| 1 | ABB | Air Belgium International | IATA: AJ, Callsign: Air Belgium, Sold to Airtours and operations ceased by end October 2000. IATA designator changed from VY | B | AVCODES |
| 2 | ABB | African Business and Transportations | Callsign: African Business, | ZRE | AVCODES |
| 3 | ABB | Air Belgium International | IATA: VY, Callsign: Air Belgium, IATA designator changed to AJ. Name chaneged from Abelag Airways | B | AVCODES |
| 4 | ABB | Air Belgium SA | IATA: KF, Callsign: Air Belgium, | B | AVCODES |
| 5 | ABB | African Business and Transportations | | | ICAO1 |
| 6 | ABB | Akron & Barberton Belt R.R. Co. | 1/1975-1/1994; eliminated 4/1995; 7/2000-7/2005 | | NAKINA |
| 7 | ABB | Akron & Barberton Belt R.R. Co. | 1/75-1/94; eliminated 4/95; 7/2000 | | NRHS |
| 8 | ABB | AKRON & BARBERTON BELT RAILROAD | | | PWRC |
| 9 | ABB | Akron and Barberton Belt Railroad | | | RSRV |
| 10 | ABB | ABB AB | | SE | VKM |
| 11 | ABBA | ABBAS TRUCKING | | | SCAC3 |
| 12 | ABBA | ABBA HOLDINGS LTD | | | SCAC4 |
| 13 | ABBB | ABBOTT BUS LINES INC | | | SCAC3 |
| 14 | ABBB | ABBOTT BUS LINES INC | | | SCAC4 |
| 15 | ABBC | ABBOTT CONSTRUCTION COMPANY | | | SCAC3 |
| 16 | ABBC | ABBEYS SPECIALIZED HAULERS LLC | | | SCAC4 |
| 17 | ABBD | ABBEY FORWARDING | | | SCAC3 |
| 18 | ABBE | APB SERVICES | | | SCAC4 |
| 19 | ABBF | A BEST BUY PREMIUM FUEL & TRUCKING | | | SCAC4 |
| 20 | ABBG | A & B TRUCKING INCORPORATED | | | SCAC3 |
| 21 | ABBK | ABBOT TRUCKING | | | SCAC3 |
| 22 | ABBM | ATLANTIC BOAT TRANSPORTATION INC | | | SCAC4 |
| 23 | ABBN | ABEL TRANSPORTATION | | | SCAC3 |
| 24 | ABBP | ABBOTT, PAUL TRUCKING | | | SCAC3 |
| 25 | ABBQ | ABBOT & CO | | | SCAC3 |
| 26 | ABBS | ABBS MOVING SERVICE INC | | | SCAC3 |
| 27 | ABBT | ABBOTT OIL COMPANY INC | | | SCAC4 |
| 28 | ABBU | ATLANTIC BULK CARRIERS MANAGMENT LTD | | USA | BIC |
| 29 | ABBU | Atlantic Bulk Carriers Managment | | | RSRV |
| 30 | ABBU | ATLANTIC BULK CARRIERS LTD | | | SCAC3 |
| 31 | ABBU | ATLANTIC BULK CARRIERS LTD | | | SCAC4 |
| 32 | ABBV | ABBA INTERNATIONAL, INC | | | SCAC3 |
| 33 | ABBW | ABBCO | | | SCAC3 |
| 34 | ABBX | Abbott Labs | added 1/1982; 1/1985; eliminated 4/1993; 1/1994-7/2005 (not listed) | | NAKINA |
| 35 | ABBX | Abbott Labs | added 1/82; eliminated 4/93; 1/94-7/2000 | | NRHS |
| 36 | ABBX | ABBOTT LABS | | | PWRC |
| 37 | ABBX | Abbott Labs | | | RSRV |
| 38 | ABBX | ABBOTT LABS | | | SCAC4 |
| 39 | ABBY | A & B BUS COMPANY INC | | | SCAC3 |
| 40 | ABBY | ABBY GAS SERVICE | | | SCAC4 |
