| Airline | 2LC | Prefix |
| Air Lingus | EI | 053 |
| AeroTransCargo | AM | 139 |
| AeroMexico | F5 | 227 |
| Aigle Azur | ZI | 439 |
| Air Astana | KC | 465 |
| Air Austral | UU | 760 |
| Air Baltic | BT | 657 |
| Air Caraibes | TX | 427 |
| Air China | CA | 999 |
| Air Europa | UX | 996 |
| Air Madagascar | MD | 258 |
| Air Mauritius | MK | 239 |
| Air Moldova | 9U | 572 |
| Air Premia | YP | 350 |
| Air Transat | TS | 649 |
| Allied Air Ltd. | 4W | 574 |
| American Airlines | AA | 001 |
| Ariana Afghan Airlines | FG | 255 |
| Asiana Airlines | OZ | 988 |
| Astral Aviation Ltd. | 8V | 485 |
| Azul | AD | 577 |
| Biman Bangladesh Airlines | BG | 997 |
| Boliviana de Aviacion | OB | 930 |
| British Airways | BA | 125 |
| Bulgarian Air Charter | BUC | 994 |
| China Airlines | CI | 297 |
| China Eastern Airlines | MU | 112 |
| China Cargo Airlines | CK | 112 |
| China Southern Airlines | CZ | 784 |
| CMA CGM Air Cargo | 2C | 003 |
| Condor | DE | 881 |
| Corendon Netherlands | CD | 703 |
| Corendon Turkey | XC | 703 |
| Corendon Europe | XR | 703 |
| Corsair | SS | 923 |
| Croatia Airlines | OU | 831 |
| Egypt Air | MS | 077 |
| Eleron Airlines | WD | 352 |
| Eritrean Airlines | B8 | 637 |
| Ethiad Airways | EY | 607 |
| Eva Air | BR | 695 |
| French Bee | BF | 396 |
| Gulf Air | GF | 072 |
| Hainan Airlines | HU | 880 |
| Iraqi Airways | IA | 073 |
| Juneyao Airlines | HO | 018 |
| LTD I Fly | I4 | 757 |
| Malaysia Airlines | MH | 232 |
| IBERIA | IB | 075 |
| Magma | CC | xxx |
| MIAT Mongolian Airlines | OM | 289 |
| Middle East Airlines | ME | 076 |
| Monacair | QM | |
| NEOS S.p.A. | NO | 703 |
| Pakistan International Airlines | PK | 214 |
| Pegasus Airlines | PC | 624 |
| Qatar Airways | QR | 157 |
| Royal Jordanian Airlines | RJ | 512 |
| Royal Air Maroc | AT | 147 |
| Sata International Azores | S4 | 331 |
| Saudia Airlines | SV | 065 |
| SF Airlines | O3 | 921 |
| Singapore Airlines | SQ | 618 |
| SriLankan Airlines | UL | 603 |
| SunClass Airlines ApS | DK | 881 |
| Thai Airways International | TG | 217 |
| Tarom | RO | 281 |
| Tianjin Airlines | GS | 826 |
| Tolead | 3V | 756 |
| Trans Caribbean Cargo | CB | 456 |
| Tui fly | X3 | 612 |
| TUIfly Nordic AB | 6B | 612 |
| TUI Airways Ltd. | BY | 612 |
| TUI Airlines Netherlands B.V. | OR | 612 |
| TUI Airlines Belgium N.V. | TB | 612 |
| SunClass Airlines ApS | DK | 881 |
| TUI Airlines Netherlands B.V. | OR | 612 |
| TUI Airlines Belgium N.V. | TB | 612 |
| Tunis Air | TU | 199 |
| Ural Airlines | U6 | 262 |
| ULS | GO | 444 |
| VIM Airlines | NN | 823 |
| Wizz Air | W6 | 000 |