| 1 | MDH | Madina Air | IATA: 3Y, IATA Prefix: 022, | LAR | AVCODES |
| 2 | MDH | Madina Air | | | ICAO1 |
| 3 | MDHE | MARTIN, DAVID H EXCAVATING INC | | | SCAC4 |
| 4 | MDHF | M & D GLOBAL LOGISTICS INC | | | SCAC4 |
| 5 | MDHG | MDH ENGINEERED SOLUTIONS CORP | | | SCAC4 |
| 6 | MDHL | MENDENHALL FUEL INC | | | SCAC4 |
| 7 | MDHM | MURIDALE SHORTHORNS | | | SCAC4 |
| 8 | MDHN | MDS TRANSPORT INC | | | SCAC4 |
| 9 | MDHO | MASADA HOLDINGS LTD | | | SCAC4 |
| 10 | MDHP | MEREDITH TRANSPORT INC | | | SCAC4 |
| 11 | MDHR | MDH RANCH INC | | | SCAC4 |
| 12 | MDHV | MD TRACTOR & TRAILER REPAIR SERVICE | | | SCAC4 |
