ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 1 |
CANX
| CANAC International | 2 |
CN
| Canadian National Railways | 17 |
CNA
| Canadian National Railways | 7 |
CP
| Canadian Pacific Railway | 5 |
FTTX
| TTX Company | 3 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GTW
| Grand Trunk Western | 5 |
HTTX
| TTX Company | 1 |
IC
| Illinois Central | 2 |
ICE
| Iowa Chicago and Eastern | 2 |
ICG
| Illinois Central Gulf | 1 |
IPOX
| A and R Leasing, LLP | 2 |
KRL
| Kasgro Rail Lines | 8 |
KWUX
| Siemens Power Corporation | 3 |
OTTX
| TTX Company | 1 |
PTTX
| TTX Company | 3 |
QTTX
| TTX Company | 31 |
QUAX
| Redstreak, LLC | 2 |
RTTX
| TTX Company | 2 |
TTCX
| TTX Company | 1 |
TTTX
| TTX Company | 1 |
UP
| Union Pacific Railroad Company | 7 |
VSR
| Valley & Siletz RR | 1 |
WC
| Wisconsin Central | 1 |
WCTR
| WCTU Company White City Terminal Railway | 1 |
WPYR
| White Pass & Yukon Route | 1 |