| 1 | DRE | Michigan Airways, Inc. d/b/a Drummond Island Air | Callsign: Michigan, | USA | AVCODES |
| 2 | DRE | Drummond Island Air | | | ICAO1 |
| 3 | DRE | Deutsche Regionaleisenbahn GmbH | Schönefeld | D | privat-bahn.de |
| 4 | DRE | BURLINGTON NORTHERN [?] | | | PWRC |
| 5 | DRE | Deutsche Regional-Eisenbahn | | DE | VKM |
| 6 | DREAM | Dream Kanko Bus Co. | | J | TRAFFIC |
| 7 | DREC | DONALDS REFRACTORY REMOVAL SERVICE | | | SCAC4 |
| 8 | DRED | DAL-RUP EXPRESS INC | | | SCAC4 |
| 9 | DREE | D & R EXPRESS LLC | | | SCAC4 |
| 10 | DREG | D & R ENTERPRISES OF GENOA LLC | | | SCAC4 |
| 11 | DREK | DEERFIELD MOVING & STORAGE | | | SCAC4 |
| 12 | DRES | DEER RIDGE EQUESTRIAN | | | SCAC4 |
| 13 | DRES | Dresden, Lilliput Eisenbahn | | D | TRAFFIC |
| 14 | DRET | DRENNING TRUCKING LLC | | | SCAC4 |
| 15 | DREX | Protrade Transportation Services, Ltd. | added 4/2007 | | NAKINA |
| 16 | DREX | Wilmot Transportation & Logistics Ltd. | added 10/2003; 7/2005; eliminated 4/2007 | | NAKINA |
| 17 | DREX | ProTrade Steel Co., Ltd. | added 10/2001; eliminated 10/2003 | | NAKINA |
| 18 | DREX | Draper Egg Producers Association, Inc. (North American Car Corp.) | 7/1935 | | NAKINA |
| 19 | DREX | PROTRADE TRANSPORTATION SERVICES, LTD. (WILMOT TRANSPORTATION & LOGISTICS LTD.; PROTRADE STEEL CORP.) | | | PWRC |
| 20 | DREX | ProTrade Steel | | | RSRV |
| 21 | DREX | PROTRADE TRANSPORTATION SERVICES LT | | | SCAC4 |
| 22 | DREY | DREYER | | | SCAC4 |
