| 10301 | AOAE | AUSTROMAR OBCHODNI A DOPRAVNI SPOL | | | SCAC4 |
| 10302 | AOAH | ASTRIDGE INTERNATIONAL | | | SCAC4 |
| 10303 | AOAI | ARMSTRONG RELOCATION | | | SCAC4 |
| 10304 | AOAJ | AMITE OIL CO LLC | | | SCAC4 |
| 10305 | AOAK | ADEN OF AVON INC | | | SCAC4 |
| 10306 | AOAL | A-ONE (A-1) CO OF CLARKSVILLE INC | | | SCAC4 |
| 10307 | AOAM | A-ONE (A-1) ALLSTATE MOVERS INC | | | SCAC3 |
| 10308 | AOAN | A-ONE (A-1) ADVENTURE TRAVEL INC | | | SCAC3 |
| 10309 | AOAN | A ONE (A1) LOGISTICS LLC | | | SCAC4 |
| 10310 | AOAO | A-ONE (A-1) ACE MOVING & STORAGE OF | | | SCAC3 |
| 10311 | AOAO | AOL SOLUTIONS INC | | | SCAC4 |
| 10312 | AOAP | AOA TRANSPORT | | | SCAC3 |
| 10313 | AOAP | ARMSTRONG RELOCATION NASHVILLE TENN | | | SCAC4 |
| 10314 | AOAQ | A-ONE (A-1) FAMILY TOWING INC | | | SCAC4 |
| 10315 | AOAR | A-ONE (A-1) RELOCATION INCORPORATED | | | SCAC3 |
| 10316 | AOAR | A-ONE (A-1) LOGISTICS INC | | | SCAC4 |
| 10317 | AOAS | AI TRANSPORT CO | | | SCAC4 |
| 10318 | AOAT | ACTION TRUCKING LLC | | | SCAC4 |
| 10319 | AOAV | A-ONE (A-1) AUTO MOVERS | | | SCAC3 |
| 10320 | AOAW | ALDERMAN OIL COMPANY | | | SCAC4 |
| 10321 | AOB | Aerocaribe Cord, С.А. | Callsign: ???ib? Cord, | YV | AVCODES |
| 10322 | AOB | Autobus Oberbayern GmbH | | D | TRAFFIC |
| 10323 | AOBF | AUTO-BON FORWARDING INC | | | SCAC3 |
| 10324 | AOBF | A-ONE (A-1) MOVING & STORAGE INC | | | SCAC4 |
| 10325 | AOBG | ACROBAG | | | SCAC4 |
| 10326 | AOBK | ABJ LOGISTICS INC | | | SCAC4 |
| 10327 | AOBL | A-ONE (A-1) BUS LINES INC | | | SCAC3 |
| 10328 | AOBM | ARNOLD, BILLY M INC | | | SCAC3 |
| 10329 | AOBN | ARMSTRONG RELOCATION (BROKERAGE DVI | | | SCAC4 |
| 10330 | AOBO | ATLANTIC OBO TRANSPORTERS LTD. | | | SCAC3 |
| 10331 | AOBP | AUTOBUS PONTIAC TOURS SOL AIR MER I | | | SCAC3 |
| 10332 | AOBP | A-ONE (A-1) INTERMODAL INC | | | SCAC4 |
| 10333 | AOBS | AUTO-PRO TRANSPORT INC | | | SCAC3 |
| 10334 | AOBS | ALDI TRANSFER | | | SCAC4 |
| 10335 | AOBT | ALTON, BARBARA TRUCKING | | | SCAC3 |
| 10336 | AOC | TitanFly International S.r.l. | Callsign: Aramis, Name changed to Air Eclipse International S.r.l. | RSM | AVCODES |
| 10337 | AOC | Air Eclipse International S.r.l. | Callsign: Aramis, Name changed from TitanFly International S.r.l. | RSM | AVCODES |
| 10338 | AOC | AVCOM | IATA: J6 | | ICAO1 |
| 10339 | AOCA | ARCO COAL SALES COMPANY | | | SCAC3 |
| 10340 | AOCA | AINSLEY OIL COMPANY INC | | | SCAC4 |
| 10341 | AOCB | A-ONE (A-1) CHARTERS INC | | | SCAC3 |
| 10342 | AOCB | ALVES OIL CO INC | | | SCAC4 |
| 10343 | AOCC | A-ONE (A-1) CITY CAB SHUTTLE CORPOR | | | SCAC3 |
| 10344 | AOCD | AMADOR COMPANIA ARMADORA S A | | | SCAC3 |
| 10345 | AOCD | AOC MEXICO SA DE CV | | | SCAC4 |
| 10346 | AOCE | A-ONE (A-1) CHICAGO COURIER INC | | | SCAC3 |
| 10347 | AOCF | AMERICAN OCEAN FREIGHT SERVICES INC | | | SCAC3 |
| 10348 | AOCG | ASTRO CARTAGE INC | | | SCAC3 |
| 10349 | AOCG | ASTRO CARTAGE INC | | | SCAC4 |
| 10350 | AOCH | A ONE CARRIERS INC | | | SCAC4 |
