| 1 | BUB | Air Bourbon | IATA: ZN, Callsign: Bourbon, Commenced operations on 07 June 2003. Ceased operations in December 2004. | REU | AVCODES |
| 2 | BUB | Air Bourbon | IATA: ZB | | ICAO1 |
| 3 | BUB | Brenner & Brenner Dampflokomotiven Betriebsgesellschaft mbH | | AT | VKM |
| 4 | BUBB | BUSTOS BROTHERS TRUCKING | | | SCAC4 |
| 5 | BUBD | BURROWS, BILLY D | | | SCAC3 |
| 6 | BUBG | BUCH BROKERAGE & CO INC | | | SCAC3 |
| 7 | BUBH | BUTTEL BROTHERS | | | SCAC3 |
| 8 | BUBJ | BLUE BOY TRANSPORTATION SERVICES IN | | | SCAC3 |
| 9 | BUBK | BUSH BROKERAGE INC | | | SCAC3 |
| 10 | BUBL | BUBLITZ, DALE | | | SCAC3 |
| 11 | BUBM | BUBER, THOMAS E INC | | | SCAC3 |
| 12 | BUBM | BAKERS SUPPLY CO INC | | | SCAC4 |
| 13 | BUBN | BUCHNOFF BROS TRUCKING | | | SCAC3 |
| 14 | BUBO | BUHR BROS TRANSPORT INC | | | SCAC3 |
| 15 | BUBO | BUHR BROS TRANSPORT INC | | | SCAC4 |
| 16 | BUBP | BUREAU OF BUSINESS PRACTICE | | | SCAC3 |
| 17 | BUBR | BURGER BROS | | | SCAC3 |
| 18 | BUBS | BUTLER BROS INC | | | SCAC3 |
| 19 | BUBT | BURCO BROS TRUCKING LTD | | | SCAC3 |
| 20 | BUBV | BAUERS, BOB TOWING SERVICE INC | | | SCAC3 |
