| 1 | ABO | APSA Colombia | | | ICAO1 |
| 2 | ABOA | ABBOTT TRANSPORTATION | | | SCAC3 |
| 3 | ABOA | ARBO TRANSPORT CO INC | | | SCAC4 |
| 4 | ABOAG | Allgemeine Berliner Omnibus AG | 1868 - 1928 | D | TRAFFIC |
| 5 | ABOB | ATLANTIC BOAT TRANSPORTER | | | SCAC3 |
| 6 | ABOC | ABSORBENT COTTON CO | | | SCAC3 |
| 7 | ABOC | AUTOTRANSPORTES BOUCHOT | | | SCAC4 |
| 8 | ABOD | ABLE TRUCKING ONT INC | | | SCAC4 |
| 9 | ABOE | ABBOTT EXPRESS | | | SCAC3 |
| 10 | ABOF | ABCO FORWARDERS INC | | | SCAC3 |
| 11 | ABOF | AMBIO BIOFILTRATION LTD | | | SCAC4 |
| 12 | ABOG | ABBOTT MOVING AND STORAGE | | | SCAC3 |
| 13 | ABOG | ABS LOGISTICS MANAGEMENT INC | | | SCAC4 |
| 14 | ABOI | ALBERTOS TRANSPORT INC | | | SCAC3 |
| 15 | ABOJ | ABEL OIL CO | | | SCAC4 |
| 16 | ABOL | AMBASSADOR LIMOUSINE SERVICES | | | SCAC3 |
| 17 | ABOM | AURORA BOREALIS MARITIME CORP. | | | SCAC3 |
| 18 | ABOM | ANBO MACHINING (BLENHEIM) LTD | | | SCAC4 |
| 19 | ABON | ABBOTT CONTRACTORS INC | | | SCAC3 |
| 20 | ABON | ALBION LOGISTICS INC | | | SCAC4 |
| 21 | ABOO | ABEL MOVING & STORAGE | | | SCAC3 |
| 22 | ABOP | AALBORG PORTLAND | | | SCAC3 |
| 23 | ABOP | ADA BELTRAMI COOP ASSOCIATION | | | SCAC4 |
| 24 | ABOQ | ALLEN BONDED WAREHOUSE INC | | | SCAC3 |
| 25 | ABOR | ABACUS LIMOUSINE SERVICE INC | | | SCAC3 |
| 26 | ABOS | ARNOLDS BOAT SERVICE INC | | | SCAC3 |
| 27 | ABOT | ABEYTA, ORLANDO TRUCKING | | | SCAC3 |
| 28 | ABOU | ABOX SA | | | SCAC3 |
| 29 | ABOU | ABOX S A | | | SCAC4 |
| 30 | ABOUTME | About Me spol. s.r.o. | | CZ | TRAFFIC |
| 31 | ABOW | ABC TOW | | | SCAC3 |
| 32 | ABOX | TTX Co. | added 4/2000; 7/2000-7/2005 | | NAKINA |
| 33 | ABOX | Railbox Company | added 7/1979; 1/1980-1/1994; eliminated 4/2000 | | NAKINA |
| 34 | ABOX | American Rail Box Car Co. | added 7/1978; eliminated 7/1979 | | NAKINA |
| 35 | ABOX | American Rail Box Car Co. | added 7/1978; eliminated 7/1979 | | NAKINA |
| 36 | ABOX | Railbox Company | added 7/1979; 1/1980-1/1994; eliminated 4/2000 | | NAKINA |
| 37 | ABOX | TTX Co. | added 4/2000; 7/2000 | | NAKINA |
| 38 | ABOX | American Rail Box Car Co. | added 7/78; eliminated 7/79 | | NRHS |
| 39 | ABOX | Railbox Company | added 7/79; 1/80-1/94; eliminated 4/2000 | | NRHS |
| 40 | ABOX | TTX Co. | added 4/2000; 7/2000 | | NRHS |
| 41 | ABOX | TTX CORPORATION [(RBOX) RAILBOX COMPANY; AMERICAN RAIL BOX CAR CO.] | | | PWRC |
| 42 | ABOX | American Rail Box Car (TTX) | | | RSRV |
| 43 | ABOX | TTX COMPANY | | | SCAC4 |
| 44 | ABOY | AMBOY BUS INC | | | SCAC3 |
