| 1 | BUA | Business Aviation A/S | Callsign: Busyair, | DK | AVCODES |
| 2 | BUAA | BUSK, A A MOVING & STORAGE | | | SCAC3 |
| 3 | BUAA | BUSBY ENTERPRISES LTD | | | SCAC4 |
| 4 | BUAF | British United Air Ferries | | GB | TRAFFIC |
| 5 | BUAG | BUGATTI FREIGHT INTL (USA) INC | | | SCAC4 |
| 6 | BUAH | BURR, RALPH E | | | SCAC3 |
| 7 | BUAH | BURKRAFT SERVICES | | | SCAC4 |
| 8 | BUAJ | BURKE, ALFRED J & SONS LTD | | | SCAC4 |
| 9 | BUAK | BUENA TRUCK INC | | | SCAC3 |
| 10 | BUAM | BRUA, MIKE | | | SCAC3 |
| 11 | BUAN | BUANNO TRANSPORTATION CO | | | SCAC3 |
| 12 | BUAP | BUMPERS OIL CO LLC | | | SCAC4 |
| 13 | BUAQ | BRUE, REUBEN A | | | SCAC3 |
| 14 | BUAS | BUCHANAN & SONS | | | SCAC3 |
| 15 | BUAT | BURLINGTON AUTOMATION CORPORATION | | | SCAC4 |
