| D0 | DHK | DHL Air | |
| D2 | DAM | 059 | Skyline NEPC |
| D3 | DAO | 991 | Daallo Airlines |
| D4 | Aries Del Sur | ||
| D5 | NEP | 448 | NEPC Airlines |
| D5 | DAE | 992 | DHL Aero Express |
| D6 | ILN | 625 | Inter-Aviation Services |
| D7 | RDN | 429 | Dinar Lineas Aereas |
| D8 | DSL | 213 | Diamond Sakha Airlines |
| D8 | DJB | Djibouti Airlines | |
| D9 | DNV | 733 | Aeroflot-Don |
| DA | GEO | 500 | Air Georgia |
| DB | BZH | 750 | Brit Air |
| DB | DBD | Air Niagara Express | |
| DC | DCC | Caribbean Air Cargo | |
| DC | GAO | Golden Air Flyg | |
| DD | EPC | Conti-Flug | |
| DE | CFG | 881 | Condor |
| DF | NWC | New ACS | |
| DF | DER | 898 | Deer Jet |
| DG | CTT | 373 | Custom Air Transport |
| DH | BLR | 480 | Atlantic Coast Airlines (United Express) |
| DI | BAG | 944 | dba |
| DJ | PBN | Pacific Blue | |
| DJ | NOD | Nordic European Airlines | |
| DJ | VOZ | Virgin Blue | |
| DK | VKG | 630 | MyTravel Airways |
| DK | ELA | Eastland Air | |
| DL | DAL | 006 | Delta Air Lines |
| DM | DAN | 349 | Maersk Air Cargo |
| DN | CPT | Corporate Air | |
| DN | DKN | Deccan | |
| DO | DOA | 113 | Dominicana de Aviacion |
| DO | RVL | 965 | Air Vallee |
| DO | ASE | Airstars | |
| DP | FCA | 091 | First Choice Airways Cargo |
| DQ | CXT | 457 | Coastal Air Transport |
| DS | EZS | Easyjet Switzerland | |
| DT | DTA | 118 | TAAG Angola Airlines |
| DU | HMS | 748 | Hemus Air |
| DV | VSV | SCAT Air | |
| DW | RAR | Aviaross Air Company | |
| DX | DTR | Danish Air Transport | |
| DY | DYA | Alyemen Airlines | |
| DY | NAX | 328 | Norwegian Air Shuttle |
| DZ | KET | CAT Cargo Air Transport |