| 1 | DRT | Aero Charter DARTA | Callsign: DARTA, Founded in 1971. Merged into AeroVision. | F | AVCODES |
| 2 | DRT | DARTA | Founded in 1971. | F | AVCODES |
| 3 | DRT | Darta | | | ICAO1 |
| 4 | DRT | DETROIT RIVER TUNNEL COMPANY | | | PWRC |
| 5 | DRT | Durham Regional Transit | | CDN | TRAFFIC |
| 6 | DRT | DRT Danubius Rail Transport Ltd. | | HU | VKM |
| 7 | DRTC | DMR TRUCK INC | | | SCAC4 |
| 8 | DRTD | DIRECT DISPATCH TRUCKING LLC | | | SCAC4 |
| 9 | DRTE | DERSTINE TRUCKING | | | SCAC4 |
| 10 | DRTJ | D R T LOGISTICS INC | | | SCAC4 |
| 11 | DRTK | D & R TRUCKING LLC | | | SCAC4 |
| 12 | DRTN | DEANS, R TRUCKING | | | SCAC4 |
| 13 | DRTQ | DARQ TRUCKING | | | SCAC4 |
| 14 | DRTS | D & R TRANSPORT ENTERPRISES | | | SCAC4 |
| 15 | DRTT | DART TRUCKING COMPANY INC | | | SCAC4 |
| 16 | DRTU | DART INTERMODAL, INC. | | | PWRC |
| 17 | DRTU | DART INTERMODAL INC. | | | PWRC |
| 18 | DRTU | Dart Intermodal | | | RSRV |
| 19 | DRTW | DRT INTERNATIONAL INC | | | SCAC4 |
| 20 | DRTY | DIXON, RANDY TRUCKING | | | SCAC4 |
| 21 | DRTZ | DART INTERMODAL, INC. | | | PWRC |
| 22 | DRTZ | Dart Intermodal | | | RSRV |
| 23 | DRTZ | DART INTERMODAL INC | | | SCAC4 |
