ATMX
| U.S. Dept. of Energy Albuquerque Operations Office | 3 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BLE
| Bessemer & Lake Erie | 2 |
BNSF
| BNSF Railway | 3 |
DODX
| Department Of Defense | 1 |
GN
| Great Northern | 1 |
HTTX
| TTX Company | 2 |
KRL
| Kasgro Rail Lines | 2 |
MP
| Missouri Pacific | 1 |
MTTX
| TTX Company | 2 |
QTTX
| TTX Company | 1 |
TPDX
| TPDX | 3 |
UP
| Union Pacific Railroad Company | 1 |
WX
| WX | 1 |