Airlines — B
- IBBBinter Canarias
- BIRBird Leasing
- BMLBismillah Airlines
- BSSBissau Aero Transporte
- BAUBissau Airlines
- BDFBissau Discovery Flying Club
- BSCBistair - Fez
- VLXBiz Jet Charter
- BZABizair Fluggesellschaft
- BIZBizjet Ltd
- CKMBKS Air (Rivaflecha)
- BSABlack Stallion Airways
- BAKBlackhawk Airways
- LEDBlom Geomatics
- JORBlue Air
- BULBlue Airlines
- BLMBlue Airways
- BLBBlue Bird Aviation
- VOLBlue Chip Jet
- BDABlue Dart Aviation
- BLHBlue Horizon Travel Club
- BCIBlue Islands
- BLJBlue Jet
- BLEBlue Line
- BNLBlue Nile Ethiopia Trading
- BPABlue Panorama Airlines
- BSWBlue Sky Airways
- BKYBlue Sky America
- BSMBlue Sky Aviation
- BSDBlue Star Airlines
- BSJBlue Swann Aviation
- BWIBlue Wing Airlines
- BWGBlue Wings
- BLFBlue1
- BBGBluebird Airways (BZ)
- BBDBluebird Cargo
- BMAbmi
- BMIbmibaby
- BMWBMW
- BNGBN Group Limited
- BOEBoeing
- BINBoise Interagency Fire Center
- BOVBoliviana de Aviacion (OB)
- BFOBombardier
- LXJBombardier Business Jet Solutions
- BNRBonair Aviation
- BODBond Air Services
- EBABond Aviation
- BNDBond Offshore Helicopters
- BOABoniair
- BPTBonus Aviation
- IRJBonyad Airlines
- BOOBookajet Limited
- BOFBordaire
- RRSBoscombe Down DERA (Formation)
- ZBABoskovic Air Charters Limited
- BHYBosphorus European Airways
- CXSBoston-Maine Airways
- BTRBotir-Avia
- BOUBouraq Indonesia Airlines
- BTQBoutique Air (Priv)
- BMNBowman Aviation
- BRBBRA-Transportes Aereos
- BRABraathens
- BARBradly Air (Charter) Services
- BNFBraniff International Airways
- BRNBranson Airlines
- BSIBrasair Transportes Aereos
- BRVBravo Air Congo
- BBVBravo Airlines
- BZEBRAZIL AIR
- BRSBrazilian Air Force
- EXBBrazilian Army Aviation
- MBRBrazilian Navy Aviation
- BREBreeze Ltd
- BRKBriansk State Air Enterprise
- BMEBriggs Marine Environmental Services
- BHTBright Air
- BRWBright Aviation Services
- CLFBristol Flying Centre
- BHLBristow Helicopters
- BHNBristow Helicopters Nigeria
- BMHBristow Masayu Helicopters
- BZHBrit Air
- BALBritannia Airways
- XMSBritish Airways
- SHTBritish Airways Shuttle
- BANBritish Antarctic Survey
- BCLBritish Caribbean Airways
- BCRBritish Charter
- BGIBritish Gulf International
- BGKBritish Gulf International-Fez
- BIHBritish International Helicopters
- BMDBritish Medical Charter
- LAJBritish Mediterranean Airways
- BMRBritish Midland Regional
- BNWBritish North West Airlines
- BPXBritish Petroleum Exploration
- BRTBritish Regional Airlines
- SKHBritish Sky Broadcasting