| 13201 | ASE | Servicios de Aviacion Asertec, S.A. de C.V. | Callsign: Asertec, | MEX | AVCODES |
| 13202 | ASE | Airstars | IATA: PL | | ICAO1 |
| 13203 | ASEA | ALL SEASONS TRANSPORT | | | SCAC3 |
| 13204 | ASEA | Asea Brown Boweri | | S | TRAFFIC |
| 13205 | ASEB | ATLANTIC STATES LUBRICANTS CORP | | | SCAC4 |
| 13206 | ASEC | ALLSTATE COURIER SERVICE INC | | | SCAC3 |
| 13207 | ASED | ALTERED STATES DIVISION | | | SCAC3 |
| 13208 | ASED | AMERICAN SEED CO INC | | | SCAC4 |
| 13209 | ASEE | ALLSTATES EXPRESS INC | | | SCAC3 |
| 13210 | ASEF | A.S.E. TRANSFER CO | | | SCAC3 |
| 13211 | ASEF | A S E TRANSFER CO INC | | | SCAC4 |
| 13212 | ASEG | ASHPOLE, C EUGENE | | | SCAC3 |
| 13213 | ASEH | ALL STATES TRAFFIC INC | | | SCAC3 |
| 13214 | ASEI | ASCO ENTERPRISES INC | | | SCAC3 |
| 13215 | ASEI | ALL SAINTS EXPRESS INC | | | SCAC4 |
| 13216 | ASEK | AIRTRUK/SEATRUK INC | | | SCAC4 |
| 13217 | ASEM | ARMSTRONG MOVING & STORAGE INC | | | SCAC4 |
| 13218 | ASEN | ATLANTIC SEALANES CORP. | | | SCAC3 |
| 13219 | ASEOL | Shell Aseol AG | | CH | VKM |
| 13220 | ASEP | ART SOLUTION SERVICES | | | SCAC4 |
| 13221 | ASEQ | ALL-SEASON ENTERPRISES INC | | | SCAC3 |
| 13222 | ASEQ | ALLISTON MACHINERY SALES CORP | | | SCAC4 |
| 13223 | ASER | ASAP EXPRESS | | | SCAC4 |
| 13224 | ASERD | A.S. - Erbau | | DE | VKM |
| 13225 | ASES | A S A P TRANSPORTATION | | | SCAC3 |
| 13226 | ASES | ANANGEL SHIPPING ENTERPRISES SA | | | SCAC4 |
| 13227 | ASET | ASBESTOS-EASTERN TRANSPORT INC | | | SCAC3 |
| 13228 | ASEU | AMERICAN SEAWAY CARRIERS INC | | | SCAC3 |
| 13229 | ASEW | ALL STATES TRUCKING INC | | | SCAC3 |
| 13230 | ASEW | AIR SURFACE EXPRESS LLC | | | SCAC4 |
| 13231 | ASEX | Armour Stock Express (General American Transportation Corp.) | 10/1966 | | NAKINA |
| 13232 | ASEX | Armour Car Lines | eliminated 10/1958 | | NAKINA |
| 13233 | ASEX | General American Transportation Corp. | 10/1957; added 10/1958; 4/1961-7/1965; eliminated 1/1970 | | NAKINA |
| 13234 | ASEX | General American Transportation Corp. | 7/1937-7/1954 | | NAKINA |
| 13235 | ASEX | Armour Stock Express (Armour Car Lines) | 7/1932-7/1935 | | NAKINA |
| 13236 | ASEX | Armour Stock Express (Armour Car Lines) | Apr-38 | | NRHS |
| 13237 | ASEX | General American Transportation Corp. | Jan-52 | | NRHS |
| 13238 | ASEX | Armour Car Lines | eliminated 10/58 | | NRHS |
| 13239 | ASEX | General American Transportation Corp. | 10/57; added 10/58; 4/61-7/65; eliminated 1/70 | | NRHS |
| 13240 | ASEX | Armour Stock Express (General American Transportation Corp.) | Oct-66 | | NRHS |
| 13241 | ASEX | ARMOUR STOCK EXPRESS (ACL)(GENERAL AMERICAN TRANSPORTATION) | | | PWRC |
| 13242 | ASEY | AEROSPEED TUNGYA INC | | | SCAC4 |
| 13243 | ASF | Austrian Air Force | Callsign: Austrian Airforce, | A | AVCODES |
| 13244 | ASF | Air Schefferville, Inc. | IATA: 9V, Callsign: Scheff, Designator 9V recalled by IATA | CDN | AVCODES |
| 13245 | ASF | Air Schefferville, Inc. | | | ICAO1 |
| 13246 | ASF | AMERICAN STEEL FOUNDRIES | | | PWRC |
| 13247 | ASFA | ASHCRAFT, ANNETTE INC | | | SCAC3 |
| 13248 | ASFB | AMSTAR SURFACE ENGINEERING | | | SCAC4 |
| 13249 | ASFC | ASSOCIATED FREIGHT CONSOLIDATORS IN | | | SCAC3 |
| 13250 | ASFC | ALL STATE FASTENER CORP | | | SCAC4 |
| 13251 | ASFD | ASSOCIATED FOOD STORES INC | | | SCAC3 |
| 13252 | ASFD | ALLIANCE STORE FIXTURES INC | | | SCAC4 |
| 13253 | ASFE | ACUTRAN SPECIALTY FREIGHT SYSTEMS | | | SCAC3 |
| 13254 | ASFE | ALL STATE FASTENER OF CANADA | | | SCAC4 |
| 13255 | ASFER | AS-FER Ferraioli Dutto s.r.l. | | I | TRAFFIC |
