| 1 | ASF | Austrian Air Force | Callsign: Austrian Airforce, | A | AVCODES |
| 2 | ASF | Air Schefferville, Inc. | IATA: 9V, Callsign: Scheff, Designator 9V recalled by IATA | CDN | AVCODES |
| 3 | ASF | Air Schefferville, Inc. | | | ICAO1 |
| 4 | ASF | AMERICAN STEEL FOUNDRIES | | | PWRC |
| 5 | ASFA | ASHCRAFT, ANNETTE INC | | | SCAC3 |
| 6 | ASFB | AMSTAR SURFACE ENGINEERING | | | SCAC4 |
| 7 | ASFC | ASSOCIATED FREIGHT CONSOLIDATORS IN | | | SCAC3 |
| 8 | ASFC | ALL STATE FASTENER CORP | | | SCAC4 |
| 9 | ASFD | ASSOCIATED FOOD STORES INC | | | SCAC3 |
| 10 | ASFD | ALLIANCE STORE FIXTURES INC | | | SCAC4 |
| 11 | ASFE | ACUTRAN SPECIALTY FREIGHT SYSTEMS | | | SCAC3 |
| 12 | ASFE | ALL STATE FASTENER OF CANADA | | | SCAC4 |
| 13 | ASFER | AS-FER Ferraioli Dutto s.r.l. | | I | TRAFFIC |
| 14 | ASFER | ASFER LOJISTIK SAN: TIC: LTD ŞTI | | TR | VKM |
| 15 | ASFF | AIR-SEA FORWARDERS INC | | | SCAC3 |
| 16 | ASFF | ABERSTAR FAST FREIGHT LTD | | | SCAC4 |
| 17 | ASFH | ATLANTIC SHIPPING COMPANY INC | | | SCAC4 |
| 18 | ASFI | AIR-SURFACE FORWARDERS INCORPORATED | | | SCAC3 |
| 19 | ASFI | ALIMENTS SANI FOODS INC | | | SCAC4 |
| 20 | ASFJ | ASPHALT TRANSPORTER SHIPPING COMPAN | | | SCAC4 |
| 21 | ASFM | A-SAFEWAY MOVING & STORAGE CO INC | | | SCAC3 |
| 22 | ASFN | ATLANTA SPECIALTY FOOD DISTRIBUTORS | | | SCAC3 |
| 23 | ASFR | ASCHE TRANSFER INC | | | SCAC3 |
| 24 | ASFS | ASA FREIGHT SYSTEMS INC | | | SCAC3 |
| 25 | ASFS | ASF INTERMODAL LLC | | | SCAC4 |
| 26 | ASFT | A T S INC | | | SCAC3 |
| 27 | ASFT | ALL STAR FREIGHT TRAFFIC SERVICE IN | | | SCAC4 |
| 28 | ASFV | APRIL SUPER FLO | | | SCAC4 |
| 29 | ASFW | ALL STATE FREIGHTWAYS INC | | | SCAC3 |
| 30 | ASFW | AQUILA THE EAGLE EXPRESS LLC | | | SCAC4 |
| 31 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Jan87) | 1/1994 (not listed) | | NAKINA |
| 32 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Jan81) | 1/1980 | | NAKINA |
| 33 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Apr75) | 1/1975 | | NAKINA |
| 34 | ASFX | American Steel Foundries, Inc. — temporary expiring 1Apr71 | 4/1970; eliminated 10/1972 | | NAKINA |
| 35 | ASFX | American Steel Foundries, Inc. — temporary expiring 1Apr67 | 10/1966 | | NAKINA |
| 36 | ASFX | American Steel Foundries, Inc. — temporary expiring 15Oct65 | 7/1965 | | NAKINA |
| 37 | ASFX | American Steel Foundries, Inc. — temporary expiring 15Oct62 | added 7/1962; 7/1962 | | NAKINA |
| 38 | ASFX | American Steel Foundries — temporary expiring 15Oct61 | 4/1961 | | NAKINA |
| 39 | ASFX | American Steel Foundries — temporary expiring 10Jan58 | 10/1957 | | NAKINA |
| 40 | ASFX | American Steel Foundries — temporary expiring 10Dec54 | 7/1954 | | NAKINA |
| 41 | ASFX | American Steel Foundries — temporary expiring 31Dec52 | 1/1952 | | NAKINA |
| 42 | ASFX | American Steel Foundries — temporary expiring 31Dec50 | 1/1950 | | NAKINA |
| 43 | ASFX | American Steel Foundries — temporary expiring 31Dec47 | 4/1947 | | NAKINA |
| 44 | ASFX | American Steel Foundries — temporary expiring 31Dec46 | 1/1946 | | NAKINA |
| 45 | ASFX | American Steel Foundries — temporary expiring 31Dec45 | 1/1945 | | NAKINA |
| 46 | ASFX | American Steel Foundries — temporary expiring 31Dec43 | 1/1943 | | NAKINA |
| 47 | ASFX | American Steel Foundries — temporary expiring 31Dec41 | 1/1941 | | NAKINA |
| 48 | ASFX | American Steel Foundries -- temporary expiring 31Dec52 | Jan-52 | | NRHS |
| 49 | ASFX | American Steel Foundries -- temporary expiring 10Jan58 | Oct-57 | | NRHS |
| 50 | ASFX | American Steel Foundries -- temporary expiring 15Oct61 | Apr-61 | | NRHS |
| 51 | ASFX | American Steel Foundries, Inc. | 7/65-10/66 | | NRHS |
| 52 | ASFX | American Steel Foundries, Inc. -- temporary expiring 1Apr71 | 4/70; eliminated 10/72 | | NRHS |
| 53 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Apr75) | Jan-75 | | NRHS |
| 54 | ASFX | American Steel Foundries, Inc. (Marks temporarily assigned for other than tank cars; marks expire 1Jan81) | Jan-80 | | NRHS |
| 55 | ASFX | ASF-KEYSTONE, INC. (AMERICAN STEEL FOUNDRIES) | | | PWRC |
| 56 | ASFX | American Steel Foundries | | | RSRV |
| 57 | ASFX | AMERICAN STEEL FOUNDRIES INC | | | SCAC3 |
| 58 | ASFX | ASF-KEYSTONE INC | | | SCAC4 |
| 59 | ASFY | ADVANCED LOGISTICS | | | SCAC4 |
