| BAF | British Air Ferries | ||
| BAG | DI | 944 | dba |
| BAL | BY | 754 | Britannia Airways |
| BAW | BA | 125 | British Airways |
| BBB | BB | Balair/CTA Ltd | |
| BBC | BG | 997 | Biman Bangladesh Airlines |
| BBD | BF | 290 | Bluebird Cargo |
| BBG | FZ | Alisea Airlines | |
| BBO | F7 | Flybaboo | |
| BBR | S3 | 249 | Santa Barbara Airlines Cargo |
| BCB | Carib Express | ||
| BCM | TY | BCM Airlines SA | |
| BCS | QY | 615 | European Air Transport |
| BCY | WX | 689 | Cityjet |
| BDA | BZ | 620 | Blue Dart Aviation |
| BEC | Air Berkut | ||
| BEE | BE | 267 | FlyBE |
| BER | AB | 745 | Air Berlin |
| BET | 376 | BETA Cargo - Brasilian Express Transportes Aéreos | |
| BFB | Bulgarian Flying Cargo | ||
| BFC | Basler Airlines (Basler Flight Services) | ||
| BFL | J4 | Buffalo Airways | |
| BGA | Airbus Transport Int´l | ||
| BGH | BH Air | ||
| BGL | A8 | 719 | Benin Golf Air |
| BHO | B4 | 896 | Bhoja Airlines |
| BHS | UP | 111 | Bahamasair |
| BHT | C6 | 116 | Bright Air |
| BHY | Birgenair | ||
| BIA | TI | Baltic International Airlines | |
| BIH | UR | British International Helicopters | |
| BKA | Bankair | ||
| BKL | X3 | 483 | Baikal |
| BKP | PG | 829 | Bangkok Airways |
| BKU | Bykovo Avia | ||
| BLF | KF | 142 | Blue1 |
| BLI | Belair Belarussian Airlines | ||
| BLN | Bali Air | ||
| BLR | DH | 480 | Atlantic Coast Airlines (United Express) |
| BLS | JV | 632 | Bearskin Airlines |
| BLV | B3 | 208 | Bellview Airlines |
| BLX | 6B | 951 | Britannia Airways AB |
| BMA | BD | 236 | bmi Cargo |
| BMI | bmibaby | ||
| BMJ | CH | Bemidji Airlines | |
| BML | 5Z | 541 | Bismillah Airlines |
| BND | Bond Helicopters | ||
| BOI | Aboitiz Air Transport | ||
| BOL | 901 | Transportes Aereos Bolivianos | |
| BON | JA | 995 | Air Bosna |
| BOT | BP | 636 | Air Botswana |
| BOU | BO | 666 | Bouraq Airlines |
| BPA | BV | 004 | Blue Panorama Airlines |
| BRB | BRA - Transportes Aeroes | ||
| BRC | E6 | 417 | Bringer Air Cargo |
| BRO | 5E | BASE Airlines | |
| BRT | British Regional Airlines | ||
| BRU | B2 | 628 | Belavia |
| BRW | Bright Aviation Services | ||
| BRY | BC | 657 | Brymon Airways |
| BRZ | E5 | 906 | Samara Airlines |
| BSC | YM | Blue Sky Carrier | |
| BSK | GL | Miami Air International | |
| BSL | BSL Airlines | ||
| BSP | 6Z | Bosphorus Airways | |
| BTA | Continental Express | ||
| BTC | V9 | 940 | Bashkir Airlines |
| BTI | BT | 657 | Air Baltic |
| BTL | Baltia Airlines Inc | ||
| BTR | Botir Avia | ||
| BTS | TechAviaService AirCompany | ||
| BTV | 7P | Batavia Air | |
| BUC | Bulgarian Air Charter | ||
| BUL | Blue Airlines | ||
| BUZ | UK | Buzz | |
| BVA | BV | Buffalo Air | |
| BVN | Baron Aviation Services | ||
| BVT | J8 | 801 | Berjaya Air |
| BWA | BW | 106 | Caribbean Airlines |
| BWG | QW | 049 | Blue Wings |
| BWL | VF | 762 | British World Airlines |
| BYA | Berry Aviation | ||
| BYC | QB | Northern Airlines Sanya | |
| BYU | Bayu Indonesia Air | ||
| BZH | DB | 750 | Brit Air |