| 1 | MDB | Monde Air Charters Ltd. | Callsign: Mondeair Cargo, | GB | AVCODES |
| 2 | MDB | Vertical Aviation, LLC | Callsign: Marianas, | USA | AVCODES |
| 3 | MDB | Monde Air Charters | | | ICAO1 |
| 4 | MDBA | MARINER DISTRIBUTING COMPANY AND ANCHOR DISTRIBUTING COMPANY | | | SCAC1 |
| 5 | MDBA | MDT | | | SCAC4 |
| 6 | MDBB | MCLAMB, DENNIS INC | | | SCAC4 |
| 7 | MDBD | MCBRIDES DELIVERY SYSTEMS INC | | | SCAC4 |
| 8 | MDBF | MCRAE, D & A INC | | | SCAC4 |
| 9 | MDBL | MAD DOG BROKERAGE INC | | | SCAC4 |
| 10 | MDBM | MEDBULK MARITIME | | | SCAC4 |
| 11 | MDBN | MASON AND DIXON LINES | | | SCAC4 |
| 12 | MDBT | MDB TRANSPORTATION | | | SCAC4 |
| 13 | MDBU | MED BOX SL | | | SCAC4 |
| 14 | MDBW | MID-ATLANTIC INTERNATIONAL FREIGHT | | | SCAC4 |