| 13256 | ASFER | ASFER LOJISTIK SAN: TIC: LTD ŞTI | | TR | VKM |
| 13257 | ASFF | AIR-SEA FORWARDERS INC | | | SCAC3 |
| 13258 | ASFF | ABERSTAR FAST FREIGHT LTD | | | SCAC4 |
| 13259 | ASFH | ATLANTIC SHIPPING COMPANY INC | | | SCAC4 |
| 13260 | ASFI | AIR-SURFACE FORWARDERS INCORPORATED | | | SCAC3 |
| 13261 | ASFI | ALIMENTS SANI FOODS INC | | | SCAC4 |
| 13262 | ASFJ | ASPHALT TRANSPORTER SHIPPING COMPAN | | | SCAC4 |
| 13263 | ASFM | A-SAFEWAY MOVING & STORAGE CO INC | | | SCAC3 |
| 13264 | ASFN | ATLANTA SPECIALTY FOOD DISTRIBUTORS | | | SCAC3 |
| 13265 | ASFR | ASCHE TRANSFER INC | | | SCAC3 |
| 13266 | ASFS | ASA FREIGHT SYSTEMS INC | | | SCAC3 |
| 13267 | ASFS | ASF INTERMODAL LLC | | | SCAC4 |
| 13268 | ASFT | A T S INC | | | SCAC3 |
| 13269 | ASFT | ALL STAR FREIGHT TRAFFIC SERVICE IN | | | SCAC4 |
| 13270 | ASFV | APRIL SUPER FLO | | | SCAC4 |
| 13271 | ASFW | ALL STATE FREIGHTWAYS INC | | | SCAC3 |
| 13272 | ASFW | AQUILA THE EAGLE EXPRESS LLC | | | SCAC4 |
| 13273 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Jan87) | 1/1994 (not listed) | | NAKINA |
| 13274 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Jan81) | 1/1980 | | NAKINA |
| 13275 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Apr75) | 1/1975 | | NAKINA |
| 13276 | ASFX | American Steel Foundries, Inc. — temporary expiring 1Apr71 | 4/1970; eliminated 10/1972 | | NAKINA |
| 13277 | ASFX | American Steel Foundries, Inc. — temporary expiring 1Apr67 | 10/1966 | | NAKINA |
| 13278 | ASFX | American Steel Foundries, Inc. — temporary expiring 15Oct65 | 7/1965 | | NAKINA |
| 13279 | ASFX | American Steel Foundries, Inc. — temporary expiring 15Oct62 | added 7/1962; 7/1962 | | NAKINA |
| 13280 | ASFX | American Steel Foundries — temporary expiring 15Oct61 | 4/1961 | | NAKINA |
| 13281 | ASFX | American Steel Foundries — temporary expiring 10Jan58 | 10/1957 | | NAKINA |
| 13282 | ASFX | American Steel Foundries — temporary expiring 10Dec54 | 7/1954 | | NAKINA |
| 13283 | ASFX | American Steel Foundries — temporary expiring 31Dec52 | 1/1952 | | NAKINA |
| 13284 | ASFX | American Steel Foundries — temporary expiring 31Dec50 | 1/1950 | | NAKINA |
| 13285 | ASFX | American Steel Foundries — temporary expiring 31Dec47 | 4/1947 | | NAKINA |
| 13286 | ASFX | American Steel Foundries — temporary expiring 31Dec46 | 1/1946 | | NAKINA |
| 13287 | ASFX | American Steel Foundries — temporary expiring 31Dec45 | 1/1945 | | NAKINA |
| 13288 | ASFX | American Steel Foundries — temporary expiring 31Dec43 | 1/1943 | | NAKINA |
| 13289 | ASFX | American Steel Foundries — temporary expiring 31Dec41 | 1/1941 | | NAKINA |
| 13290 | ASFX | American Steel Foundries -- temporary expiring 31Dec52 | Jan-52 | | NRHS |
| 13291 | ASFX | American Steel Foundries -- temporary expiring 10Jan58 | Oct-57 | | NRHS |
| 13292 | ASFX | American Steel Foundries -- temporary expiring 15Oct61 | Apr-61 | | NRHS |
| 13293 | ASFX | American Steel Foundries, Inc. | 7/65-10/66 | | NRHS |
| 13294 | ASFX | American Steel Foundries, Inc. -- temporary expiring 1Apr71 | 4/70; eliminated 10/72 | | NRHS |
| 13295 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Apr75) | Jan-75 | | NRHS |
| 13296 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Jan81) | Jan-80 | | NRHS |
| 13297 | ASFX | ASF-KEYSTONE, INC. (AMERICAN STEEL FOUNDRIES) | | | PWRC |
| 13298 | ASFX | American Steel Foundries | | | RSRV |
| 13299 | ASFX | AMERICAN STEEL FOUNDRIES INC | | | SCAC3 |
| 13300 | ASFX | ASF-KEYSTONE INC | | | SCAC4 |
