| 13301 | ASFY | ADVANCED LOGISTICS | | | SCAC4 |
| 13302 | ASG | African Star Airways (PTY) Ltd. | IATA: 4M, Callsign: African Star, | ZA | AVCODES |
| 13303 | ASG | Air Sarnia Ltd. | IATA: SG, Callsign: Air Sarnia, | GB | AVCODES |
| 13304 | ASG | Ukraine Airservice Airlines | IATA: C5, IATA designator changed to 9G* | UA | AVCODES |
| 13305 | ASG | Ukraine Airservice Airlines | IATA: 9G, IATA designator changed from C5* | UA | AVCODES |
| 13306 | ASG | All Seasons Aviation Limited | IATA: JC, Callsign: All Seasons, | GB | AVCODES |
| 13307 | ASG | Air Speed Charter (Pvt) Ltd | | PK | AVCODES |
| 13308 | ASG | African Star Airways (PTY) Ltd. | | | ICAO1 |
| 13309 | ASGA | ASGA TRANSPORTATION CO | | | SCAC3 |
| 13310 | ASGA | AGUIRRE SANCHEZ, GUSTAVO | | | SCAC4 |
| 13311 | ASGB | ASSOCIATED SPRING BARNS GROUP INC | | | SCAC3 |
| 13312 | ASGB | ALPHA LOGISTICS SYSTEMS | | | SCAC4 |
| 13313 | ASGC | ALS SAUSAGE INC | | | SCAC3 |
| 13314 | ASGD | ALL SAINTS CARGO LOGISTICS | | | SCAC4 |
| 13315 | ASGE | ATLANTIS SHIPPING ENTERPRISES INC, | | | SCAC3 |
| 13316 | ASGF | ASG FORWARDING INC | | | SCAC3 |
| 13317 | ASGG | ANTLER SHIPPING CO LTD PIRAEUS GREE | | | SCAC3 |
| 13318 | ASGG | AMERICAN MOTOR FUELS INC | | | SCAC4 |
| 13319 | ASGH | ARMSTRONG RELOCATION COMPANY HUNTSV | | | SCAC4 |
| 13320 | ASGI | AMERICAN STAGE TOURS INC | | | SCAC3 |
| 13321 | ASGI | AMERICAN STAGE TOURS LLC | | | SCAC4 |
| 13322 | ASGJ | ASCHENBRENNER, GARY J TRUCKING INC | | | SCAC4 |
| 13323 | ASGL | ALLSTATES CHARTER LINES | | | SCAC3 |
| 13324 | ASGM | ASCONA SHIPPING CORPORATION | | | SCAC3 |
| 13325 | ASGN | ARIES GLOBAL LOGISTICS INC | | | SCAC4 |
| 13326 | ASGP | APOLLO SHIPPING PROPERTIES S A | | | SCAC3 |
| 13327 | ASGQ | ASCO TRUCKING CO | | | SCAC3 |
| 13328 | ASGS | AGLAND INDUSTRIES INC | | | SCAC4 |
| 13329 | ASGT | ASI GROUP LTD | | | SCAC4 |
| 13330 | ASGU | ASG AB BULK DEPARTMENT | | | SCAC3 |
| 13331 | ASGU | NORDIC BULKERS AB | | | SCAC4 |
| 13332 | ASGV | AETHALIA SHIPPING CORP | | | SCAC3 |
| 13333 | ASGW | ASSOCIATED SAND & GRAVEL | | | SCAC3 |
| 13334 | ASGW | ALL STAR LOGISTICS LLC | | | SCAC4 |
| 13335 | ASGX | Ash Grove Cement Co. | 7/2000-7/2005 (not listed) | | NAKINA |
| 13336 | ASGX | Atlantic States Gas Co., Inc. | 7/1937 (not listed) | | NAKINA |
| 13337 | ASGX | Ash Grove Cement Co. | Jul-00 | | NRHS |
| 13338 | ASGX | *ATLANTIC STATES GAS CO. | | | PWRC |
| 13339 | ASGX | +ASH GROVE CEMENT CO. [ANCHORAGE SAND & GRAVEL CO.] | | | PWRC |
| 13340 | ASGX | Ash Grove Cement | | | RSRV |
| 13341 | ASH | Mesa Airlines, Inc. | IATA: YV, Callsign: Air Shuttle, IATA Prefix: 533, Designator YV reintated by IATA | USA | AVCODES |
| 13342 | ASH | Mesa Airlines | IATA: YV | | ICAO1 |
| 13343 | ASH | Mesa Airlines | | USA | TRAFFIC |
| 13344 | ASHB | ASHBY TRANSPORTATION INC | | | SCAC4 |
| 13345 | ASHC | ASHCOAL LTD INC | | | SCAC3 |
| 13346 | ASHC | ASHCO TRANSPORTATION INC | | | SCAC4 |
| 13347 | ASHD | ALONISSOS SHIPPING CORP | | | SCAC3 |
| 13348 | ASHE | ASHLINES EXPRESS INC | | | SCAC3 |
| 13349 | ASHF | ALLINACE SHIPPERS INC | | | SCAC3 |
| 13350 | ASHG | ASHLEY INC | | | SCAC3 |
| 13351 | ASHH | ASHER, JOHN J TRUCKING | | | SCAC4 |
