| 1601 | ABSX | +ALBERT BROS., INC. | | | PWRC |
| 1602 | ABSX | American Beet Sugar (Albert Brothers Inc) | | | RSRV |
| 1603 | ABSX | ALBERT BROS INC | | | SCAC4 |
| 1604 | ABT | Air Brousse, Inc | Callsign: Air Brousse, | CDN | AVCODES |
| 1605 | ABT | Alexandair, Inc. | | CDN | AVCODES |
| 1606 | ABT | Ambeo PLC | Callsign: Ambition, Ceased operations. | GB | AVCODES |
| 1607 | ABT | Air Taxi Benin | Callsign: Benways, Name changed to Benin Airlines. | DY | AVCODES |
| 1608 | ABT | Benin Airlines | Callsign: Benways, Name changed from Air Taxi Benin. | DY | AVCODES |
| 1609 | ABT | Air Brousse | | | ICAO1 |
| 1610 | ABT | Severin Abt GmbH & Co. KG | City: Schwäbisch Gmünd | D | TRAFFIC |
| 1611 | ABT | AB Tankvagnar | | SE | VKM |
| 1612 | ABTA | ABT INC | | | SCAC3 |
| 1613 | ABTB | ALBATRANS SPA | | | SCAC4 |
| 1614 | ABTC | ARNOLD, BILL TRUCKING | | | SCAC3 |
| 1615 | ABTC | ABERS TOWING & RECOVERY INC | | | SCAC4 |
| 1616 | ABTD | ALL BULK TRANSPORT CORP | | | SCAC3 |
| 1617 | ABTE | A B C TRUCKING INC | | | SCAC3 |
| 1618 | ABTF | ABBS TRANSFER | | | SCAC3 |
| 1619 | ABTG | A & B TRANSFER & STORAGE CO INC - A | | | SCAC4 |
| 1620 | ABTI | AB-TEX TRANSFER & STORAGE COMPANY | | | SCAC3 |
| 1621 | ABTJ | ABELL TRUCKING | | | SCAC3 |
| 1622 | ABTJ | ABSTRACT CARRIERS INC | | | SCAC4 |
| 1623 | ABTK | A B C TRUCK LINES | | | SCAC3 |
| 1624 | ABTK | ABRAHAMSON TRUCKING | | | SCAC4 |
| 1625 | ABTL | ABBOTT TRANSFER LINE, INC | | | SCAC3 |
| 1626 | ABTL | ABT FREIGHT LINES INC | | | SCAC4 |
| 1627 | ABTM | ART BOAT TOURING INC | | | SCAC4 |
| 1628 | ABTN | ALABAMA TRANSFER & STORAGE CO INC | | | SCAC3 |
| 1629 | ABTN | AMERICAN BEST TRANSPORTATION INC | | | SCAC4 |
| 1630 | ABTO | ALLBEST TRANSFER & WAREHOUSE | | | SCAC3 |
| 1631 | ABTO | A & B TRUCKING CO | | | SCAC4 |
| 1632 | ABTP | ABERCROMBIE TRANSPORTATION CO | | | SCAC4 |
| 1633 | ABTQ | A B C TRANSFER CO | | | SCAC3 |
| 1634 | ABTQ | AB TRANSPORT LLC | | | SCAC4 |
| 1635 | ABTR | A & B TRANSPORT | | | SCAC4 |
| 1636 | ABTR | AB Transitio | | SE | VKM |
| 1637 | ABTS | ABCO TRANSPORTATION INC | | | SCAC4 |
| 1638 | ABTT | ABLT TRUCKING INC | | | SCAC3 |
| 1639 | ABTT | ABT INC | | | SCAC4 |
| 1640 | ABTV | AB TRANSFER INC | | | SCAC3 |
| 1641 | ABTV | A BEST MOVERS INC | | | SCAC4 |
| 1642 | ABTW | ABC TOWING INC | | | SCAC3 |
| 1643 | ABTX | General Electric Railcar Services Corp. | added 1/1984; 1/1985-1/1994; eliminated 10/1994 | | NAKINA |
| 1644 | ABTX | North American Car Corp. | added 4/1966; 10/1966-1/1980; eliminated 1/1984 | | NAKINA |
| 1645 | ABTX | Aubrey Bartlett | 7/1923 | | NAKINA |
| 1646 | ABTX | North American Car Corp. | added 4/66; 10/66-1/80 | | NRHS |
| 1647 | ABTX | General Electric Railcar Services Corp. | 1/94; eliminated 10/94 | | NRHS |
| 1648 | ABTX | *AUBREY BARTLETT | | | PWRC |
| 1649 | ABTX | *(NATX) G.E. RAILCAR SERVICES (ABBOTT LABS-LESSEE) | | | PWRC |
