| 1 | BSA | Ecole D'aviation Civile | Callsign: CAS Belgium, Founded in 1953. Merged in CAE in 2008. | B | AVCODES |
| 2 | BSA | Air Bissau International Lda | Callsign: Bissau International, | GW | AVCODES |
| 3 | BSAB | BOSCOS AUTOBODY | | | SCAC3 |
| 4 | BSAB | BROWN, KEITH EXPRESS INC | | | SCAC4 |
| 5 | BSAC | BULKSTAR SHIPPING CORP | | | SCAC3 |
| 6 | BSAD | BEST AIR DELIVERY INC | | | SCAC3 |
| 7 | BSAF | BAYSHORE AIR FREIGHT INC | | | SCAC3 |
| 8 | BSAG | BRUNSWICK SHIP AGENCY INC | | | SCAC3 |
| 9 | BSAG | BOWLING GREEN LOGISTICS INC | | | SCAC4 |
| 10 | BSAG | Bremer Straßenbahn AG | City: Bremen | D | TRAFFIC |
| 11 | BSAG | Bremer Straßenbahn SG | | DE | VKM |
| 12 | BSAK | BIG SPRINGS TRUCKING INC | | | SCAC4 |
| 13 | BSAO | BASCOS AUTO SALES | | | SCAC3 |
| 14 | BSAO | BASIC ENTERPRISE INC | | | SCAC4 |
| 15 | BSAQ | BARR-STALFORT CO | | | SCAC3 |
| 16 | BSAR | BASARABA TRUCKING LTD | | | SCAC4 |
| 17 | BSAS | BELGIAN TRUCK LINES INC | | | SCAC4 |
| 18 | BSAY | BLUE SKY TRANSPORTATION SERVICES LL | | | SCAC4 |
