| 1 | BUL | Blue Airlines | Callsign: Blue Airlines, | ZRE | AVCODES |
| 2 | BUL | Blue Airlines | | | ICAO1 |
| 3 | BULA | BULLARD TRANSPORT | | | SCAC4 |
| 4 | BULA | Bulgarian Army (Българска армия) | | BG | TRAFFIC |
| 5 | BULB | BLUE LINES INC, | | | SCAC3 |
| 6 | BULC | BULL TRUCK | | | SCAC4 |
| 7 | BULD | BULK EXPRESS, INC | | | SCAC3 |
| 8 | BULD | BULL DUST TRUCKING INC | | | SCAC4 |
| 9 | BULE | BULLSEYE TRANSPORT LLC | | | SCAC4 |
| 10 | BULH | BULK TRANSPORT CORP | | | SCAC3 |
| 11 | BULI | BUEL INC | | | SCAC3 |
| 12 | BULI | BUEL INC | | | SCAC4 |
| 13 | BULJ | BULKMATIC TRANSPORT COMPANY | | | SCAC3 |
| 14 | BULJ | BULKMATIC TRANSPORT COMPANY | | | SCAC4 |
| 15 | BULK | B L T | | | SCAC4 |
| 16 | BULK | Bulk Transshipment Slovakia, a.s. | Real: BTS | SK | TRAFFIC |
| 17 | BULL | BULL & SONS TRUCKING | | | SCAC3 |
| 18 | BULN | BULLOCKS INC | | | SCAC3 |
| 19 | BULN | BULLOCKS INC | | | SCAC4 |
| 20 | BULO | BULK TRANSPORTATION INC | | | SCAC3 |
| 21 | BULO | BULOCK TRUCKING INC | | | SCAC4 |
| 22 | BULP | BULTSMA TRUCK LINE | | | SCAC3 |
| 23 | BULP | BULTSMA, D & J TRUCKLINE LLC | | | SCAC4 |
| 24 | BULQ | BURNS MOVING AND STORAGE COMPANY, I | | | SCAC3 |
| 25 | BULQ | BULLRUSH TRUCKING INC | | | SCAC4 |
| 26 | BULR | BULLET TRANSPORT LTD | | | SCAC4 |
| 27 | BULRO | Бул-Ро ЕООД / Bul-Ro EOOD | | BG | VKM |
| 28 | BULS | BURTON LINES INC | | | SCAC3 |
| 29 | BULT | BULT, L CARTAGE | | | SCAC3 |
| 30 | BULT | BULLET TRANSPORT SERVICES INC | | | SCAC4 |
| 31 | BULU | BULKGLOBAL LOGISTICS LTD | | GB | BIC |
| 32 | BULU | BULVINOS CHEMICALS LIMITED | | | PWRC |
| 33 | BULU | BULVINOS CHEMICALS LTD | | | SCAC4 |
| 34 | BULV | BUELER LTD | | | SCAC3 |
| 35 | BULW | BULL DOG LOGISTICS LLC | | | SCAC4 |
| 36 | BULY | BULS EYE TRANSPORT | | | SCAC3 |