| 13352 | ASHI | AA SUNSHINE MOVERS INC | | | SCAC3 |
| 13353 | ASHI | ANDRIAKI SHIPPING CO LTD | | | SCAC4 |
| 13354 | ASHJ | ASH, JAMES WINFORD | | | SCAC3 |
| 13355 | ASHK | ASHAWK TRANSPORT INC | | | SCAC3 |
| 13356 | ASHK | A S T & LOGISTICS INC | | | SCAC4 |
| 13357 | ASHL | ASHLAND TRANSFER INC | | | SCAC3 |
| 13358 | ASHL | ASHLAND TRANSPORT (PALMERSTON) INC | | | SCAC4 |
| 13359 | ASHL | Ashford Luxury Coaches | | GB | TRAFFIC |
| 13360 | ASHLCT | Ashton-under-Lyne Corporation Passenger Transport | | GB | TRAFFIC |
| 13361 | ASHN | A & S HAULING | | | SCAC4 |
| 13362 | ASHO | ASHLAND PIPE LINE COMPANY | | | SCAC3 |
| 13363 | ASHO | ASCHEMAN OIL INC | | | SCAC4 |
| 13364 | ASHP | ASARINA SHIPPING LIMITED | | | SCAC3 |
| 13365 | ASHQ | ASHWOOD EARL AND SONS | | | SCAC3 |
| 13366 | ASHS | ASHEVILLE TRANSFER & STORAGE INC | | | SCAC3 |
| 13367 | ASHU | MARITAINER FRANCE SA | | | PWRC |
| 13368 | ASHU | Maritainer France | | | RSRV |
| 13369 | ASHV | ASH HAULERS INC | | | SCAC3 |
| 13370 | ASHW | ANGELOS SUPPLIES INC | | | SCAC4 |
| 13371 | ASHX | Solvay Chemicals, Inc. | added 7/2005; 7/2005 | | NAKINA |
| 13372 | ASHX | American Soda, L.L.P. | added 1/2001; eliminated 7/2005 | | NAKINA |
| 13373 | ASHX | General American Transportation Corp. | added 1/1968; 4/1970-1/1980; eliminated 1/1988; 1/1994 (not listed) | | NAKINA |
| 13374 | ASHX | General American Transportation Corp. | added 1/68; 4/70-1/80; eliminated 1/88; 1/94 | | NRHS |
| 13375 | ASHX | American Soda, L.L.P. | added 1/2001 | | NRHS |
| 13376 | ASHX | *GENERAL AMERICAN TRANSPORTATION (ASHLAND OIL CO., LESSEE) | | | PWRC |
| 13377 | ASHX | *AMERICAN SODA LLP | | | PWRC |
| 13378 | ASHX | +SOLVAY CHEMICALS | | | PWRC |
| 13379 | ASHX | American Soda | | | RSRV |
| 13380 | ASHX | SOLVAY CHEMICALS INC | | | SCAC4 |
| 13381 | ASHY | ASHLEY TOWING | | | SCAC4 |
| 13382 | ASI | Aerosun International, Inc. | Callsign: Aerosun, Name changed to Aeroguard Flight Training Center. Designator UR recalled by IATA | USA | AVCODES |
| 13383 | ASI | Aerosun International, Inc. | IATA: UR, Callsign: Aerosun, Designator UR recalled by IATA. Name changed from Red Carpet Airlines in September 1981. | USA | AVCODES |
| 13384 | ASI | AeroGuard Flight Training Center | Callsign: Aerosun, Name changed from Aerosun International, Inc.. Designator UR recalled by IATA | USA | AVCODES |
| 13385 | ASI | Aerosun International, Inc. | | | ICAO1 |
| 13386 | ASIA | ASH INC | | | SCAC3 |
| 13387 | ASIA | ASK INC | | | SCAC4 |
| 13388 | ASIB | ASIA MARINE LIMITED | | | SCAC3 |
| 13389 | ASIB | AIM SOUTH LOGISTICS | | | SCAC4 |
| 13390 | ASIE | ATS INTERMODAL LLC | | | SCAC4 |
| 13391 | ASIF | ASSOCIATED FROWARDING INC | | | SCAC3 |
| 13392 | ASIF | ASSOCIATED FROWARDING INC | | | SCAC4 |
| 13393 | ASIG | AUTOLINEAS SIGIFREDO GARCIA PALACIO | | | SCAC4 |
| 13394 | ASIH | AGREMOTE SYSTEMS INC | | | SCAC4 |
| 13395 | ASII | ASI-SERVICES INC | | | SCAC3 |
| 13396 | ASIK | ASIK Sp. z o.o. | | PL | TRAFFIC |
| 13397 | ASIL | ASCENSION TOURS | | | SCAC3 |
| 13398 | ASIL | AMERICAN SILESTONE & GRANITE INC | | | SCAC4 |
| 13399 | ASIM | ASSOCIATED IRON & METAL CO | | | SCAC3 |
| 13400 | ASIM | ATS LOGISTICS INC | | | SCAC4 |
