| 1 | MOX | MAINTENANCE OF WAY (WORK EQUIPMENT) | | | PWRC |
| 2 | MOXC | M O | | | SCAC4 |
| 3 | MOXF | MOSS TRANSPORTATION | | | SCAC4 |
| 4 | MOXL | MOTEX LOGISTICS LLC | | | SCAC4 |
| 5 | MOXN | METRO TRANSPORT | | | SCAC4 |
| 6 | MOXO | MOXIE TRANSPORT INC | | | SCAC4 |
| 7 | MOXP | MARRERO TRANSPORT LLC | | | SCAC4 |
| 8 | MOXR | MORRISON EXPRESS CORPORATION (U S A | | | SCAC4 |
| 9 | MOXV | Moxahala Valley Ry. Co. | added 10/1983; eliminated 10/1987 | | NAKINA |
| 10 | MOXV | Moxahala Valley Ry. Co. | added 10/83; eliminated 10/87 | | NRHS |
| 11 | MOXV | MOXAHALA VALLEY RAILWAY CO. | | | PWRC |
| 12 | MOXV | Moxahala Valley Railway | | | RSRV |
