ALY
| Allegheny and Eastern Railroad Incorpora | 1 |
ATW
| Atlantic and Western | 1 |
BCOL
| Canadian National Railways | 4 |
BNSF
| BNSF Railway | 1 |
CN
| Canadian National Railways | 16 |
CNIS
| Canadian National Railways | 2 |
CP
| Canadian Pacific Railway | 19 |
DWC
| Canadian National Railways | 21 |
ESAX
| ESAX | 2 |
HPJX
| Helm-Pacific Leasing | 11 |
IC
| Illinois Central | 1 |
ICE
| Iowa Chicago and Eastern | 11 |
ICG
| Illinois Central Gulf | 6 |
KOR
| KOR | 1 |
LW
| Louisville and Wadley Railway Company | 6 |
MWNX
| MWNX | 1 |
NOKL
| Northwestern Oklahoma | 4 |
NSHR
| North Shore | 1 |
PEYX
| Transportation Technology Services Inc | 1 |
SBD
| Seaboard System | 1 |
SOO
| Soo Line | 5 |
SOU
| Southern | 3 |
TR
| Tomahawk Railway L.P. | 1 |
TTJX
| TTX Company-Bulkhead Flats | 4 |
TTPX
| TTX Company - Bulkhead Flats | 51 |
UP
| Union Pacific Railroad Company | 2 |
WC
| Wisconsin Central | 9 |
WCTR
| WCTU Company White City Terminal Railway | 4 |