| 1 | ASR | All Star Airlines, Inc. | Callsign: All Star, | USA | AVCODES |
| 2 | ASR | Aero Sotravia S.a.r.l. | Callsign: Sotravia, | F | AVCODES |
| 3 | ASR | All Star Airlines, Inc. | | | ICAO1 |
| 4 | ASR | Allegheny Southern R.R., Inc. | 7/2000-7/2005 | | NAKINA |
| 5 | ASR | Allegheny Southern R.R., Inc. | Jul-00 | | NRHS |
| 6 | ASR | *ADIRONDACK SCENIC RAILROAD | | | PWRC |
| 7 | ASR | *AMERICAN SMELTING & REFINING | | | PWRC |
| 8 | ASR | +ALLEGHENY SOUTHERN RAILROAD | | | PWRC |
| 9 | ASR | Allegheny Southern Railroad | | | RSRV |
| 10 | ASR | ALLEGHENY SOUTHERN RAILROAD INC | | | SCAC4 |
| 11 | ASRA | ASR SERVICES | | | SCAC4 |
| 12 | ASRB | ALLIED SHIPPERS AND RECEIVERS ASSOC | | | SCAC3 |
| 13 | ASRB | ADAMS TRUCKING INC | | | SCAC4 |
| 14 | ASRC | ASRCA TRANSPORT INC | | | SCAC3 |
| 15 | ASRD | ANT SEARIDERS LIMITED | | | SCAC3 |
| 16 | ASRE | AIR STAR EXPRESS TRUCKING | | | SCAC4 |
| 17 | ASRF | ASTRON FORWARDING COMPANY | | | SCAC3 |
| 18 | ASRF | ALL SERVICES 2005 | | | SCAC4 |
| 19 | ASRG | ASHBY, RONALD | | | SCAC3 |
| 20 | ASRH | ASSOCIATED RIGGING & HAULING CORP | | | SCAC3 |
| 21 | ASRH | AUTOTRANSPORTES 3 HERMANOS | | | SCAC4 |
| 22 | ASRI | ARMITAGE MOTOR SERVICE | | | SCAC3 |
| 23 | ASRI | ADVANCED STEEL RECOVERY INC | | | SCAC4 |
| 24 | ASRJ | ASHRON TRANSPORT INC | | | SCAC4 |
| 25 | ASRK | ASTRO TRUCKING | | | SCAC3 |
| 26 | ASRK | ALLSTAR TRUCKING INC | | | SCAC4 |
| 27 | ASRM | ASTORIA READY-MIX INC | | | SCAC3 |
| 28 | ASRM | AUSTRAL SHIPPING LIMITED | | | SCAC4 |
| 29 | ASRN | A & S TRANSPORT INC | | | SCAC3 |
| 30 | ASRN | ADENA SPRINGS | | | SCAC4 |
| 31 | ASRO | AUTOTRANSPORTES SANTA ROSA S A DE C | | | SCAC4 |
| 32 | ASRQ | ALL SERVICES HEAVY TRANSPORT | | | SCAC3 |
| 33 | ASRR | AUGUSTA & SUMMERVILLE RAILROAD CO. | | | PWRC |
| 34 | ASRR | ALL STAR MOVERS | | | SCAC3 |
| 35 | ASRR | Adirondack Scenic Railroad | Real: ASR | USA | TRAFFIC |
| 36 | ASRS | ASMUSSEN RACING STABLES | | | SCAC3 |
| 37 | ASRT | ALL STAR FREIGHT | | | SCAC3 |
| 38 | ASRT | ALL SERVICE TRANSPORT | | | SCAC4 |
| 39 | ASRU | ARMED FORCES OF THE SLOVAK REPUBLIC | | SK | BIC |
| 40 | ASRU | ARAMCO SERVICES CO. | | | SCAC3 |
| 41 | ASRU | GENERALNY STAB ARMADY | | | SCAC4 |
| 42 | ASRW | Allegheny Southern Ry. | added 1/1983; eliminated 1/1985 | | NAKINA |
| 43 | ASRW | Allegheny Southern Ry. | added 1/83; eliminated 1/85 | | NRHS |
| 44 | ASRW | ALLEGHENY SOUTHERN RAILWAY | | | PWRC |
| 45 | ASRW | Allegheny Southern Railway | | | RSRV |
| 46 | ASRX | Domino Sugar Corp. | added 10/1992; 1/1994-7/2005 | | NAKINA |
| 47 | ASRX | Amstar Sugar Co. | added 4/1989; eliminated 10/1992 | | NAKINA |
| 48 | ASRX | Amstar Corp. | added 1/1971; 1/1975-1/1980; eliminated 4/1989 | | NAKINA |
| 49 | ASRX | American Sugar Co. | added 10/1963; 7/1965-4/1970; eliminated 1/1971 | | NAKINA |
| 50 | ASRX | American Sugar Refining Co. | 8/1920-4/1961; eliminated 10/1963 | | NAKINA |
| 51 | ASRX | American Sugar Refining Co. | 4/38-4/61 | | NRHS |
| 52 | ASRX | American Sugar Co. | 7/65-4/70 | | NRHS |
| 53 | ASRX | Amstar Corp. | 1/75-1/80; eliminated 4/89 | | NRHS |
| 54 | ASRX | Amstar Sugar Co. | added 4/89; eliminated 10/92 | | NRHS |
| 55 | ASRX | Domino Sugar Corp. | added 10/92; 1/94-7/2000 | | NRHS |
| 56 | ASRX | *ARKANSAS SHORTLINE RAILROAD | | | PWRC |
| 57 | ASRX | +DOMINO SUGAR CORP. [AMERICAN SUGAR REFINING CO.; AMSTAR CORP.] | | | PWRC |
| 58 | ASRX | Amstar Corporation (Domino Sugar) | | | RSRV |
| 59 | ASRX | AMERICAN SUGAR CO | | | SCAC3 |
| 60 | ASRX | DOMINO SUGAR COMPANY | | | SCAC4 |
| 61 | ASRY | Ashland Ry., Inc. | added 7/1986; eliminated 10/1987; eliminated 1/1992; added 1/1994; 7/2000-7/2005 | | NAKINA |
| 62 | ASRY | Ashland Ry., Inc. | added 7/86; eliminated 10/87; eliminated 1/92; added 1/94; 7/2000 | | NRHS |
| 63 | ASRY | ASHLAND RAILWAY, INC. (OHIO) | | | PWRC |
| 64 | ASRY | Ashland Railway | | | RSRV |
| 65 | ASRY | ASHLAND RAILWAY CO | | | SCAC3 |
| 66 | ASRZ | AGRI/SHARE COOPERATIVE | | | PWRC |
| 67 | ASRZ | Agri/Share Cooperative | | | RSRV |
| 68 | ASRZ | AGRI/SHARE COOPERATIVE | | | SCAC4 |
