| 1 | BOS | Bosal International Management N.V. | Callsign: Bosal, | B | AVCODES |
| 2 | BOS | BA European Limited t/a Openskies | IATA: EC, IATA Prefix: 284, | GB | AVCODES |
| 3 | BOS | Openskies | IATA: EC, Callsign: Mistral, IATA Prefix: 284, IATA code changed to LV | F | AVCODES |
| 4 | BOS | OpenSkies SASU | IATA: LV, Callsign: Mistral, IATA Prefix: 284, Name changhed to OpenSkies SASU c.o.b. as LEVEL. IATA code changed from EC | F | AVCODES |
| 5 | BOS | OpenSkies SASU c.o.b. as LEVEL | IATA: LV, Callsign: Mistral, IATA Prefix: 284, Ceased operations on 08 July 2020. Name changed from OpenSkies SASU. IATA code changed from EC | F | AVCODES |
| 6 | BOS | OpenSkies | | | ICAO1 |
| 7 | BOS | BUS Ostschweiz AG | until 2013 RTB Rheintal Bus AG | CH | TRAFFIC |
| 8 | BOSA | BONSACK, EARL L | | | SCAC3 |
| 9 | BOSB | BOSTON LINE & SERVICE CO INC | | | SCAC3 |
| 10 | BOSB | B O S AUTO PARTS | | | SCAC4 |
| 11 | BOSC | BLUE OCEAN SHIPPING CORP | | | SCAC3 |
| 12 | BOSC | BOSCHMA OIL CO | | | SCAC4 |
| 13 | BOSD | BOSSONGS COMMERCIAL DELIVERY | | | SCAC3 |
| 14 | BOSD | BOSSONGS COMMERCIAL DELIVERY INC | | | SCAC4 |
| 15 | BOSE | BOSSELMAN CARRIERS INC | | | SCAC3 |
| 16 | BOSE | BOSSELMAN CARRIERS LLC | | | SCAC4 |
| 17 | BOSG | BONA SHIPPING A/S | | | SCAC3 |
| 18 | BOSH | BOSCH TRUCKING COMPANY INC | | | SCAC3 |
| 19 | BOSH | BOSS HAULING LTD | | | SCAC4 |
| 20 | BOSI | BANTAYOG OCEAN SHIPPING | | | SCAC3 |
| 21 | BOSI | BOSFOR INC | | | SCAC4 |
| 22 | BOSJ | BODY SHOP BY JIM SCHLIER | | | SCAC3 |
| 23 | BOSJ | BOSCOE'S EXPRESS | | | SCAC4 |
| 24 | BOSJ | Föreningen Böda Skogsjärnväg | | SE | VKM |
| 25 | BOSK | BORISKO BROTHERS INC | | | SCAC3 |
| 26 | BOSK | BOOSKA MOVERS INC | | | SCAC4 |
| 27 | BOSL | BOS LINES INC | | | PWRC |
| 28 | BOSL | B O S S LINES INC | | | SCAC3 |
| 29 | BOSM | BOULEVARD STORAGE & MOVING CO INC | | | SCAC3 |
| 30 | BOSN | BUSINESS OFFICE SECURED STORAGE INC | | | SCAC4 |
| 31 | BOSO | BONDED SERVICE WAREHOUSE | | | SCAC3 |
| 32 | BOSO | BONDED SERVICE WAREHOUSE INC | | | SCAC4 |
| 33 | BOSP | BROTHERS TRANSPORTATION INC | | | SCAC3 |
| 34 | BOSP | BOS TRANSPORT LLC | | | SCAC4 |
| 35 | BOSQ | BOINEAUS INC MOVING & STORAGE | | | SCAC3 |
| 36 | BOSR | BORDER OPPORTUNITY SAVER SYSTEMS IN | | | SCAC4 |
| 37 | BOSS | BLUE SPARTAN SHIPPING COMPANY LTD. | | | SCAC3 |
| 38 | BOSS | BOSS TRUCKING INC | | | SCAC4 |
| 39 | BOST | Boston Mass Transit Authority | Real: MTA | USA | TRAFFIC |
| 40 | BOSU | W. BOS VLOEISTOF TRANSPORT B.V. | | | PWRC |
| 41 | BOSU | W. BOS Vloeistof Transport | | | RSRV |
| 42 | BOSU | W. BOS TRANSPORT EN GARAGEBEDRIJF B | | | SCAC3 |
| 43 | BOSU | JFC ECUADOR SA | | | SCAC4 |
| 44 | BOSV | BIONE TRUCK SERVICE | | | SCAC3 |
| 45 | BOSV | BIONE TRUCK SERVICE INC | | | SCAC4 |
| 46 | BOSW | Baltimore & Ohio Southwestern | | USA | TRAFFIC |
| 47 | BOSX | Butler Oil Sales Co. | 7/1923 | | NAKINA |
| 48 | BOSX | BUTLER OIL SALES CO. | | | PWRC |