| 1 | ALQ | Altair Aviation (1986) Ltd. | Callsign: Altair, | CDN | AVCODES |
| 2 | ALQ | Alanna Limited Trust Distribution | Callsign: Alanna, | UA | AVCODES |
| 3 | ALQ | Altair Aviation (1986) | | | ICAO1 |
| 4 | ALQA | ALERT AUTO TRANSPORT INC | | | SCAC3 |
| 5 | ALQB | ALBANY MARINE INC. | | | SCAC3 |
| 6 | ALQD | ALMAC DELIVERY SERVICE | | | SCAC3 |
| 7 | ALQD | ANGELIC LUXURY COACH INC | | | SCAC4 |
| 8 | ALQF | ALL STATES FREIGHT SYSTEMS, INC | | | SCAC3 |
| 9 | ALQF | ALL STATES FREIGHT SYSTEMS INC | | | SCAC4 |
| 10 | ALQG | ALLIANCE SHIPPING GROUP | | | SCAC3 |
| 11 | ALQG | ALLIANCE SHIPPING GROUP | | | SCAC4 |
| 12 | ALQH | ALDO SHIPPING COMPANY, LTD. | | | SCAC3 |
| 13 | ALQI | ALPHA TRANSPORT INC | | | SCAC3 |
| 14 | ALQI | ALPHA TRANSPORT INC | | | SCAC4 |
| 15 | ALQJ | ANDERSON LOGISTICS SOLUTIONS INC | | | SCAC4 |
| 16 | ALQK | ATLAS TRUCKING COMPANY LLC | | | SCAC4 |
| 17 | ALQL | ATLANTIS LINE LTD | | | SCAC3 |
| 18 | ALQM | ALL-AMERICAN MOVING | | | SCAC3 |
| 19 | ALQN | ACCESS GLOBAL LOGISTICS & TRANSPORT | | | SCAC4 |
| 20 | ALQO | ALLENS TRANSPORT LTD | | | SCAC4 |
| 21 | ALQP | ALLIANCE TRANSPORT INC | | | SCAC3 |
| 22 | ALQP | ALLIANCE TRANSPORT INC | | | SCAC4 |
| 23 | ALQQ | A & L TRANSPORT LLC | | | SCAC4 |
| 24 | ALQR | ALMAR TRUCKING | | | SCAC3 |
| 25 | ALQS | Aliquippa and Southern R.R. Co. | 1/1975-7/2000; eliminated 7/2002; 7/2005 | | NAKINA |
| 26 | ALQS | Aliquippa and Southern R.R. Co. | 1/75-7/2000 | | NRHS |
| 27 | ALQS | ALIQUIPPA & SOUTHERN RAILROAD [LTV STEEL] | | | PWRC |
| 28 | ALQS | Aliquippa and Southern Railroad | | | RSRV |
| 29 | ALQS | ALIQUIPPA & SOUTHERN RAILROAD COMPA | | | SCAC3 |
| 30 | ALQT | ALT SHIPPING LTD. | | | SCAC3 |
| 31 | ALQT | AL TRANSPORT | | | SCAC4 |
| 32 | ALQV | AMBIANCE LIMOUSINE SERVICE INC | | | SCAC3 |
| 33 | ALQW | AIR LIQUIDE AMERICA SPECIALTY GASES | | | SCAC4 |
| 34 | ALQY | ALLEN TRANSPORTATION SYSTEM INC | | | SCAC3 |
| 35 | ALQY | ALL QUALITY TRANSPORTATION LLC | | | SCAC4 |
