | | NRHS |
| 8380 | AM | ARKANSAS & MISSOURI RAILROAD COMPANY | | | PWRC |
| 8381 | AM | Arkansas and Missouri Railroad | | | RSRV |
| 8382 | AM | Arkansas and Missouri Railroad | | USA | TRAFFIC |
| 8383 | AM | Andreas Mühlbauer Bau GmbH | | DE | VKM |
| 8384 | AMA | JSC Aircompany ATMA | IATA: IM, Callsign: Adik, IATA Prefix: 707, Name changed to Jupiter Jet Airlines LLP. Founded on 26 September 1996. | KZ | AVCODES |
| 8385 | AMA | Jupiter Jet Airlines LLP | IATA: IM, Callsign: Adik, IATA Prefix: 707, Name changed from JSC Aircompany ATMA. Founded on 26 September 1996. | KZ | AVCODES |
| 8386 | AMA | Aircompany Moalem Aviation | Callsign: Moalem, | KS | AVCODES |
| 8387 | AMA | ATMA | | | ICAO1 |
| 8388 | AMAB | AMA TRANSPORT INC | | | SCAC3 |
| 8389 | AMAC | A & M AGRICULTURAL CO-OP INC | | | SCAC3 |
| 8390 | AMAC | AUTOTRANSPORTES MAC | | | SCAC4 |
| 8391 | AMADOR | Amador Stage Lines (CA) | | US-CA | TRAFFIC |
| 8392 | AMAE | ALLIED MARITIME INC | | | SCAC4 |
| 8393 | AMAGI | Amagi Railway (Amatetsu) | | J | TRAFFIC |
| 8394 | AMAI | AMARAL TRUCK CO | | | SCAC3 |
| 8395 | AMAI | A M A PLASTICS LTD | | | SCAC4 |
| 8396 | AMAJ | A M AIR COURIERS INC | | | SCAC3 |
| 8397 | ÅmÅJ | Åmål - Årjäng Järnväg | 1927 - 1937 | S | svenska-lok.se |
| 8398 | AMAK | AMTOTE INTERNATIONAL INC | | | SCAC4 |
| 8399 | AMAL | ACT MARITIME CO LTD | | | SCAC3 |
| 8400 | AMAL | A M A N LOGISTICS LTD | | | SCAC4 |
