| 1 | DTEX | Dresser Transportation Equipment Division, Dresser Industries, Inc. (test cars) | 1/1994-7/2005 (not listed) | | NAKINA |
| 2 | DTEX | Dresser Transportation Equipment Division, Dresser Industries, Inc. | added 10/1969; 4/1970-1/1980; eliminated 1/1981 | | NAKINA |
| 3 | DTEX | Dresser Transportation Equipment Division, Dresser Industries, Inc. | added 10/69; 4/70-1/80; eliminated 1/81 | | NRHS |
| 4 | DTEX | Dresser Transportation Equipment Division, Dresser Industries, Inc. (test cars) | 1/94-7/2000 | | NRHS |
| 5 | DTEX | DRESSER TRANSPORTATION EQUIPMENT DIV. OF DRESSER INDUSTRIES (TEST CARS) | | | PWRC |
| 6 | DTEX | Dresser Transportation Equipment | | | RSRV |
| 7 | DTEX | DRESSER TRANSPORTATION EQUIPMENT DI | | | SCAC4 |