| 1 | BAI | Barair, S.A. | Callsign: Barai, | E | AVCODES |
| 2 | BAI | Pueblo Bonito Air, S.A. de C.V. | Callsign: Bonito Air, | MEX | AVCODES |
| 3 | BAIA | BATTLEFORDS AIRSPRAY | | | SCAC4 |
| 4 | BAIB | BAIMBRIDGE TRANSPORT INC | | | SCAC3 |
| 5 | BAIC | BAIN, C INC | | | SCAC3 |
| 6 | BAID | BAIRD TRUCK LINES | | | SCAC3 |
| 7 | BAIE | BAILEY'S EXPRESS, INC | | | SCAC3 |
| 8 | BAIE | BAILEYS EXPRESS INC | | | SCAC4 |
| 9 | BAIF | BARNUM AIR FREIGHT | | | SCAC3 |
| 10 | BAIG | BURNSTEIN, A INTERSTATE VAN LINES I | | | SCAC3 |
| 11 | BAIH | BAY AREA INSPECTION SERVICE | | | SCAC3 |
| 12 | BAIH | BACKUP AGENTS INC | | | SCAC4 |
| 13 | BAII | BAILEY TRANSPORT INC | | | SCAC3 |
| 14 | BAIJ | BONSAI ARTS INC | | | SCAC4 |
| 15 | BAIK | BARTISON TRUCKING | | | SCAC3 |
| 16 | BAIK | BARILLAS TRUCKING INC | | | SCAC4 |
| 17 | BAIL | BAILEY TRUCKING | | | SCAC3 |
| 18 | BAIL | BAILLIE LUMBER CO INC | | | SCAC4 |
| 19 | BAIM | BONSAL AMERICAN INC | | | SCAC4 |
| 20 | BAIN | BAINBRIDGE AUTO FREIGHT, INC | | | SCAC3 |
| 21 | BAIN | BAINTER OIL SERVICE INC | | | SCAC4 |
| 22 | BAIO | BAIRD CORPORATION | | | SCAC3 |
| 23 | BAIP | BAILEY, PARKER K & SONS | | | SCAC3 |
| 24 | BAIP | BAILEY, PARKER K & SONS | | | SCAC4 |
| 25 | BAIQ | B & L MOTOR INC | | | SCAC3 |
| 26 | BAIQ | BLAST ALL INC | | | SCAC4 |
| 27 | BAIR | BARTON INTERNATIONAL INC | | | SCAC4 |
| 28 | BAIS | BAINS MOVING AND STORAGE | | | SCAC3 |
| 29 | BAIT | BRYMAK & ASSOCIATES INC | | | SCAC4 |
| 30 | BAIV | BRISENO AZTECA IMPORTS | | | SCAC4 |
| 31 | BAIX | Bona Allen, Inc. | 7/1923-7/1930 | | NAKINA |
| 32 | BAIX | BONA ALLEN, INC. | | | PWRC |
| 33 | BAIY | BAILEY TRANSIT INC | | | SCAC4 |
