| 1 | AMO | Air Montreal (Air Holdings Inc.) | IATA: F8, Callsign: Air Montreal, | CDN | AVCODES |
| 2 | AMO | Angel Martinez Ridao (SAETA) | | E | AVCODES |
| 3 | AMO | Air Montreal (Air Holdings Inc.) | | | ICAO1 |
| 4 | AMO | ArcelorMittal Ostrava a.s. | | CZ | VKM |
| 5 | AMOA | AMERICAN MODAL SYSTEMS INC | | | SCAC3 |
| 6 | AMOB | ALAMO BARGE LINES | | | SCAC3 |
| 7 | AMOB | ALAMO BARGE LINES | | | SCAC4 |
| 8 | AMOC | AMOCO PIPELINE COMPANY | | | SCAC3 |
| 9 | AMOC | AMOCO PIPELINE COMPANY | | | SCAC4 |
| 10 | AMOD | ALL MODAL TRUCKING INC | | | SCAC3 |
| 11 | AMOF | ALAMO FORWARDERS | | | SCAC3 |
| 12 | AMOG | AAA MOVING & STORAGE COMPANY INC | | | SCAC3 |
| 13 | AMOG | ARMSTRONG RELOCATION | | | SCAC4 |
| 14 | AMOH | A-ONE (A-1) MOBILE HOME TRANSPORTIN | | | SCAC3 |
| 15 | AMOI | ACE MOVING & STORAGE CO INC | | | SCAC3 |
| 16 | AMOJ | AMERICAN MOVERS | | | SCAC3 |
| 17 | AMOK | AALCI MOVING SYSTEMS INC | | | SCAC3 |
| 18 | AMOK | ALTEMOSE TRUCKING | | | SCAC4 |
| 19 | AMOL | AMOCO OIL COMPANY | | | SCAC3 |
| 20 | AMOL | AMOLITOS TRANSPORT | | | SCAC4 |
| 21 | AMOM | AMATO MOTORS INC | | | SCAC3 |
| 22 | AMON | ALIMENOS NAVIGATIONLIMITED | | | SCAC3 |
| 23 | AMON | ALIMENOS NAVIGATION LIMITED | | | SCAC4 |
| 24 | AMOO | ADVANCE MOVING OF CLINTON NEW YORK | | | SCAC3 |
| 25 | AMOP | AMERICAN OIL PIPE LINE COMPANY | | | SCAC3 |
| 26 | AMOQ | AMSCO-D-SYSTEMS INC | | | SCAC3 |
| 27 | AMOQ | ALL TEMP TRANPSORT INC | | | SCAC4 |
| 28 | AMORT | ATLAS Mortag Baumaschinen & Fahrzeugtechnik | | DE | VKM |
| 29 | AMOS | ACME MOVERS & STORAGE CO INC | | | SCAC4 |
| 30 | AMOT | ARMOUR TRANSPORT INC | | | SCAC4 |
| 31 | AMOU | AMOMATIC OY | | FIN | BIC |
| 32 | AMOV | ALL-STATES MOVING AND STORAGE COMPA | | | SCAC3 |
| 33 | AMOW | AMO POLLUTION SERVICE INC | | | SCAC3 |
| 34 | AMOX | Union Tank Car Co. | added 10/2003; 7/2005 | | NAKINA |
| 35 | AMOX | BP Products North America Inc. | added 1/2003; eliminated 10/2003 | | NAKINA |
| 36 | AMOX | Amoco Oil Co. | added 1/1973; 1/1975-7/2000; eliminated 1/2003 | | NAKINA |
| 37 | AMOX | American Oil Co. | added 10/1954; 10/1957-4/1970; eliminated 1/1973 | | NAKINA |
| 38 | AMOX | American Oil Co. | 7/1930-4/1938 | | NAKINA |
| 39 | AMOX | Alamo Tank Car Co. | 1/1952; eliminated 1/1954 | | NAKINA |
| 40 | AMOX | Mexican Petroleum Corp. | 4/1938 | | NAKINA |
| 41 | AMOX | American Oil Co. | 7/1937 | | NAKINA |
| 42 | AMOX | American Oil Co. (cars No. 100 to 314) | 7/1936 | | NAKINA |
| 43 | AMOX | American Oil Co. | 8/1920-7/1935 | | NAKINA |
| 44 | AMOX | Mexican Petroleum Corp. | Apr-38 | | NRHS |
| 45 | AMOX | American Oil Co. | Apr-38 | | NRHS |
| 46 | AMOX | Alamo Tank Car Co. | Jan-52 | | NRHS |
| 47 | AMOX | American Oil Co. | 10/57-4/70 | | NRHS |
| 48 | AMOX | Amoco Oil Co. | 1/75-7/2000 | | NRHS |
| 49 | AMOX | *AMOCO OIL COMPANY (BP NORTH AMERICA)[AMERICAN OIL CO.] | | | PWRC |
| 50 | AMOX | *MEXICAN PETROLEUM CORP. | | | PWRC |
| 51 | AMOX | *ALAMO TANK CAR CO. | | | PWRC |
| 52 | AMOX | +UNION TANK CAR CO. | | | PWRC |
| 53 | AMOX | Amoco Oil (BP Products North America) | | | RSRV |
| 54 | AMOX | AMERICAN OIL CO THE | | | SCAC3 |
| 55 | AMOX | UNION TANK CAR COMPANY | | | SCAC4 |
| 56 | AMOY | AMON INC | | | SCAC3 |
| 57 | AMOY | AMOY INTERNATIONAL LLC | | | SCAC4 |
| 58 | AMOZ | AMOCO OIL COMPANY (BP NORTH AMERICA)[AMERICAN OIL CO.] | | | PWRC |
| 59 | AMOZ | American Oil | | | RSRV |
