| 1 | NEMX | Covanta Montgomery Inc. | added 4/2003; eliminated 1/2004; 7/2005 (not listed) | | NAKINA |
| 2 | NEMX | Neman Tank Car Co. | 7/1930-7/1935 | | NAKINA |
| 3 | NEMX | Ogden Martin Systems of Montgomery | added 10/1996; 7/2000; eliminated 4/2003 | | NAKINA |
| 4 | NEMX | Ogden Martin Systems of Montgomery | added 10/96; 7/2000 | | NRHS |
| 5 | NEMX | *NEMAN TANK CAR CO. | | | PWRC |
| 6 | NEMX | +COVANTA MONTGOMERY INC. [OGDEN MARTIN SYSTEMS OF MONTGOMERY] | | | PWRC |
| 7 | NEMX | Ogden Martin Systems of Montgomery | | | RSRV |
| 8 | NEMX | COVANTA MONTGOMERY INC | | | SCAC4 |