| 1650 | ABTX | Aubrey Bartlett (General Electric Railcar Services Corp.) | | | RSRV |
| 1651 | ABTY | ABDER TRANSIT SYSTEMS LTD | | | SCAC4 |
| 1652 | ABU | Aerovias Bueno Ltda. | Callsign: Aerobueno, | CO | AVCODES |
| 1653 | ABU | Eagle Aviaton Services, Inc | | USA | AVCODES |
| 1654 | ABU | Aerovias Bueno | | | ICAO1 |
| 1655 | ABUB | ALLEN BUS LINES | | | SCAC3 |
| 1656 | ABUD | ABU DHABI NATIONAL TANKER COMPANY | | | SCAC3 |
| 1657 | ABUD | ABU DHABI NATIONAL TANKER COMPANY | | | SCAC4 |
| 1658 | ABUE | AMERICAN BUSLINES INC | | | SCAC3 |
| 1659 | ABUF | ABACUS TRANSFER & STORAGE | | | SCAC3 |
| 1660 | ABUF | ABSOLUTE FREIGHT INCORPORATED | | | SCAC4 |
| 1661 | ABUI | ANDERSON, BUD FORD INC | | | SCAC3 |
| 1662 | ABUJ | ACTION BUS OF NEW JERSEY INC | | | SCAC3 |
| 1663 | ABUK | A R B TRUCKING INC | | | SCAC3 |
| 1664 | ABUK | ATHENIAN BULKERS SA | | | SCAC4 |
| 1665 | ABUK | Abukuma Express Ltd. | | J | TRAFFIC |
| 1666 | ABUL | ABACUS TRUCK LINES 1948 LTD | | | SCAC4 |
| 1667 | ABUM | ABUS MARITIME CORPORATION (LIBERIA) | | | SCAC3 |
| 1668 | ABUN | ACTION BUS COMPANY INC | | | SCAC3 |
| 1669 | ABUO | ANT BULKOIL CARRIER LTD. | | | SCAC3 |
| 1670 | ABUP | ARBOUR SHIPPING CORP. | | | SCAC3 |
| 1671 | ABUR | ALBURN TRUCKING COMPANY | | | SCAC3 |
| 1672 | ABUS | ABLE BUS CO INC | | | SCAC3 |
| 1673 | ABUS | ARBUTUS COMMERCIAL FURNITURE LTD | | | SCAC4 |
| 1674 | ABUS | American Bus Company, NJ | | USA | TRAFFIC |
| 1675 | ABUSG | Przedsiębiorstwo Komunikacyjne A-BUS | City: Gdynia | PL | TRAFFIC |
| 1676 | ABUSS | ABUSS Autobusova Doprava | | SK | TRAFFIC |
| 1677 | ABUT | A BUS & TOURS | | | SCAC3 |
| 1678 | ABUT | ARBUTUS GROVE NURSERY LTD | | | SCAC4 |
| 1679 | ABUV | ALLTOWN BUS SERVICE INC | | | SCAC3 |
| 1680 | ABV | Aero 8 Venezuela | IATA: BE, Callsign: Bravo Echo, | YV | AVCODES |
| 1681 | ABV | Antrak Air Limited | IATA: O4, Callsign: Antrak, | GH | AVCODES |
| 1682 | ABV | ASL Airlines UK Limited | Callsign: Cargoblue, Incorporated on 29 July 2020. | GB | AVCODES |
| 1683 | ABV | Antrak Air | IATA: 04 | | ICAO1 |
| 1684 | ABVC | ABOVE ALL TRANSPORT LLC | | | SCAC4 |
| 1685 | ABVE | ABOVE AND BEYOND INC | | | SCAC4 |
| 1686 | ABVF | ALDAPE BASLDUA, SALVADOR E | | | SCAC4 |
| 1687 | ABVG | ABCO MOVING & STORAGE | | | SCAC3 |
| 1688 | ABVH | ABC VAN LINES INC | | | SCAC3 |
| 1689 | ABVH | ABRAMOVICH TRUCKING | | | SCAC4 |
| 1690 | ABVI | ABLE VAN & STORAGE | | | SCAC3 |
| 1691 | ABVI | AMOSKEAG BEVERAGES INC | | | SCAC4 |
| 1692 | ABVJ | AMBASSADOR VAN LINES INC | | | SCAC3 |
| 1693 | ABVL | ABLE VAN LINES | | | SCAC3 |
| 1694 | ABVL | AMERICAS BEST VAN LINE INC | | | SCAC4 |
| 1695 | ABVN | A-B VAN AND STORAGE INC | | | SCAC3 |
| 1696 | ABVN | ALPHA BETA SERVICES CORPORATION | | | SCAC4 |
| 1697 | ABVP | ABOVE PAR LEASING INC | | | SCAC4 |
| 1698 | ABVQ | ALBERT DELIVERY SERVICE | | | SCAC3 |
| 1699 | ABVR | ALBUM COMPANIA NAVIERA SA | | | SCAC3 |
| 1700 | ABVS | AMBITIOUS VENTURES | | | SCAC3 |