| 10351 | AOCI | A-ONE (A-1) COURIER | | | SCAC3 |
| 10352 | AOCI | AARON OIL COMPANY INC | | | SCAC4 |
| 10353 | AOCK | AIR OCEAN CARGO USA LLC | | | SCAC4 |
| 10354 | AOCL | AMERICAN OCEAN LINES | | | SCAC3 |
| 10355 | AOCL | ALTO CONTAINER LINE INC | | | SCAC4 |
| 10356 | AOCM | A-ONE (A-1) CARRIER MOVING & STORAG | | | SCAC3 |
| 10357 | AOCN | AIRPORT CONNECTION INC, THE, | | | SCAC3 |
| 10358 | AOCN | A ONE (A1) CARGO CORPORATION | | | SCAC4 |
| 10359 | AOCO | AERO CHARTERS & TOURS | | | SCAC3 |
| 10360 | AOCP | ASTRA COMPANIA ARGENTINA DE PETROLE | | | SCAC3 |
| 10361 | AOCP | AAA OIL CO-PRIESTLEY HEATING OIL | | | SCAC4 |
| 10362 | AOCQ | ASHFORD, T P OIL COMPANY | | | SCAC3 |
| 10363 | AOCR | ARMOR CARRIERS INC | | | SCAC3 |
| 10364 | AOCR | ALE ELECTRO-CONSTRUCCIONES SA DE CV | | | SCAC4 |
| 10365 | AOCS | AIRLIMO-AIRLINE COURIER SERVICE | | | SCAC3 |
| 10366 | AOCS | AO CONTAINER LINES INC | | | SCAC4 |
| 10367 | AOCT | ALBERTO, C TRUCKING CO INC | | | SCAC3 |
| 10368 | AOCU | INNOSPEC LIMITED | | GB | BIC |
| 10369 | AOCU | THE ASSOCIATED OCTEL CO. LTD | | | PWRC |
| 10370 | AOCU | Associated Octel | | | RSRV |
| 10371 | AOCU | ASSOCIATED OCTEL | | | SCAC3 |
| 10372 | AOCU | ASSOCIATED OCTEL CO LTD | | | SCAC4 |
| 10373 | AOCV | ADVANCE OCEAN INC. | | | SCAC4 |
| 10374 | AOCW | ASTRA OIL COMPANY LLC | | | SCAC4 |
| 10375 | AOCX | Aluminum Co. of America | added 4/1953; 7/1954-7/2005 | | NAKINA |
| 10376 | AOCX | Aluminum Ore Co. (Alcoa Ore Co.) | 7/1930-7/1932 | | NAKINA |
| 10377 | AOCX | Aluminum Ore Co. | 7/1935-1/1952; eliminated 4/1953 | | NAKINA |
| 10378 | AOCX | Aluminum Ore Co. | 4/38-1/52 | | NRHS |
| 10379 | AOCX | Aluminum Co. of America | 10/57-7/2000 | | NRHS |
| 10380 | AOCX | ALUMINUM COMPANY OF AMERICA {ALUMINUM ORE CO.; ALCOA ORE CO.] | | | PWRC |
| 10381 | AOCX | Aluminum of America (Alcoa) | | | RSRV |
| 10382 | AOCX | ALUMINUM COMPANY OF AMERICA | | | SCAC3 |
| 10383 | AOCY | ADVANTAGE OIL CO | | | SCAC4 |
| 10384 | AOCZ | AMERICAN OIL CO. (BP AMOCO) | | | PWRC |
| 10385 | AOD | Aero Vodochody | Callsign: Aero Czech, | CZ | AVCODES |
| 10386 | AOD | Aero Vodochody | | | ICAO1 |
| 10387 | AOD | AC-COACH OPERATIONS INC | | | SCAC4 |
| 10388 | AODE | A-1 DELIVERY CO | | | SCAC3 |
| 10389 | AODE | A-ONE (A-1) DELIVERY CO | | | SCAC4 |
| 10390 | AODI | ARMSTRONG OIL & DISTRIBUTING INC | | | SCAC4 |
| 10391 | AODL | A-ONE (A-1) DELIVERY CO | | | SCAC4 |
| 10392 | AODM | A-ONE (A-1) DAHILL MOVING & STORAGE | | | SCAC3 |
| 10393 | AODN | A-ONE (A-1) DANIEL MOVING & STORAGE | | | SCAC3 |
| 10394 | AODN | A-ONE (A-1) DANIEL MOVING & STORAGE | | | SCAC4 |
| 10395 | AODQ | A-ONE (A-1) DELIVERY SERVICE | | | SCAC3 |
| 10396 | AODS | A-ONE (A-1) DELIVERY SERVICE | | | SCAC3 |
| 10397 | AODS | ALLISON OIL & DISTRIBUTING | | | SCAC4 |
| 10398 | AODT | ABACOR ROAD CONSTRUCTION INC | | | SCAC3 |
| 10399 | AODV | AUBURN/OPELIKA DELIVERY SERVICE INC | | | SCAC4 |
| 10400 | AODY | A-ONE (A-1) DELIVERY SERVICE INC | | | SCAC3 |
