BNSF
| BNSF Railway | 1 |
BTCX
| Browner Turnout Company | 13 |
CN
| Canadian National Railways | 16 |
CNA
| Canadian National Railways | 4 |
CP
| Canadian Pacific Railway | 19 |
DODX
| Department Of Defense | 11 |
FTTX
| TTX Company | 78 |
GBRX
| Greenbrier Leasing Corporation | 1 |
ITTX
| TTX Company | 25 |
JTTX
| TTX Company | 14 |
LMIC
| Lake Michigan & Indiana Railroad | 14 |
PTTX
| TTX Company | 7 |
SP
| Southern Pacific | 1 |
TTDX
| TTX Company - DOD Service Flats | 3 |
TTXX
| TTX Company | 10 |