| 1 | DTE | Tamas Darida Enterprise | Callsign: Darida-Air, | H | AVCODES |
| 2 | DTE | DRESSER TRANSPORTATION EQUIPMENT DIV. OF DRESSER INDUSTRIES | | | PWRC |
| 3 | DTEA | DUECK TRUCKING | | | SCAC4 |
| 4 | DTED | DIRECT TRANSPORTATION | | | SCAC4 |
| 5 | DTEE | D & T ENTERPRISES INC | | | SCAC4 |
| 6 | DTEH | DESTINY TRUCKING | | | SCAC4 |
| 7 | DTEI | DIRECT TRANSIT EXPRESS LLC | | | SCAC4 |
| 8 | DTEL | DETONADORES ESTRELLA S A DE C V | | | SCAC4 |
| 9 | DTEO | DOUBLE TROUBLE TRUCKING INC | | | SCAC4 |
| 10 | DTEP | DENANA TRANSPORT | | | SCAC4 |
| 11 | DTER | DATE TRUCKING LLC | | | SCAC4 |
| 12 | DTEW | DWIGHT TRUCKING INC | | | SCAC4 |
| 13 | DTEX | Dresser Transportation Equipment Division, Dresser Industries, Inc. (test cars) | 1/1994-7/2005 (not listed) | | NAKINA |
| 14 | DTEX | Dresser Transportation Equipment Division, Dresser Industries, Inc. | added 10/1969; 4/1970-1/1980; eliminated 1/1981 | | NAKINA |
| 15 | DTEX | Dresser Transportation Equipment Division, Dresser Industries, Inc. | added 10/69; 4/70-1/80; eliminated 1/81 | | NRHS |
| 16 | DTEX | Dresser Transportation Equipment Division, Dresser Industries, Inc. (test cars) | 1/94-7/2000 | | NRHS |
| 17 | DTEX | DRESSER TRANSPORTATION EQUIPMENT DIV. OF DRESSER INDUSTRIES (TEST CARS) | | | PWRC |
| 18 | DTEX | Dresser Transportation Equipment | | | RSRV |
| 19 | DTEX | DRESSER TRANSPORTATION EQUIPMENT DI | | | SCAC4 |
| 20 | DTEY | DOWD, TERRY INC | | | SCAC4 |
