| 1 | DMD | R S T Aviation N.V. | Callsign: Sky Diamond, | B | AVCODES |
| 2 | DMD | Diamond Airways | Callsign: Diamond, | GB | AVCODES |
| 3 | DMD | Namdeb Diamond Corporation Namibia | Callsign: Diamondjet, | NAM | AVCODES |
| 4 | DMDA | DMD TRANSPORT LLC | | | SCAC4 |
| 5 | DMDB | D & M DISTRIBUTION SERVICES INC | | | SCAC4 |
| 6 | DMDD | DMD BROKERAGE LLC | | | SCAC4 |
| 7 | DMDE | DIAMOND E TRANSPORT LLC | | | SCAC4 |
| 8 | DMDH | DIAMOND TRUCKING INC | | | SCAC4 |
| 9 | DMDM | DELGADO MARCHENA, DANIEL AND MANUEL | | | SCAC4 |
| 10 | DMDN | DISTRIBUTION MARCEL DION INC | | | SCAC4 |
| 11 | DMDO | DIAMOND TRANSPORT | | | SCAC4 |
| 12 | DMDP | DIAMOND P TRUCKING INCORPORATED | | | SCAC4 |
| 13 | DMDQ | DIAMOND TRANSPORTATION LOGISTIC INC | | | SCAC4 |
| 14 | DMDU | DANNEBROG MARINE SERVICES AS | | | SCAC4 |
| 15 | DMDY | DAIRY MAID DAIRY CO INC | | | SCAC4 |
