| B2 | BRU | 628 | Belavia |
| B3 | AMY | Ambassador Airways | |
| B3 | BLV | 208 | Bellview Airlines |
| B4 | BHO | 896 | Bhoja Airlines |
| B6 | TOP | Top Air Havacilik Sanayi Ve Ticaret | |
| B6 | JBU | JetBlue | |
| B7 | MKO | Makung Airlines | |
| B7 | UIA | 525 | UNI Air |
| B8 | ERT | Eritrean Airlines | |
| BA | BAW | 125 | British Airways |
| BA | MNX | 916 | British Airways CitiExpress |
| BB | BBB | Balair/CTA Ltd | |
| BC | BRY | 657 | Brymon Airways |
| BC | SKY | Skymark Airlines | |
| BD | BMA | 236 | bmi Cargo |
| BE | BEE | 267 | FlyBE |
| BE | CNA | Centennial Airlines | |
| BF | MRK | 478 | Markair |
| BF | BBD | 290 | Bluebird Cargo |
| BG | BBC | 997 | Biman Bangladesh Airlines |
| BH | TSW | TEA Switzerland | |
| BI | RBA | 672 | Royal Brunei Airlines |
| BJ | LBT | Nouvel Air Tunisie | |
| BK | OKA | Okay Airways | |
| BL | PIC | 550 | Pacific Airlines |
| BN | 472 | Forward Air | |
| BO | BOU | 666 | Bouraq Airlines |
| BP | BOT | 636 | Air Botswana |
| BQ | ROM | 926 | Aeromar |
| BR | EVA | 695 | EVA Air |
| BT | BTI | 657 | Air Baltic |
| BV | BVA | Buffalo Air | |
| BV | BPA | 004 | Blue Panorama Airlines |
| BV | SSN | 928 | Sun Air |
| BW | BWA | 106 | Caribbean Airlines |
| BX | CST | 970 | Coast Air AS |
| BY | BAL | 754 | Britannia Airways |
| BY | TOM | Thomsonfly | |
| BZ | BDA | 620 | Blue Dart Aviation |