BNSF
| BNSF Railway | 1 |
CR
| Conrail | 3 |
CSS
| Chicago South Shore And South Bend | 1 |
CSX
| CSX Railroad | 2 |
DODX
| Department Of Defense | 8 |
HTTX
| TTX Company | 2 |
ITTX
| TTX Company | 1 |
KRL
| Kasgro Rail Lines | 2 |
LMIC
| Lake Michigan & Indiana Railroad | 2 |
OTTX
| TTX Company | 6 |
PRR
| Pennsylvania Railroad | 1 |
PTTX
| TTX Company | 3 |
QUAX
| Redstreak, LLC | 1 |
TBCX
| Boeing Company | 2 |
TPDX
| TPDX | 4 |
UP
| Union Pacific Railroad Company | 1 |